Keithley 3706A Reference guide

Reference Manual

3700AS-901-01 Rev. D / July 2018

*P3700AS-901-01D*

3700AS-901-01D

tek.com/keithley

Series 3700A

System Switch/Multimeter

Series 3700A

System Switch/Multimeter

Reference Manual

Cleveland, Ohio, U.S.A.

Any unauthorized reproduction, photocopy, or use of the information herein, in whole or in part,

without the prior written approval of Keithley Instruments, LLC, is strictly prohibited.

These are the original instructions in English.

TSP®, TSP-Link®, and TSP-Net® are trademarks of Keithley Instruments, Inc. All Keithley

Instruments product names are trademarks or registered trademarks of Keithley Instruments, LLC.

Other brand names are trademarks or registered trademarks of their respective holders.

PUC-Rio. You can access terms of license for the Lua software and associated documentation at

the Lua licensing site (http://www.lua.org/license.html).

Microsoft, Visual C++, Excel, and Windows are either registered trademarks or trademarks of

Microsoft Corporation in the United States and/or other countries.

Document number: 3700AS-901-01D / June 2018

Safety precautions

The following safety precautions should be observed before using this product and any associated instrumentation. Although

some instruments and accessories would normally be used with nonhazardous voltages, there are situations where hazardous

conditions may be present.

This product is intended for use by personnel who recognize shock hazards and are familiar with the safety precautions required

to avoid possible injury. Read and follow all installation, operation, and maintenance information carefully before using the

product. Refer to the user documentation for complete product specifications.

If the product is used in a manner not specified, the protection provided by the product warranty may be impaired.

The types of product users are:

Responsible body is the individual or group responsible for the use and maintenance of equipment, for ensuring that the

equipment is operated within its specifications and operating limits, and for ensuring that operators are adequately trained.

Operators use the product for its intended function. They must be trained in electrical safety procedures and proper use of the

instrument. They must be protected from electric shock and contact with hazardous live circuits.

Maintenance personnel perform routine procedures on the product to keep it operating properly, for example, setting the line

voltage or replacing consumable materials. Maintenance procedures are described in the user documentation. The procedures

explicitly state if the operator may perform them. Otherwise, they should be performed only by service personnel.

Service personnel are trained to work on live circuits, perform safe installations, and repair products. Only properly trained

service personnel may perform installation and service procedures.

Keithley products are designed for use with electrical signals that are measurement, control, and data I/O connections, with low

transient overvoltages, and must not be directly connected to mains voltage or to voltage sources with high transient

overvoltages. Measurement Category II (as referenced in IEC 60664) connections require protection for high transient

overvoltages often associated with local AC mains connections. Certain Keithley measuring instruments may be connected to

mains. These instruments will be marked as category II or higher.

Unless explicitly allowed in the specifications, operating manual, and instrument labels, do not connect any instrument to mains.

Exercise extreme caution when a shock hazard is present. Lethal voltage may be present on cable connector jacks or test

fixtures. The American National Standards Institute (ANSI) states that a shock hazard exists when voltage levels greater than

30 V RMS, 42.4 V peak, or 60 VDC are present. A good safety practice is to expect that hazardous voltage is present in any

unknown circuit before measuring.

Operators of this product must be protected from electric shock at all times. The responsible body must ensure that operators

are prevented access and/or insulated from every connection point. In some cases, connections must be exposed to potential

human contact. Product operators in these circumstances must be trained to protect themselves from the risk of electric shock. If

the circuit is capable of operating at or above 1000 V, no conductive part of the circuit may be exposed.

Do not connect switching cards directly to unlimited power circuits. They are intended to be used with impedance-limited

sources. NEVER connect switching cards directly to AC mains. When connecting sources to switching cards, install protective

devices to limit fault current and voltage to the card.

Before operating an instrument, ensure that the line cord is connected to a properly-grounded power receptacle. Inspect the

connecting cables, test leads, and jumpers for possible wear, cracks, or breaks before each use.

When installing equipment where access to the main power cord is restricted, such as rack mounting, a separate main input

power disconnect device must be provided in close proximity to the equipment and within easy reach of the operator.

For maximum safety, do not touch the product, test cables, or any other instruments while power is applied to the circuit under

test. ALWAYS remove power from the entire test system and discharge any capacitors before: connecting or disconnecting

cables or jumpers, installing or removing switching cards, or making internal changes, such as installing or removing jumpers.

Do not touch any object that could provide a current path to the common side of the circuit under test or power line (earth)

ground. Always make measurements with dry hands while standing on a dry, insulated surface capable of withstanding the

voltage being measured.

For safety, instruments and accessories must be used in accordance with the operating instructions. If the instruments or

accessories are used in a manner not specified in the operating instructions, the protection provided by the equipment may be

impaired.

Do not exceed the maximum signal levels of the instruments and accessories. Maximum signal levels are defined in the

specifications and operating information and shown on the instrument panels, test fixture panels, and switching cards.

When fuses are used in a product, replace with the same type and rating for continued protection against fire hazard.

Chassis connections must only be used as shield connections for measuring circuits, NOT as protective earth (safety ground)

connections.

If you are using a test fixture, keep the lid closed while power is applied to the device under test. Safe operation requires the use

of a lid interlock.

If a screw is present, connect it to protective earth (safety ground) using the wire recommended in the user documentation.

The symbol on an instrument means caution, risk of hazard. The user must refer to the operating instructions located in the

user documentation in all cases where the symbol is marked on the instrument.

The symbol on an instrument means warning, risk of electric shock. Use standard safety precautions to avoid personal

contact with these voltages.

The symbol on an instrument shows that the surface may be hot. Avoid personal contact to prevent burns.

The symbol indicates a connection terminal to the equipment frame.

If this symbol is on a product, it indicates that mercury is present in the display lamp. Please note that the lamp must be

properly disposed of according to federal, state, and local laws.

The WARNING heading in the user documentation explains hazards that might result in personal injury or death. Always read

the associated information very carefully before performing the indicated procedure.

The CAUTION heading in the user documentation explains hazards that could damage the instrument. Such damage may

invalidate the warranty.

The CAUTION heading with the symbol in the user documentation explains hazards that could result in moderate or minor

injury or damage the instrument. Always read the associated information very carefully before performing the indicated

procedure. Damage to the instrument may invalidate the warranty.

Instrumentation and accessories shall not be connected to humans.

Before performing any maintenance, disconnect the line cord and all test cables.

To maintain protection from electric shock and fire, replacement components in mains circuits — including the power

transformer, test leads, and input jacks — must be purchased from Keithley. Standard fuses with applicable national safety

approvals may be used if the rating and type are the same. The detachable mains power cord provided with the instrument may

only be replaced with a similarly rated power cord. Other components that are not safety-related may be purchased from other

suppliers as long as they are equivalent to the original component (note that selected parts should be purchased only through

Keithley to maintain accuracy and functionality of the product). If you are unsure about the applicability of a replacement

component, call a Keithley office for information.

Unless otherwise noted in product-specific literature, Keithley instruments are designed to operate indoors only, in the following

environment: Altitude at or below 2,000 m (6,562 ft); temperature 0 °C to 50 °C (32 °F to 122 °F); and pollution degree 1 or 2.

To clean an instrument, use a cloth dampened with deionized water or mild, water-based cleaner. Clean the exterior of the

instrument only. Do not apply cleaner directly to the instrument or allow liquids to enter or spill on the instrument. Products that

consist of a circuit board with no case or chassis (e.g., a data acquisition board for installation into a computer) should never

require cleaning if handled according to instructions. If the board becomes contaminated and operation is affected, the board

should be returned to the factory for proper cleaning/servicing.

