GW Instek GSM-20H10 User manual

Precision Source Measure Unit

GSM-20H10

User Manual

GW INSTEK PART NO. 82SM320H10EB1

ISO-9001 CERTIFIED MANUFACTURER

Copyright Statement

This manual contains proprietary information, which is protected by

copyright. All rights are reserved. No part of this manual may be

photocopied, reproduced or translated to another language without

prior written consent of Good Will company.

The information in this manual was correct at the time of printing.

However, Good Will continues to improve products and reserves the

rights to change specification, equipment, and maintenance

procedures at any time without notice.

Good Will Instrument Co., Ltd.

No. 7-1, Jhongsing Rd., Tucheng Dist., New Taipei City 236, Taiwan.

GSM-20H10 User Manual

1

Table of Contents

Table of Contents .......................................................... 1

SAFETY INSTRUCTIONS............................................. 5

Safety Notes ........................................................... 5

Symbols .................................................................. 6

Guidelines .............................................................. 8

OVERVIEW ................................................................. 11

Main Function ..................................................... 11

Overview ........................................................................................ 11

Main Function ............................................................................... 12

Key Features .................................................................................. 14

Front Panel .......................................................... 16

Display & Parameter .................................................................... 16

Control Panel ................................................................................. 22

Terminals ....................................................................................... 26

Rear Panel ............................................................ 26

Terminals ....................................................................................... 27

GETTING STARTED .................................................. 29

Safety Remind...................................................... 29

Prepare & Start Up .............................................. 30

Check The AC Voltage ................................................................. 30

Connect The AC Power Cord ...................................................... 30

Turn The Power On ...................................................................... 31

Turn The Power Off ...................................................................... 32

Terminal Connection ........................................... 33

Front/Rear Terminals .................................................................. 33

Connect To Load ........................................................................... 33

Sense Connect Methods ............................................................... 34

Sense And Guard Selections ........................................................ 37

Wires Selections ............................................................................ 39

Power On Settings ............................................... 40

Table of Contents

2

BASIC OPERATION ................................................... 41

Preparation .......................................................... 41

Operating Environment ............................................................... 41

Funtion Overview ......................................................................... 42

Parameter Setting Method ........................................................... 44

Source Function ................................................... 46

Circuit Configuration ................................................................... 46

V/I Output Range ......................................................................... 48

Sink Function ................................................................................. 52

Operation Precautions .................................................................. 54

Front Panel Programming Interface ........................................... 55

Parameter Description And Operation ...................................... 56

Output Operation ......................................................................... 78

State Description ........................................................................... 79

Measure Function ................................................ 80

Measurement Interface ................................................................. 80

V/I Meter ....................................................................................... 81

Ohms Meter ................................................................................... 83

Calculation ..................................................................................... 86

Parameter Description And Operation ...................................... 89

Parameter Settings of Calculation Function .............................. 92

Measurement Operations ............................................................ 98

State Description ........................................................................... 98

Limit Function ................................................... 100

Display Interface ........................................................................... 100

Parameter Description And Operation ...................................... 102

External I/O ................................................................................... 117

Limit Operation ............................................................................. 120

State Description ........................................................................... 122

Sequence Function ............................................. 123

Display Interface ........................................................................... 123

Features .......................................................................................... 124

Parameter Description And Operation ...................................... 128

Generating Waveform And Exporting File ............................... 135

Sequence Output ........................................................................... 138

TRIG Fuction ..................................................... 139

Programming Interface ................................................................ 139

Trigger Process .............................................................................. 140

Parameter Description And Operation ...................................... 141

Interface Requirements ................................................................ 146

GSM-20H10 User Manual

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SYSTEM SETTINGS .................................................. 148

Range Limitation ............................................... 148

System Parameters ............................................ 151

Save/Recall ........................................................ 159

Factory Settings ................................................. 160

Software Upgrade.............................................. 165

System Clock ..................................................... 168

Mobile Disk Usage ............................................ 168

REMOTE CONTROL .................................................. 170

Setting Interface ................................................ 170

USB ................................................................................................. 170

RS-232 ............................................................................................. 173

GPIB ................................................................................................ 177

LAN ................................................................................................ 180

COMMAND SYNTAX ................................................ 184

SCPI Commands Overview ............................... 184

Command Format ......................................................................... 184

Symbol Description ...................................................................... 185

Parameter Types ........................................................................... 185

Command Abbreviations ............................................................. 186

Command Terminators ................................................................ 187

Command List ................................................... 188

Calculate Instructions ................................................................... 188