Safety precaution revision as of June 2017.

Introduction ................................................................................................................. 1-1

Welcome .............................................................................................................................. 1-1

Extended warranty ............................................................................................................... 1-1

Contact information .............................................................................................................. 1-1

Product documentation, drivers, and software .................................................................... 1-2

Organization of manual sections .......................................................................................... 1-2

Capabilities and features ..................................................................................................... 1-3

Measuring capabilities ............................................................................................................... 1-4

Displaying the instrument's serial number ................................................................................. 1-4

Installation ................................................................................................................... 2-1

Dimensions .......................................................................................................................... 2-1

Weight .................................................................................................................................. 2-3

Rack-mounting instructions .................................................................................................. 2-3

Tools required ........................................................................................................................... 2-3

Parts list .................................................................................................................................... 2-3

Prepare the Series 3700A for rack-mount installation ............................................................... 2-4

Prepare the rack for Series 3700A installation .......................................................................... 2-4

Install the Series 3700A ............................................................................................................ 2-5

Remote communications interfaces ..................................................................................... 2-6

Supported remote interfaces ..................................................................................................... 2-6

USB communications ................................................................................................................ 2-6

GPIB setup .............................................................................................................................. 2-11

LAN communications .............................................................................................................. 2-16

Supplied software .................................................................................................................... 2-18

Keithley I/O layer ..................................................................................................................... 2-21

Addressing instruments with VISA .......................................................................................... 2-25

Digital I/O ........................................................................................................................... 2-28

Port configuration .................................................................................................................... 2-29

Digital I/O configuration ........................................................................................................... 2-30

Controlling digital I/O lines....................................................................................................... 2-30

TSP-Link trigger lines .............................................................................................................. 2-32

Starting up your instrument ................................................................................................ 2-33

Procedure................................................................................................................................ 2-33

Instrument description ............................................................................................... 3-1

Front panel operation ........................................................................................................... 3-1

(1) The USB port ....................................................................................................................... 3-2

(2) The display .......................................................................................................................... 3-2

(3) The navigation wheel ........................................................................................................... 3-4

(4) The POWER key ................................................................................................................. 3-4

(5) The status lights ................................................................................................................... 3-5

(6) The setup and control keys .................................................................................................. 3-5

Menu overview .......................................................................................................................... 3-8

Menu trees ................................................................................................................................ 3-8

Table of contents

Table of contents  Series 3700A System Switch/Multimeter Reference Manual 
 
 
Front-panel key menu options ................................................................................................. 3-13 
Configuration menu options .................................................................................................... 3-15 
Using the front panel with non-switch channels ...................................................................... 3-22 
Rear panel summary .......................................................................................................... 3-24 
Rear panel connection details ................................................................................................. 3-24 
Saved setups ..................................................................................................................... 3-30 
Saving user setups .................................................................................................................. 3-31 
Recalling a saved setup .......................................................................................................... 3-31 
Start-up configuration .............................................................................................................. 3-31 
Saving user setups from a remote interface ............................................................................ 3-32 
Save the present configuration .......................................................................................... 3-33 
Create a configuration script ................................................................................................... 3-35 
Running the configuration script .............................................................................................. 3-35 
Using the web interface ...................................................................................................... 3-36 
Connect to the instrument web interface ................................................................................. 3-36 
Web interface home page ....................................................................................................... 3-36 
Identify the instrument ............................................................................................................. 3-36 
Log in to the instrument ........................................................................................................... 3-37 
Card pages .............................................................................................................................. 3-37 
Scan Builder page ................................................................................................................... 3-42 
DMM web page ....................................................................................................................... 3-47 
TSB Embedded ....................................................................................................................... 3-48 
Unit page ................................................................................................................................. 3-49 
Admin page ............................................................................................................................. 3-50 
LXI page .................................................................................................................................. 3-50 
 Basic DMM operation ................................................................................................. 4-1 
DMM measurement capabilities ........................................................................................... 4-1 
High-energy circuit safety precautions ................................................................................. 4-2 
Power circuit test procedure ...................................................................................................... 4-2 
Performance considerations ................................................................................................ 4-2 
Warmup time ............................................................................................................................. 4-2 
Autozero .................................................................................................................................... 4-3 
Line cycle synchronization ........................................................................................................ 4-4 
Auto Delay................................................................................................................................. 4-4 
Measure count .......................................................................................................................... 4-5 
Change the display resolution ................................................................................................... 4-6 
System considerations ......................................................................................................... 4-6 
Relationship between DMM functions and attributes ................................................................ 4-6 
Relationship between front panel settings and remote commands ........................................... 4-7 
Save DMM configurations ......................................................................................................... 4-7 
Open and close relay operation ................................................................................................ 4-8 
Voltage measurements (DC volts and AC volts) ................................................................. 4-9 
Settings available for voltage measurements .......................................................................... 4-10 
Autodelay and autorange settings ........................................................................................... 4-11 
Voltage measurement connections ......................................................................................... 4-11 
Voltage measurement procedure from the front panel ............................................................ 4-12 
Voltage measurement procedure remote commands ............................................................. 4-13 
Current measurements (DC current and AC current) ........................................................ 4-14 
Settings available for current measurements .......................................................................... 4-14 
Autodelay and autorange settings ........................................................................................... 4-15 
Current measurement connections ......................................................................................... 4-15 
Current measurement procedure from the front panel ............................................................ 4-15 

Series 3700A System Switch/Multimeter Reference Manual  Table of contents 
 
 
Current measurement procedure through remote commands ................................................. 4-16 
Resistance measurements ................................................................................................ 4-16 
DMM resistance measurement methods ................................................................................. 4-16 
Settings available for resistance measurements ..................................................................... 4-17 
Autodelay and autorange settings ........................................................................................... 4-18 
Resistance measurement connections ................................................................................... 4-18 
Resistance measurements from the front panel ...................................................................... 4-21 
Resistance measurements through remote interface .............................................................. 4-22 
Temperature measurements .............................................................................................. 4-22 
Settings available for temperature measurements .................................................................. 4-22 
Autodelay and autorange settings ........................................................................................... 4-24 
Thermocouples ....................................................................................................................... 4-24 
Thermistors ............................................................................................................................. 4-27 
RTDs (Resistance Temperature Detectors) ............................................................................ 4-29 
Temperature equations ........................................................................................................... 4-33 
Frequency and period measurements ............................................................................... 4-41 
Settings available for frequency and period measurements .................................................... 4-42 
Autodelay and autorange settings ........................................................................................... 4-42 
Trigger level ............................................................................................................................ 4-42 
Gate time................................................................................................................................. 4-43 
Frequency connections ........................................................................................................... 4-43 
Frequency and period measurement procedure from front panel ........................................... 4-43 
Frequency and period measurement procedure through remote interface ............................. 4-44 
Continuity testing ................................................................................................................ 4-44 
Settings available for continuity testing ................................................................................... 4-45 
Autodelay and autorange settings ........................................................................................... 4-45 
Continuity testing connections ................................................................................................. 4-45 
Continuity testing procedure.................................................................................................... 4-46 
Refining measurements ..................................................................................................... 4-47 
Relative offset ......................................................................................................................... 4-47 
Math calculations .................................................................................................................... 4-49 
dB commands ......................................................................................................................... 4-54 
Range ..................................................................................................................................... 4-55 
Optimizing measurement speed .............................................................................................. 4-57 
Optimizing AC voltage and current measurements ................................................................. 4-60 
Optimizing measurement accuracy ......................................................................................... 4-61 
 Switching and scanning ............................................................................................. 5-1 
Identify installed switching cards ............................................................................................... 5-1 
Maximum power usage with Series 3700A cards ...................................................................... 5-2 
Specifying a channel ................................................................................................................. 5-3 
Close and open channel operations and commands ................................................................ 5-5 
Working with channels ....................................................................................................... 5-13 
Connection methods for close operations ............................................................................... 5-13 
Determining the number of relay closures ............................................................................... 5-16 
Viewing the close or open status of a channel ........................................................................ 5-16 
Channel attributes ................................................................................................................... 5-17 
Channel patterns ..................................................................................................................... 5-19 
Reset a channel ...................................................................................................................... 5-22 
Pseudocards ...................................................................................................................... 5-22 
Pseudocards programming example ....................................................................................... 5-23 
Scanning and triggering ..................................................................................................... 5-23 
Trigger model .......................................................................................................................... 5-24 
Scan and step counts .............................................................................................................. 5-25 

Table of contents  Series 3700A System Switch/Multimeter Reference Manual 
 
 
Basic scan procedure .............................................................................................................. 5-26 
Remote interface scanning ..................................................................................................... 5-30 
Hardware trigger modes .......................................................................................................... 5-31 
Understanding synchronous triggering modes ........................................................................ 5-35 
Events ..................................................................................................................................... 5-39 
LXI Class B and C triggering (IEEE-1588) .............................................................................. 5-40 
 Reading buffers ........................................................................................................... 6-1 
Reading buffers .................................................................................................................... 6-1 
Buffer overview ......................................................................................................................... 6-1 
Front-panel buffer operation ...................................................................................................... 6-2 
Remote buffer operation ........................................................................................................... 6-6 
 Maintenance ................................................................................................................ 7-1 
Introduction .......................................................................................................................... 7-1 
Fuse replacement ................................................................................................................ 7-1 
AMPS analog backplane fuse replacement ......................................................................... 7-2 
Front panel tests .................................................................................................................. 7-3 
Test procedure .......................................................................................................................... 7-3 
Keys test ................................................................................................................................... 7-3 
Display patterns test .................................................................................................................. 7-4 
Displaying the instrument's serial number ........................................................................... 7-4 
Upgrading the firmware ........................................................................................................ 7-5 
Upgrading or downgrading firmware using the front panel ........................................................ 7-5 
Upgrading or downgrading using the remote interface .............................................................. 7-6 
Upgrading or downgrading firmware using the web interface.................................................... 7-6 
Upgrading or downgrading firmware using Test Script Builder .................................................. 7-7 
 Theory of operation .................................................................................................... 8-1 
Rear panel, backplane, and DMM connect relays schematic .............................................. 8-1 
Line cycle synchronization ................................................................................................... 8-2 
AC voltage measurements and crest factor ......................................................................... 8-5 
DMM resistance measurement methods ............................................................................. 8-7 
Constant-current source method ............................................................................................... 8-8 
Ratiometric method ................................................................................................................... 8-9 
Reference junctions ........................................................................................................... 8-11 
Simulated reference junction ................................................................................................... 8-12 
Internal reference junction ....................................................................................................... 8-12 
External reference junction ..................................................................................................... 8-12 
Open lead detection ........................................................................................................... 8-13 
ISOUR open voltage ............................................................................................................... 8-15 
VMEAS open voltage .............................................................................................................. 8-15 
Calculated measurement open voltage ................................................................................... 8-15 
dmm.opendetector open voltage ............................................................................................. 8-16 
4-wire dry-circuit open lead detection ...................................................................................... 8-17 
Open thermocouple detection ............................................................................................ 8-18 
Accuracy calculations ......................................................................................................... 8-20 
Calculating DC characteristics accuracy ................................................................................. 8-20 

Series 3700A System Switch/Multimeter Reference Manual  Table of contents 
 
 
Calculating AC characteristics accuracy ................................................................................. 8-20 
Calculating dB characteristics accuracy .................................................................................. 8-21 
Additional derating factors ....................................................................................................... 8-21 
Understanding Precision Time Protocol (PTP) .................................................................. 8-22 
 Introduction to TSP operation ................................................................................... 9-1 
Introduction to TSP operation .............................................................................................. 9-1 
Controlling the instrument by sending individual command messages ..................................... 9-1 
Queries ..................................................................................................................................... 9-2 
Data retrieval commands .......................................................................................................... 9-3 
Information on scripting and programming ................................................................................ 9-4 
Files .......................................................................................................................................... 9-4 
Display operations ................................................................................................................... 9-10 
About TSP commands ....................................................................................................... 9-21 
Alarms ..................................................................................................................................... 9-21 
Bit manipulation and logic operations ...................................................................................... 9-21 
Channel ................................................................................................................................... 9-23 
Data queue.............................................................................................................................. 9-24 
Digital I/O ................................................................................................................................ 9-24 
Display .................................................................................................................................... 9-25 
DMM ....................................................................................................................................... 9-25 
Error queue ............................................................................................................................. 9-26 
Event log ................................................................................................................................. 9-27 
File I/O .................................................................................................................................... 9-27 
GPIB ....................................................................................................................................... 9-28 
Instrument identification .......................................................................................................... 9-28 
LAN and LXI ............................................................................................................................ 9-29 
Local node............................................................................................................................... 9-30 
PTP ......................................................................................................................................... 9-30 
Reading buffer ......................................................................................................................... 9-31 
Reset ....................................................................................................................................... 9-31 
Queries and response messages ............................................................................................ 9-31 
Saved setups .......................................................................................................................... 9-32 
Scan ........................................................................................................................................ 9-32 
Scripting .................................................................................................................................. 9-33 
Status model ........................................................................................................................... 9-33 
Slot .......................................................................................................................................... 9-34 
Time ........................................................................................................................................ 9-34 
Top level instrument controls .................................................................................................. 9-35 
Triggering ................................................................................................................................ 9-36 
TSP-Link ................................................................................................................................. 9-37 
TSP-Net .................................................................................................................................. 9-37 
Userstrings .............................................................................................................................. 9-38 
 Instrument programming ......................................................................................... 10-1 
Fundamentals of scripting for TSP ..................................................................................... 10-1 
What is a script? ...................................................................................................................... 10-2 
Run-time and nonvolatile memory storage of scripts .............................................................. 10-2 
What can be included in scripts? ............................................................................................. 10-2 
Commands that cannot be used in scripts .............................................................................. 10-3 
Manage scripts ........................................................................................................................ 10-3 
Working with scripts in nonvolatile memory............................................................................. 10-9 
Run a user script from the instrument front panel ................................................................. 10-11 
Load a script from the instrument front panel ........................................................................ 10-12 
Save a script from the instrument front panel ........................................................................ 10-13 
Interactive script .................................................................................................................... 10-14 