Display Commands ...................................................................... 190

Data Format Commands .............................................................. 190

Output Commands ....................................................................... 190

Source Commands ........................................................................ 191

Measurement Commands ............................................................ 194

Status Commands ......................................................................... 196

System Commands ....................................................................... 197

Trigger Commands ....................................................................... 198

IEEE488.2 Common Commands ................................................. 199

Command Details .............................................. 201

Calculate Commands ................................................................... 201

Display Commands ...................................................................... 229

Data Format Commands .............................................................. 230

Output Commands ....................................................................... 242

Table of Contents

4

Source Commands ........................................................................ 245

Measurement Commands ............................................................ 288

Status Commands ......................................................................... 314

System Commands ....................................................................... 319

Trigger Commands ....................................................................... 328

IEEE488.2 Common Command ................................................... 345

Status Registers ................................................. 350

The Structure Of Status Registers ............................................... 351

Programming And Reading Registers ....................................... 352

Status Byte And Service Request (SRQ) ..................................... 353

Status Register Sets ....................................................................... 355

Queues ............................................................................................ 359

Errors ................................................................. 360

Error Message ................................................................................ 360

Command Errors .......................................................................... 360

APPENDIX .................................................................. 366

Replacing The Fuse ........................................... 366

Battery Replacement ......................................... 367

Specification ...................................................... 368

Optional Accessories ......................................... 373

Certificate Of Compliance ................................. 374

GSM-20H10 User Manual

5

SAFETY INSTRUCTIONS

This chapter contains important safety instructions

that you must follow during operation and storage.

Read the following before any operation to insure

your safety and to keep the instrument in the best

possible condition.

Safety Notes

This product is intended for use by qualified 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.

Ensuring that the equipment is operated within its specifications

and operating limits, and ensuring that operators are adequately

trained. They must be trained in electrical safety procedures and

proper use of the instrument，and must be protected from

electric shock and contact with hazardous live circuits.

Exercise with extreme caution when a shock hazard is present.

Lethal voltage may be present on cable connector jacks or test

fixtures. A shock hazard exists when voltage levels greater than

30V RMS, 42.4V peak, or 60VDC.

For maximum safety, do not touch the product, test cables, or

any other instruments while power is applied to the circuit

under test.

SAFETY INSTRUCTIONS

6

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.

The instrument and accessories must be used in accordance with

its specifications and operating instrument, or the safety of the

equipment may be impaired.

Do not exceed the maximum signal levels of the instruments and

accessories as defined in the specifications and operating

information (as shown on the instrument or test fixture panels).

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 used as safety earth 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.

Symbols

These symbols may appear in the manual or on the instrument.

ATTENTION

Ensure conditions or practices suit instrument in

case breakdown or operating life reduction of

instrument. Always read the associated

information very carefully before performing the

indicated procedure.

CAUTION

Ensure conditions or practices suit instrument in

case damage to the GSM-20H10 or to other

properties. Such damage may invalidate the

warranty.

GSM-20H10 User Manual

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WARING

Ensure conditions or practices suit instrument in

case injury or death.

DANGER

If the symbol is marked on the instrument, it

means that the instrument can supply or measure

a voltage of 1000V or more, including the common

influence of normal voltage and common mode

voltage. Use standard safety precautions to avoid

personal exposure to these voltages.

GROUND

Protective Conductor Terminal, connect it to safety

earth ground using the wire recommended in the

user documentation if required.

Indicates the terminal connected to the device

shell.

Do not dispose electronic equipment as unsorted

municipal waste. Please use a separate collection

facility or contact the supplier from which this

instrument was purchased.

SAFETY INSTRUCTIONS

8

Guidelines

General

Guideline

CAUTION

 Do not place any heavy object on the unit.

 Avoid severe impact or rough handling that

leads to damaging the unit.

 Do not discharge static electricity to the unit.

 Do not block the cooling fan opening.

 Do not disassemble the GSM-20H10 unless you

are qualified.

 EN 61010-1 specifies the measurement

categories and their requirements as follows.

The GSM-20H10 operates under category of Not

II, III, IV.

 Measurement category IV is for measurement

performed at the source of low-voltage installation.

 Measurement category III is for measurement

performed in the building installation.

 Measurement category II is for measurement

performed on the circuits directly connected to the

low voltage installation.

 0 is for measurements performed on circuits not

directly connected to Mains.

 EN 61010-1 specifies pollution degrees and their

requirements as follows. Pollution refers to

“addition of foreign matter, solid, liquid, or

gaseous (ionized gases), that may produce a

reduction of dielectric strength or surface

resistivity”.The GSM-20H10 operates under

degree 2.