Table of contents  Series 3700A System Switch/Multimeter Reference Manual 
 
 
Fundamentals of programming for TSP ........................................................................... 10-15 
Introduction ........................................................................................................................... 10-15 
What is Lua? ......................................................................................................................... 10-15 
Lua basics ............................................................................................................................. 10-15 
Standard libraries .................................................................................................................. 10-29 
Programming example: Script with a for loop ........................................................................ 10-33 
Using Test Script Builder (TSB) ....................................................................................... 10-33 
Installing the TSB software.................................................................................................... 10-35 
Installing the TSB add-in ....................................................................................................... 10-35 
Using Test Script Builder (TSB) ............................................................................................ 10-35 
Project navigator ................................................................................................................... 10-37 
Script editor ........................................................................................................................... 10-37 
Outline view ........................................................................................................................... 10-37 
Programming interaction ....................................................................................................... 10-37 
Connecting an instrument in TSB .......................................................................................... 10-38 
Creating a new TSP project .................................................................................................. 10-39 
Adding a new TSP file to a project ........................................................................................ 10-39 
Running a script .................................................................................................................... 10-40 
Creating a run configuration .................................................................................................. 10-40 
Advanced scripting for TSP ............................................................................................. 10-44 
Global variables and the script.user.scripts table .................................................................. 10-44 
Create a script using the script.new() command ................................................................... 10-45 
Restore a script to the run-time environment ........................................................................ 10-48 
Rename a script .................................................................................................................... 10-48 
Delete user scripts from the instrument ................................................................................. 10-49 
Memory considerations for the run-time environment ........................................................... 10-50 
TSP-Link system expansion interface .............................................................................. 10-52 
Master and subordinates ....................................................................................................... 10-52 
TSP-Link system ................................................................................................................... 10-53 
TSP-Link nodes ..................................................................................................................... 10-53 
Connections ..................................................................................................................... 10-54 
Initialization ...................................................................................................................... 10-54 
Assigning node numbers ....................................................................................................... 10-54 
Resetting the TSP-Link network ...................................................................................... 10-55 
Front-panel operation ............................................................................................................ 10-55 
Remote programming ........................................................................................................... 10-55 
Using the expanded system ............................................................................................. 10-56 
Accessing nodes ................................................................................................................... 10-56 
Using the reset() command ................................................................................................... 10-57 
Using the abort command ..................................................................................................... 10-57 
Triggering with TSP-Link ....................................................................................................... 10-57 
TSP advanced features.................................................................................................... 10-58 
Using groups to manage nodes on TSP-Link network .................................................... 10-58 
Master node overview ........................................................................................................... 10-59 
Group leader overview .......................................................................................................... 10-59 
Assigning groups ................................................................................................................... 10-59 
Running simultaneous test scripts ................................................................................... 10-59 
Coordinating overlapped operations in remote groups .......................................................... 10-60 
Using the data queue for real-time communication ......................................................... 10-61 
Copying test scripts across the TSP-Link network .......................................................... 10-61 
Removing stale values from the reading buffer cache ..................................................... 10-61 

Series 3700A System Switch/Multimeter Reference Manual  Table of contents 
 
 
TSP-Net ........................................................................................................................... 10-62 
TSP-Net capabilities .............................................................................................................. 10-62 
Using TSP-Net with any ethernet-enabled device ................................................................. 10-63 
Using TSP-Net with any ethernet-enabled instrument .......................................................... 10-64 
TSP-Net compared to TSP-Link to communicate with TSP-enabled devices ....................... 10-66 
TSP-Net instrument commands: General device control ...................................................... 10-67 
TSP-Net instrument commands: TSP-enabled device control .............................................. 10-67 
Example: Using tspnet commands ........................................................................................ 10-68 
 TSP command reference .......................................................................................... 11-1 
Command programming notes .......................................................................................... 11-1 
Placeholder text ...................................................................................................................... 11-1 
Syntax rules ............................................................................................................................ 11-2 
Using channel.*() commands .................................................................................................. 11-2 
Time and date values .............................................................................................................. 11-4 
Using the TSP command reference ................................................................................... 11-4 
Command name and standard parameters summary ............................................................. 11-5 
Command usage ..................................................................................................................... 11-6 
Command details .................................................................................................................... 11-7 
Example section ...................................................................................................................... 11-7 
Related commands and information ........................................................................................ 11-7 
TSP commands .................................................................................................................. 11-8 
beeper.beep() .......................................................................................................................... 11-8 
beeper.enable ......................................................................................................................... 11-8 
bit.bitand() ............................................................................................................................... 11-9 
bit.bitor() .................................................................................................................................. 11-9 
bit.bitxor() .............................................................................................................................. 11-10 
bit.clear() ............................................................................................................................... 11-11 
bit.get() .................................................................................................................................. 11-11 
bit.getfield() ........................................................................................................................... 11-12 
bit.set() .................................................................................................................................. 11-13 
bit.setfield() ............................................................................................................................ 11-14 
bit.test() ................................................................................................................................. 11-15 
bit.toggle() ............................................................................................................................. 11-15 
bufferVar.appendmode ......................................................................................................... 11-16 
bufferVar.basetimefractional ................................................................................................. 11-17 
bufferVar.basetimeseconds................................................................................................... 11-18 
bufferVar.cachemode ............................................................................................................ 11-19 
bufferVar.capacity ................................................................................................................. 11-19 
bufferVar.channels ................................................................................................................ 11-20 
bufferVar.clear() .................................................................................................................... 11-21 
bufferVar.clearcache() ........................................................................................................... 11-22 
bufferVar.collectchannels ...................................................................................................... 11-23 
bufferVar.collecttimestamps .................................................................................................. 11-24 
bufferVar.dates ...................................................................................................................... 11-25 
bufferVar.formattedreadings.................................................................................................. 11-26 
bufferVar.fractionalseconds................................................................................................... 11-27 
bufferVar.n ............................................................................................................................ 11-28 
bufferVar.ptpseconds ............................................................................................................ 11-28 
bufferVar.readings ................................................................................................................. 11-29 
bufferVar.relativetimestamps ................................................................................................. 11-31 
bufferVar.seconds ................................................................................................................. 11-32 
bufferVar.statuses ................................................................................................................. 11-33 
bufferVar.times ...................................................................................................................... 11-34 
bufferVar.timestampresolution .............................................................................................. 11-35 
bufferVar.timestamps ............................................................................................................ 11-36 
bufferVar.units ....................................................................................................................... 11-37 

Table of contents  Series 3700A System Switch/Multimeter Reference Manual 
 
 
channel.calibration.adjustcount() ........................................................................................... 11-38 
channel.calibration.adjustdate() ............................................................................................ 11-38 
channel.calibration.lock() ...................................................................................................... 11-40 
channel.calibration.password() .............................................................................................. 11-40 
channel.calibration.save() ..................................................................................................... 11-41 
channel.calibration.step() ...................................................................................................... 11-42 
channel.calibration.unlock()................................................................................................... 11-44 
channel.calibration.verifydate() ............................................................................................. 11-45 
channel.clearforbidden() ....................................................................................................... 11-46 
channel.close() ...................................................................................................................... 11-46 
channel.connectrule .............................................................................................................. 11-48 
channel.connectsequential .................................................................................................... 11-50 
channel.createspecifier() ....................................................................................................... 11-51 
channel.exclusiveclose() ....................................................................................................... 11-52 
channel.exclusiveslotclose() .................................................................................................. 11-54 
channel.getbackplane() ......................................................................................................... 11-55 
channel.getclose() ................................................................................................................. 11-58 
channel.getcount() ................................................................................................................ 11-59 
channel.getdelay() ................................................................................................................. 11-61 
channel.getforbidden() .......................................................................................................... 11-62 
channel.getimage() ............................................................................................................... 11-63 
channel.getlabel() .................................................................................................................. 11-64 
channel.getmatch() ............................................................................................................... 11-65 
channel.getmatchtype() ......................................................................................................... 11-66 
channel.getmode() ................................................................................................................ 11-67 
channel.getoutputenable() .................................................................................................... 11-69 
channel.getpole() .................................................................................................................. 11-70 
channel.getpowerstate() ........................................................................................................ 11-71 
channel.getstate() ................................................................................................................. 11-72 
channel.getstatelatch() .......................................................................................................... 11-74 
channel.gettype() .................................................................................................................. 11-75 
channel.open() ...................................................................................................................... 11-76 
channel.pattern.catalog() ...................................................................................................... 11-77 
channel.pattern.delete() ........................................................................................................ 11-78 
channel.pattern.getimage() ................................................................................................... 11-78 
channel.pattern.setimage() ................................................................................................... 11-79 
channel.pattern.snapshot() ................................................................................................... 11-82 
channel.read() ....................................................................................................................... 11-83 
channel.reset() ...................................................................................................................... 11-84 
channel.resetstatelatch() ....................................................................................................... 11-86 
channel.setbackplane() ......................................................................................................... 11-87 
channel.setdelay() ................................................................................................................. 11-89 
channel.setforbidden() .......................................................................................................... 11-90 
channel.setlabel() .................................................................................................................. 11-91 
channel.setmatch() ................................................................................................................ 11-92 
channel.setmatchtype() ......................................................................................................... 11-93 
channel.setmode() ................................................................................................................ 11-94 
channel.setoutputenable() ..................................................................................................... 11-95 
channel.setpole() ................................................................................................................... 11-96 
channel.setpowerstate() ........................................................................................................ 11-99 
channel.setstatelatch() ........................................................................................................ 11-100 
channel.trigger[N].clear() ..................................................................................................... 11-101 
channel.trigger[N].EVENT_ID ............................................................................................. 11-101 
channel.trigger[N].get() ....................................................................................................... 11-102 
channel.trigger[N].set() ........................................................................................................ 11-103 
channel.trigger[N].wait() ...................................................................................................... 11-104 
channel.write() ..................................................................................................................... 11-105 
comm.gpib.enable ............................................................................................................... 11-106 
comm.lan.enable ................................................................................................................. 11-106 
comm.lan.rawsockets.enable .............................................................................................. 11-107 
comm.lan.telnet.enable ....................................................................................................... 11-107 

Series 3700A System Switch/Multimeter Reference Manual  Table of contents 
 
 
comm.lan.vxi11.enable ....................................................................................................... 11-108 
comm.lan.web.enable ......................................................................................................... 11-109 
createconfigscript() .............................................................................................................. 11-110 
dataqueue.add() .................................................................................................................. 11-110 
dataqueue.CAPACITY ........................................................................................................ 11-111 
dataqueue.clear() ................................................................................................................ 11-112 
dataqueue.count ................................................................................................................. 11-113 
dataqueue.next() ................................................................................................................. 11-114 
delay() ................................................................................................................................. 11-115 
digio.readbit() ...................................................................................................................... 11-115 
digio.readport() .................................................................................................................... 11-116 
digio.trigger[N].assert() ........................................................................................................ 11-116 
digio.trigger[N].clear() .......................................................................................................... 11-117 
digio.trigger[N].EVENT_ID .................................................................................................. 11-117 
digio.trigger[N].mode ........................................................................................................... 11-118 
digio.trigger[N].overrun ........................................................................................................ 11-119 
digio.trigger[N].pulsewidth ................................................................................................... 11-120 
digio.trigger[N].release() ...................................................................................................... 11-121 
digio.trigger[N].reset() ......................................................................................................... 11-121 
digio.trigger[N].stimulus ....................................................................................................... 11-122 
digio.trigger[N].wait() ........................................................................................................... 11-124 
digio.writebit() ...................................................................................................................... 11-124 
digio.writeport() ................................................................................................................... 11-125 
digio.writeprotect ................................................................................................................. 11-126 
display.clear() ...................................................................................................................... 11-126 
display.getannunciators() .................................................................................................... 11-127 
display.getcursor() ............................................................................................................... 11-128 
display.getlastkey() ............................................................................................................. 11-129 
display.gettext() ................................................................................................................... 11-130 
display.inputvalue() ............................................................................................................. 11-131 
display.loadmenu.add() ....................................................................................................... 11-133 
display.loadmenu.catalog() ................................................................................................. 11-134 
display.loadmenu.delete() ................................................................................................... 11-135 
display.locallockout ............................................................................................................. 11-135 
display.menu() ..................................................................................................................... 11-136 
display.prompt() .................................................................................................................. 11-137 
display.screen ..................................................................................................................... 11-138 
display.sendkey() ................................................................................................................ 11-139 
display.setcursor() ............................................................................................................... 11-140 
display.settext() ................................................................................................................... 11-141 
display.trigger.EVENT_ID ................................................................................................... 11-142 
display.waitkey() .................................................................................................................. 11-142 
dmm.adjustment.count ........................................................................................................ 11-144 
dmm.adjustment.date .......................................................................................................... 11-144 
dmm.aperture ...................................................................................................................... 11-145 
dmm.appendbuffer() ............................................................................................................ 11-146 
dmm.autodelay .................................................................................................................... 11-148 
dmm.autorange ................................................................................................................... 11-149 
dmm.autozero ..................................................................................................................... 11-150 
dmm.buffer.catalog() ........................................................................................................... 11-152 
dmm.buffer.info() ................................................................................................................. 11-153 
dmm.buffer.maxcapacity ..................................................................................................... 11-154 
dmm.buffer.usedcapacity .................................................................................................... 11-154 
dmm.calibration.ac() ............................................................................................................ 11-155 
dmm.calibration.dc() ............................................................................................................ 11-156 
dmm.calibration.lock() ......................................................................................................... 11-156 
dmm.calibration.password................................................................................................... 11-157 
dmm.calibration.save() ........................................................................................................ 11-157 
dmm.calibration.unlock() ..................................................................................................... 11-158 
dmm.calibration.verifydate .................................................................................................. 11-159 
dmm.close() ........................................................................................................................ 11-160 