 Pollution degree 1: No pollution or only dry, non-

conductive pollution occurs. The pollution has no

influence.

GSM-20H10 User Manual

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 Pollution degree 2: Normally only non-conductive

pollution occurs. Occasionally, however, a temporary

conductivity caused by condensation must be

expected.

 Pollution degree 3: Conductive pollution occurs, or

dry, non-conductive pollution occurs which becomes

conductive due to condensation which is expected. In

such conditions, equipment is normally protected

against exposure to direct sunlight, precipitation, and

full wind pressure, but neither temperature nor

humidity is controlled.

Power Supply

AC Input voltage range: 100~240VAC(±10%)，

50/60Hz

WARNING: To avoid electrical shock,

connect the protective grounding conductor of the

AC power cord to an earth ground.

Fuse

 Fuse type: T2.0A/250V

WARNING:

 Make sure to use the correct fuse type before

starting up.

 To prevent fire, replace the fuse only with the

specified type and rating.

 Disconnect the power cord before replacing the

fuse.

 Make sure the cause of fuse blowout is fixed

before replacing the fuse.

SAFETY INSTRUCTIONS

10

Cleaning the

instrument

WARNING:

 Disconnect the power cord before cleaning the

instrument.

 Use a soft cloth dampened in a solution of mild

detergent and water. Do not spray any liquid

into the instrument. Clean the exterior of the

instrument only.

 Do not use chemicals containing harsh products

such as benzene, toluene, xylene, and acetone.

Operation

Environment

 Location: Indoor, no direct sunlight, dust free,

almost non-conductive pollution (Note below)

 Relative Humidity: < 80%

 Altitude: < 2000m

 Temperature: 0°C to 40°C

Storage

environment

 Location: Indoor

 Relative Humidity: < 80%

 Temperature: -20°C to 70°C

OVERVIEW

11

OVERVIEW

This chapter contains a brief introduction to GSM-

20H10, including the main features, as well as an

overview of the front and rear panel. Use the Getting

Started chapter on page 29 to start up instructions and

how to setup the appropriate operation environment.

Main Function

Overview

The GSM combines a precise, low-noise, highly stable DC power

supply with a low-noise, high-impedance multimeter. It has 0.012%

basic accuracy with 61/2 digit resolution. At 41/2 digits display

resolution (Medium), the GSM delivers 520 readings/second over

the IEEE-488 bus. At 31/2 digits display resolution (Fast), it can read

up to 2000 readings/second into its internal buffer.

Because of its built-in source function, the GSM can be used to

generate a set of current voltage (I-V) characteristic curves, which is

very useful for semiconductor device and material testing.

It is equivalent to the combination of voltage source, current

source, voltmeter, amperemeter and ohmmeter.

The digital GSM is designed for routine testing and high-speed

production testing applications. In the manufacturing of

components and modules of communication, semiconductor,

computer, automobile and medical industry, GSM is of great

practical valuable for their various characteristics analysis and

production process testing.It is also usually used in testing and R &

D laboratories.

OVERVIEW

12

Main Function

Four Quadrant Source Function (V/I)

GSM-20H10, as a conventional power supply, has the function of

automatic CC/CV crossover function. You can use the front panel to

set as voltage source or current source, and configure parameters

such as voltage testing, current testing, display digits, data sampling

period, power status, OVP, etc. The voltage and current testing

settings and the actual voltage/current testing value are displayed

on the LCD. V/I measurement, limit measurement, sequence output

and trigger functions are all extended on the basis of source

function. The relationship is shown in figure below:

For more source information, see page 46.

Measure Function (V/I/Ω)

GSM-20H10 can also be used as voltmeter/amperemeter and

ohmmeter to measure external voltage/current value and

resistance. The measurement function can also comply five

calculation functions through the built-in mathematical functions:

Power, CompOhms, VarAlpha, Vcoeff, DEV. The relevant

parameter settings can be set through the front panel keys and

displayed on the LCD. See page 80 for details.

Source

Limit Measure Sequence

GSM-20H10 User Manual

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* The user can define up to 5 operations through the remote

command. For details, see page 201.

Limit Function

There are three types of limits: compliance, coarse limits and fine

limits. And summarizes the two operating modes: grading and

sorting. For details, see page 100. Covers pass/fail condition for the

grading and sorting modes. For details, see page 110.