Table of contents  Series 3700A System Switch/Multimeter Reference Manual 
 
 
dmm.configure.catalog() ..................................................................................................... 11-161 
dmm.configure.delete() ....................................................................................................... 11-162 
dmm.configure.query() ........................................................................................................ 11-163 
dmm.configure.recall() ........................................................................................................ 11-165 
dmm.configure.set() ............................................................................................................ 11-166 
dmm.connect ....................................................................................................................... 11-168 
dmm.dbreference ................................................................................................................ 11-170 
dmm.detectorbandwidth ...................................................................................................... 11-171 
dmm.displaydigits ................................................................................................................ 11-172 
dmm.drycircuit ..................................................................................................................... 11-173 
dmm.filter.count ................................................................................................................... 11-174 
dmm.filter.enable ................................................................................................................. 11-175 
dmm.filter.type ..................................................................................................................... 11-176 
dmm.filter.window ............................................................................................................... 11-177 
dmm.fourrtd ......................................................................................................................... 11-178 
dmm.func ............................................................................................................................ 11-179 
dmm.getconfig() .................................................................................................................. 11-181 
dmm.inputdivider ................................................................................................................. 11-182 
dmm.limit[Y].autoclear ......................................................................................................... 11-183 
dmm.limit[Y].clear() ............................................................................................................. 11-184 
dmm.limit[Y].enable ............................................................................................................. 11-184 
dmm.limit[Y].high.fail ........................................................................................................... 11-187 
dmm.limit[Y].high.value ....................................................................................................... 11-189 
dmm.limit[Y].low.fail ............................................................................................................ 11-191 
dmm.limit[Y].low.value ........................................................................................................ 11-193 
dmm.linesync ...................................................................................................................... 11-195 
dmm.makebuffer() ............................................................................................................... 11-196 
dmm.math.enable ............................................................................................................... 11-198 
dmm.math.format ................................................................................................................ 11-200 
dmm.math.mxb.bfactor ....................................................................................................... 11-201 
dmm.math.mxb.mfactor ...................................................................................................... 11-202 
dmm.math.mxb.units ........................................................................................................... 11-203 
dmm.math.percent .............................................................................................................. 11-203 
dmm.measure() ................................................................................................................... 11-205 
dmm.measurecount ............................................................................................................ 11-206 
dmm.measurewithtime() ...................................................................................................... 11-207 
dmm.measurewithptp() ....................................................................................................... 11-208 
dmm.nplc............................................................................................................................. 11-209 
dmm.offsetcompensation .................................................................................................... 11-210 
dmm.open() ......................................................................................................................... 11-211 
dmm.opendetector .............................................................................................................. 11-213 
dmm.range .......................................................................................................................... 11-214 
dmm.refjunction ................................................................................................................... 11-215 
dmm.rel.acquire() ................................................................................................................ 11-216 
dmm.rel.enable ................................................................................................................... 11-217 
dmm.rel.level ....................................................................................................................... 11-218 
dmm.reset() ......................................................................................................................... 11-219 
dmm.rtdalpha ...................................................................................................................... 11-220 
dmm.rtdbeta ........................................................................................................................ 11-221 
dmm.rtddelta ....................................................................................................................... 11-222 
dmm.rtdzero ........................................................................................................................ 11-224 
dmm.savebuffer() ................................................................................................................ 11-225 
dmm.setconfig() .................................................................................................................. 11-227 
dmm.simreftemperature ...................................................................................................... 11-228 
dmm.thermistor ................................................................................................................... 11-229 
dmm.thermocouple ............................................................................................................. 11-230 
dmm.threertd ....................................................................................................................... 11-231 
dmm.threshold .................................................................................................................... 11-232 
dmm.transducer .................................................................................................................. 11-233 
dmm.units............................................................................................................................ 11-234 
errorqueue.clear() ............................................................................................................... 11-235 

Series 3700A System Switch/Multimeter Reference Manual  Table of contents 
 
 
errorqueue.count ................................................................................................................. 11-235 
errorqueue.next() ................................................................................................................ 11-236 
eventlog.all() ........................................................................................................................ 11-237 
eventlog.clear() ................................................................................................................... 11-238 
eventlog.count ..................................................................................................................... 11-238 
eventlog.enable ................................................................................................................... 11-239 
eventlog.next() .................................................................................................................... 11-240 
eventlog.overwritemethod ................................................................................................... 11-241 
exit() .................................................................................................................................... 11-241 
fileVar:close() ...................................................................................................................... 11-242 
fileVar:flush() ....................................................................................................................... 11-242 
fileVar:read() ....................................................................................................................... 11-243 
fileVar:seek() ....................................................................................................................... 11-244 
fileVar:write() ....................................................................................................................... 11-245 
format.asciiprecision ........................................................................................................... 11-245 
format.byteorder .................................................................................................................. 11-246 
format.data .......................................................................................................................... 11-247 
fs.chdir() .............................................................................................................................. 11-248 
fs.cwd() ............................................................................................................................... 11-249 
fs.is_dir() ............................................................................................................................. 11-249 
fs.is_file() ............................................................................................................................. 11-249 
fs.mkdir() ............................................................................................................................. 11-250 
fs.readdir() ........................................................................................................................... 11-250 
fs.rmdir() .............................................................................................................................. 11-251 
gettimezone() ...................................................................................................................... 11-251 
gpib.address ........................................................................................................................ 11-252 
io.close().............................................................................................................................. 11-253 
io.flush() .............................................................................................................................. 11-253 
io.input() .............................................................................................................................. 11-254 
io.open() .............................................................................................................................. 11-255 
io.output() ............................................................................................................................ 11-255 
io.read() ............................................................................................................................... 11-256 
io.type() ............................................................................................................................... 11-257 
io.write() .............................................................................................................................. 11-257 
lan.applysettings() ............................................................................................................... 11-258 
lan.config.dns.address[N] .................................................................................................... 11-258 
lan.config.dns.domain ......................................................................................................... 11-259 
lan.config.dns.dynamic ........................................................................................................ 11-260 
lan.config.dns.hostname ..................................................................................................... 11-260 
lan.config.dns.verify ............................................................................................................ 11-261 
lan.config.gateway .............................................................................................................. 11-262 
lan.config.ipaddress ............................................................................................................ 11-262 
lan.config.method ................................................................................................................ 11-263 
lan.config.subnetmask ........................................................................................................ 11-264 
lan.lxidomain ....................................................................................................................... 11-264 
lan.nagle ............................................................................................................................. 11-265 
lan.reset() ............................................................................................................................ 11-265 
lan.restoredefaults() ............................................................................................................ 11-265 
lan.status.dns.address[N] .................................................................................................... 11-266 
lan.status.dns.name ............................................................................................................ 11-267 
lan.status.duplex ................................................................................................................. 11-268 
lan.status.gateway .............................................................................................................. 11-268 
lan.status.ipaddress ............................................................................................................ 11-269 
lan.status.macaddress ........................................................................................................ 11-269 
lan.status.port.dst ................................................................................................................ 11-270 
lan.status.port.rawsocket .................................................................................................... 11-270 
lan.status.port.telnet ............................................................................................................ 11-271 
lan.status.port.vxi11 ............................................................................................................ 11-271 
lan.status.speed .................................................................................................................. 11-272 
lan.status.subnetmask ........................................................................................................ 11-272 
lan.trigger[N].assert() .......................................................................................................... 11-273 

Table of contents  Series 3700A System Switch/Multimeter Reference Manual 
 
 
lan.trigger[N].clear() ............................................................................................................ 11-273 
lan.trigger[N].connect() ........................................................................................................ 11-274 
lan.trigger[N].connected ...................................................................................................... 11-275 
lan.trigger[N].disconnect() ................................................................................................... 11-276 
lan.trigger[N].EVENT_ID ..................................................................................................... 11-276 
lan.trigger[N].ipaddress ....................................................................................................... 11-277 
lan.trigger[N].mode .............................................................................................................. 11-277 
lan.trigger[N].overrun .......................................................................................................... 11-278 
lan.trigger[N].protocol .......................................................................................................... 11-279 
lan.trigger[N].pseudostate ................................................................................................... 11-280 
lan.trigger[N].stimulus ......................................................................................................... 11-280 
lan.trigger[N].wait() .............................................................................................................. 11-282 
localnode.define.* ................................................................................................................ 11-283 
localnode.description .......................................................................................................... 11-284 
localnode.emulation ............................................................................................................ 11-284 
localnode.linefreq ................................................................................................................ 11-285 
localnode.model .................................................................................................................. 11-286 
localnode.password ............................................................................................................ 11-286 
localnode.passwordmode ................................................................................................... 11-287 
localnode.prompts ............................................................................................................... 11-288 
localnode.prompts4882 ....................................................................................................... 11-289 
localnode.reset() ................................................................................................................. 11-289 
localnode.revision ............................................................................................................... 11-290 
localnode.serialno ............................................................................................................... 11-291 
localnode.showerrors .......................................................................................................... 11-291 
makegetter() ........................................................................................................................ 11-292 
makesetter() ........................................................................................................................ 11-292 
memory.available() .............................................................................................................. 11-293 
memory.used() .................................................................................................................... 11-294 
node[N].execute() ................................................................................................................ 11-295 
node[N].getglobal() .............................................................................................................. 11-296 
node[N].setglobal() .............................................................................................................. 11-296 
opc() .................................................................................................................................... 11-297 
os.time() .............................................................................................................................. 11-297 
print() ................................................................................................................................... 11-298 
printbuffer() .......................................................................................................................... 11-299 
printnumber() ....................................................................................................................... 11-302 
ptp.domain .......................................................................................................................... 11-303 
ptp.ds.info............................................................................................................................ 11-303 
ptp.enable ........................................................................................................................... 11-305 
ptp.portstate ........................................................................................................................ 11-305 
ptp.slavepreferred ............................................................................................................... 11-306 
ptp.time() ............................................................................................................................. 11-307 
ptp.utcoffset ......................................................................................................................... 11-307 
reset() .................................................................................................................................. 11-308 
scan.abort() ......................................................................................................................... 11-308 
scan.add() ........................................................................................................................... 11-309 
scan.addimagestep() ........................................................................................................... 11-311 
scan.addwrite() .................................................................................................................... 11-312 
scan.background() .............................................................................................................. 11-313 
scan.bypass ........................................................................................................................ 11-314 
scan.create() ....................................................................................................................... 11-315 
scan.execute() ..................................................................................................................... 11-317 
scan.list() ............................................................................................................................. 11-318 
scan.measurecount ............................................................................................................. 11-320 
scan.mode........................................................................................................................... 11-321 
scan.nobufferbackground() ................................................................................................. 11-322 
scan.nobufferexecute() ....................................................................................................... 11-323 
scan.reset() ......................................................................................................................... 11-324 
scan.scancount ................................................................................................................... 11-325 
scan.state() ......................................................................................................................... 11-326 

Series 3700A System Switch/Multimeter Reference Manual  Table of contents 
 
 
scan.stepcount .................................................................................................................... 11-327 
scan.trigger.arm.clear() ....................................................................................................... 11-327 
scan.trigger.arm.set() .......................................................................................................... 11-328 
scan.trigger.arm.stimulus .................................................................................................... 11-328 
scan.trigger.channel.clear() ................................................................................................. 11-330 
scan.trigger.channel.set() .................................................................................................... 11-330 
scan.trigger.channel.stimulus .............................................................................................. 11-331 
scan.trigger.clear() .............................................................................................................. 11-332 
scan.trigger.measure.clear() ............................................................................................... 11-333 
scan.trigger.measure.set() .................................................................................................. 11-333 
scan.trigger.measure.stimulus ............................................................................................ 11-334 
scan.trigger.sequence.clear() .............................................................................................. 11-335 
scan.trigger.sequence.set() ................................................................................................. 11-336 
scan.trigger.sequence.stimulus ........................................................................................... 11-336 
schedule.alarm[N].enable ................................................................................................... 11-338 
schedule.alarm[N].EVENT_ID ............................................................................................. 11-338 
schedule.alarm[N].fractionalseconds .................................................................................. 11-339 
schedule.alarm[N].period .................................................................................................... 11-340 
schedule.alarm[N].ptpseconds ............................................................................................ 11-340 
schedule.alarm[N].repetition ................................................................................................ 11-341 
schedule.alarm[N].seconds ................................................................................................. 11-341 
schedule.disable() ............................................................................................................... 11-342 
script.anonymous ................................................................................................................ 11-342 
script.delete() ...................................................................................................................... 11-343 
script.load() ......................................................................................................................... 11-343 
script.new() .......................................................................................................................... 11-344 
script.newautorun() ............................................................................................................. 11-345 
script.restore() ..................................................................................................................... 11-346 
script.run() ........................................................................................................................... 11-347 
script.user.catalog() ............................................................................................................. 11-347 
scriptVar.autorun ................................................................................................................. 11-348 
scriptVar.list() ...................................................................................................................... 11-348 
scriptVar.name .................................................................................................................... 11-349 
scriptVar.run() ..................................................................................................................... 11-350 
scriptVar.save() ................................................................................................................... 11-351 
scriptVar.source .................................................................................................................. 11-351 
settime() .............................................................................................................................. 11-352 
settimezone() ...................................................................................................................... 11-353 
setup.cards() ....................................................................................................................... 11-354 
setup.poweron ..................................................................................................................... 11-355 
setup.recall() ....................................................................................................................... 11-356 
setup.save() ........................................................................................................................ 11-356 
slot[slot].banks.matrix .......................................................................................................... 11-357 
slot[slot].columns.matrix ...................................................................................................... 11-358 
slot[slot].commonsideohms ................................................................................................. 11-358 
slot[slot].digio ...................................................................................................................... 11-359 
slot[slot].endchannel.* ......................................................................................................... 11-359 
slot[slot].idn ......................................................................................................................... 11-362 
slot[slot].interlock.override ................................................................................................... 11-362 
slot[slot].interlock.state ........................................................................................................ 11-363 
slot[slot].isolated .................................................................................................................. 11-364 
slot[slot].matrix .................................................................................................................... 11-364 
slot[slot].maxvoltage ............................................................................................................ 11-365 
slot[slot].multiplexer ............................................................................................................. 11-365 
slot[slot].poles.four .............................................................................................................. 11-366 
slot[slot].poles.one .............................................................................................................. 11-366 
slot[slot].poles.two ............................................................................................................... 11-367 
slot[slot].pseudocard ........................................................................................................... 11-367 
slot[slot].rows.matrix ............................................................................................................ 11-369 
slot[slot].startchannel.* ........................................................................................................ 11-369 
slot[slot].tempsensor ........................................................................................................... 11-372 

Table of contents  Series 3700A System Switch/Multimeter Reference Manual 
 
 
slot[slot].thermal.state ......................................................................................................... 11-373 
status.condition ................................................................................................................... 11-373 
status.measurement.* ......................................................................................................... 11-375 
status.node_enable ............................................................................................................. 11-377 
status.node_event ............................................................................................................... 11-379 
status.operation.* ................................................................................................................ 11-381 
status.operation.user.* ........................................................................................................ 11-383 
status.questionable.* ........................................................................................................... 11-385 
status.request_enable ......................................................................................................... 11-387 
status.request_event ........................................................................................................... 11-389 
status.reset() ....................................................................................................................... 11-391 
status.standard.* ................................................................................................................. 11-391 
status.system.* .................................................................................................................... 11-393 
status.system2.* .................................................................................................................. 11-395 
status.system3.* .................................................................................................................. 11-398 
status.system4.* .................................................................................................................. 11-400 
status.system5.* .................................................................................................................. 11-402 
timer.measure.t() ................................................................................................................. 11-404 
timer.reset() ......................................................................................................................... 11-405 
trigger.blender[N].clear() ..................................................................................................... 11-406 
trigger.blender[N].EVENT_ID .............................................................................................. 11-406 
trigger.blender[N].orenable.................................................................................................. 11-407 
trigger.blender[N].overrun ................................................................................................... 11-407 
trigger.blender[N].reset() ..................................................................................................... 11-408 
trigger.blender[N].stimulus[M] ............................................................................................. 11-409 
trigger.blender[N].wait() ....................................................................................................... 11-410 
trigger.clear() ....................................................................................................................... 11-411 
trigger.EVENT_ID ............................................................................................................... 11-411 
trigger.timer[N].clear() ......................................................................................................... 11-412 
trigger.timer[N].count ........................................................................................................... 11-412 
trigger.timer[N].delay ........................................................................................................... 11-413 
trigger.timer[N].delaylist ...................................................................................................... 11-414 
trigger.timer[N].EVENT_ID .................................................................................................. 11-415 
trigger.timer[N].overrun ....................................................................................................... 11-415 
trigger.timer[N].passthrough ................................................................................................ 11-416 
trigger.timer[N].reset() ......................................................................................................... 11-416 
trigger.timer[N].stimulus ...................................................................................................... 11-417 
trigger.timer[N].wait() ........................................................................................................... 11-419 
trigger.wait() ........................................................................................................................ 11-419 
tsplink.group ........................................................................................................................ 11-420 
tsplink.master ...................................................................................................................... 11-421 
tsplink.node ......................................................................................................................... 11-421 
tsplink.readbit() .................................................................................................................... 11-422 
tsplink.readport() ................................................................................................................. 11-422 
tsplink.reset() ....................................................................................................................... 11-423 
tsplink.state ......................................................................................................................... 11-424 
tsplink.trigger[N].assert() ..................................................................................................... 11-424 
tsplink.trigger[N].clear() ....................................................................................................... 11-425 
tsplink.trigger[N].EVENT_ID ................................................................................................ 11-425 
tsplink.trigger[N].mode ........................................................................................................ 11-426 
tsplink.trigger[N].overrun ..................................................................................................... 11-427 
tsplink.trigger[N].pulsewidth ................................................................................................ 11-428 
tsplink.trigger[N].release() ................................................................................................... 11-428 
tsplink.trigger[N].reset() ....................................................................................................... 11-429 
tsplink.trigger[N].stimulus .................................................................................................... 11-430 
tsplink.trigger[N].wait() ........................................................................................................ 11-431 
tsplink.writebit() ................................................................................................................... 11-432 
tsplink.writeport() ................................................................................................................. 11-432 
tsplink.writeprotect .............................................................................................................. 11-433 
tspnet.clear() ....................................................................................................................... 11-434 
tspnet.connect() .................................................................................................................. 11-434 