Sequence Function

There are four basic sweep types: linear Staircase, Logarithmic

staircase, Custom and SRC-MEM sweep. For details, see page 123.

TRIG Function

The trigger model consists of two layers (Arm Layer and Trigger

Layer) to provide versatility. Programmable counters allow

operations to be repeated, and various input and output trigger

options are available to provide source-measure synchronization

between the GSM and other instruments (via the Trigger Link). For

details, see page 139.

Remote Control

To meet the various needs of customers, the GSM-20H10 is designed

for USB (TMC), RS-232, GPIB and LAN remote control. For details,

see page 170.

External I/O port

The GSM-20H10 has external control signals for customers.

Including input trigger signal and output control signal. For details,

see Limit function on page 117 and Trigger function on page 146.

OVERVIEW

14

Key Features

General

 Low noise, the speed of fan is controlled by

thermostatic.

 Compact, meets the 2U height and 1/2Rack width

requirement.

 4.3 inch TFT LCD display.

 Constant voltage and constant current operation

(CV/CC).

 Front and Rear output control key

(FRONT/REAR).

 Digital voltage and current settings by number

pad.

 Alarm buzzer (BEEP).

 Key lock function (LOCK).

Additional

˙ Source-measure sweep capabilities (Linear and

Logarithmic staircase sweeps, source sweep list

of up to 2500 points, memory sweep of up to

100 instrument setups).

˙ 6-wire Ω measurement with programmable I-

source or V-source.

˙ 4-quadrant source and sink operation.

˙ Up to 11 stages of limit testing with a built-in

comparator for pass/fail testing.

˙ Digital I/O interface for component handler.

˙ Five built-in math expressions, up to five user-

defined math expressions (remote command

only).

GSM-20H10 User Manual

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˙ Reading and setup storage, up to 2500 readings

and six storage area (four user settings, two

factory defaults) can be stored and recalled.

Protection

˙ Overvoltage protection (OVP).

˙ Overtemperature protection (OTP).

Interface

˙ USB remote control.

˙ RS-232 remote control.

˙ GPIB remote control.

˙ LAN remote control.

OVERVIEW

16

Front Panel

LCD Display Numberpad and Power

Secondary function key on/off key

USB host port Auxiliary C/Pict key Front panel Input/

function key Output terminals

Display & Parameter

Power on

Display

(Source)

GSM-20H10 User Manual

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Description

The display is used primarily to program source and

compliance values and display the real measured

readings, The area is divided as follows.

① Status and Error messages

Status and error messages are displayed

momentarily, which are located on the top of the

display, indicate various states of operation. The

meaning of each status information is described

separately in each function introduction chapter.

The error message contains a variety of error

types, which can be read by instructions under

remote control. Typical error messages

description and types are listed in page 360.

② Reading Data/Format

The readback value is displayed with a resolution

of up to 61/2 digits. The number of display digits

can be changed by directly setting Digits or

modifying the refresh Speed. Take the highest

resolution of the readback voltage as an example:

The readback display area is divided into 3 parts:

1: sign, 2: value, 3: units.

˙ The measurment values of voltage, current

and resistance can be positive or negative.

˙ The digital display has a total of 7 digits at

most, and the range is determined by the

integer digits combined with the unit.

When measuring V:

˙ 3 integer digits for 200V or 200mV range

˙ 2 integer digits for 20V range

˙ 1 integer digits for 2V range

OVERVIEW

18

When measuring I:

˙ 3 integer digits for 100mA or 100uA range

˙ 2 integer digits for 10mA or 10uA range

˙ 1 integer digits for 1A or 1mA or 1uA range

When measuring Ω

˙ 3 integer digits for 200MΩor 200kΩ or 200Ω

range

˙ 2 integer digits for 20MΩor 20kΩ or 20Ω

range

˙ 1 integer digits for 2MΩor 2kΩ or 2Ω range

The unit of voltage is V or mV; the unit of current

is A or mA or uA; the unit of resistance is MΩ or

KΩ or Ω; when performing Math, there may not

be the above unit.

When the output is turned on, the top (main)

display area is used for measurement. The read

information can be displayed in integer or

floating point format using engineering notation

or scientific notation. Example of engineering

notation: 1.23456μA, example of scientific

notation: 1.23456e-6. Using System->Control-

>Numbers option to select the display format.

③ Edit the source

Under the reading display area, is used for

programming source value (Vsrc or Isrc) and

compliance (Cmpl) limit. For the settings of OVP,

please refer to Source Operation.

Voltage source/Current source setting

operation:

Contains 3 aspects, as shown in the figure:

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