Series 3700A System Switch/Multimeter Reference Manual  Table of contents 
 
 
tspnet.disconnect() .............................................................................................................. 11-436 
tspnet.execute() .................................................................................................................. 11-436 
tspnet.idn() .......................................................................................................................... 11-437 
tspnet.read() ........................................................................................................................ 11-438 
tspnet.readavailable() .......................................................................................................... 11-439 
tspnet.reset() ....................................................................................................................... 11-440 
tspnet.termination() ............................................................................................................. 11-440 
tspnet.timeout ...................................................................................................................... 11-441 
tspnet.tsp.abort() ................................................................................................................. 11-442 
tspnet.tsp.abortonconnect ................................................................................................... 11-442 
tspnet.tsp.rbtablecopy() ....................................................................................................... 11-443 
tspnet.tsp.runscript() ........................................................................................................... 11-444 
tspnet.write() ....................................................................................................................... 11-445 
upgrade.previous() .............................................................................................................. 11-446 
upgrade.unit() ...................................................................................................................... 11-446 
userstring.add() ................................................................................................................... 11-447 
userstring.catalog() ............................................................................................................. 11-447 
userstring.delete() ............................................................................................................... 11-448 
userstring.get() .................................................................................................................... 11-449 
waitcomplete() ..................................................................................................................... 11-450 
 Troubleshooting guide ............................................................................................. 12-1 
Contacting support ............................................................................................................. 12-1 
USB troubleshooting .......................................................................................................... 12-2 
Check driver for the USB Test and Measurement Device ....................................................... 12-2 
Troubleshooting GPIB interfaces ....................................................................................... 12-4 
Controller (hardware) not recognized ...................................................................................... 12-4 
Timeout errors ......................................................................................................................... 12-5 
Troubleshooting LAN interfaces ......................................................................................... 12-5 
Verify connections and settings ............................................................................................... 12-5 
Use Ping to test the connection ............................................................................................... 12-6 
Open ports on firewalls ........................................................................................................... 12-6 
Web page problems ................................................................................................................ 12-6 
LXI LAN status indicator .......................................................................................................... 12-7 
Initialize the LAN configuration ................................................................................................ 12-7 
Use the LXI Discovery Tool ..................................................................................................... 12-7 
Communicate using VISA communicator ................................................................................ 12-8 
WireShark ............................................................................................................................... 12-8 
Testing the display, keys, and channel matrix ................................................................... 12-8 
Verify front panel key operation ............................................................................................... 12-8 
Verify display operation ........................................................................................................... 12-8 
Update drivers .................................................................................................................... 12-9 
Error and status messages ................................................................................................ 12-9 
Error summary list ................................................................................................................... 12-9 
Effects of errors on scripts ...................................................................................................... 12-9 
Retrieving errors .................................................................................................................... 12-10 
Error and status message list ................................................................................................ 12-10 
 Frequently asked questions .................................................................................... 13-1 
How do I get my LAN or web connection to work? ............................................................ 13-1 
Why can't I close a channel? ............................................................................................. 13-1 
How do I know if an error has occurred on my instrument? .............................................. 13-2 

Table of contents  Series 3700A System Switch/Multimeter Reference Manual 
 
 
How do I find the serial number and firmware version? ..................................................... 13-3 
Why can't the Series 3700A read my USB flash drive? ..................................................... 13-3 
 Next steps .................................................................................................................. 14-1 
Additional Series 3700A information .................................................................................. 14-1 
 LAN concepts and settings ........................................................................................A-1 
Overview .............................................................................................................................. A-1 
Establishing a point-to-point connection .............................................................................. A-1 
Step 1: Identify and record the existing IP configuration ........................................................... A-2 
Step 2: Disable DHCP to use the computer's existing IP address ............................................ A-3 
Step 3: Configure the instrument's LAN settings ....................................................................... A-7 
Step 4: Install the crossover cable ............................................................................................ A-8 
Step 5: Access the instrument's web page ................................................................................ A-9 
Connecting to the LAN ......................................................................................................... A-9 
Setting the LAN configuration method ..................................................................................... A-10 
Setting the IP address ............................................................................................................. A-10 
Setting the gateway ................................................................................................................. A-10 
Setting the subnet mask .......................................................................................................... A-11 
Configuring the domain name system (DNS) .......................................................................... A-11 
LAN speeds ........................................................................................................................ A-12 
Duplex mode ...................................................................................................................... A-12 
Viewing LAN status messages .......................................................................................... A-13 
Viewing the network settings ............................................................................................. A-13 
Confirming the active speed and duplex negotiation ............................................................... A-14 
Confirming port numbers ......................................................................................................... A-14 
Selecting a LAN interface protocol ..................................................................................... A-14 
VXI-11 connection ................................................................................................................... A-15 
Raw socket connection ........................................................................................................... A-15 
Dead socket connection .......................................................................................................... A-15 
Telnet connection .................................................................................................................... A-15 
Logging LAN trigger events in the event log ........................................................................... A-18 
 Verification and adjustment .......................................................................................B-1 
Verification ........................................................................................................................... B-1 
Verification test requirements .................................................................................................... B-2 
Performing the verification test procedures ............................................................................... B-4 
Series 3700A verification tests .................................................................................................. B-5 
Adjustment ......................................................................................................................... B-20 
Environmental conditions ........................................................................................................ B-21 
Adjustment considerations ...................................................................................................... B-21 
Adjustment .............................................................................................................................. B-22 
Remote adjustment procedure ................................................................................................ B-23 
 Status model ...............................................................................................................C-1 
Overview .............................................................................................................................. C-1 
Status Byte Register ................................................................................................................. C-1 

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Keithley 3706A, 3706A-NFP, 3706A-S, 3706A-SNFP Reference guide

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