Xantrex RS232-XT User manual

Operating Manual

Internal RS-232 Interface

for XT/HPD Series

Programmable DC

Power Supplies

RS232-XT

RS232-HPD

Operating Manual for

Internal RS-232 Interface

for XT 60 Watt and

HPD 300 Watt Series

Programmable DC

Power Supplies

ii Operating Manual for RS-232 for XT/HPD Series Power Supply

Limited

Warranty

What does this warranty cover and how long does it last?

This Limited Warranty is provided by Xantrex Technology, Inc. (“Xantrex”) and

covers defects in workmanship and materials in your RS-232 Interface Card. This

warranty lasts for a Warranty Period of 5 years from the date of purchase at point of

sale to you, the original end user customer.

What will Xantrex do?

Xantrex will, at its option, repair or replace the defective product free of charge,

provided that you notify Xantrex of the product defect within the Warranty Period,

and provided that Xantrex through inspection establishes the existence of such a

defect and that it is covered by this Limited Warranty.

Xantrex will, at its option, use new and/or reconditioned parts in performing

warranty repair and building replacement products. Xantrex reserves the right to use

parts or products of original or improved design in the repair or replacement. If

Xantrex repairs or replaces a product, its warranty continues for the remaining

portion of the original Warranty Period or 90 days from the date of the return

shipment to the customer, whichever is greater. All replaced products and all parts

removed from repaired products become the property of Xantrex.

Xantrex covers both parts and labor necessary to repair the product, and return

shipment to the customer via a Xantrex-selected non-expedited surface freight

within the contiguous United States and Canada. Alaska and Hawaii are excluded.

Contact Xantrex Customer Service for details on freight policy for return shipments

outside of the contiguous United States and Canada.

How do you get service?

If your product requires troubleshooting or warranty service, contact your merchant.

If you are unable to contact your merchant, or the merchant is unable to provide

service, contact Xantrex directly at:

Phone: 604 422 8595

Toll Free North America: 1 800 667 8422

Fax: 604 421 3056

Email: [email protected]

Release 1.1 iii

Direct returns may be performed according to the Xantrex Return Material

Authorization Policy described in your product manual. For some products, Xantrex

maintains a network of regional Authorized Service Centers. Call Xantrex or check

our website to see if your product can be repaired at one of these facilities.

In any warranty claim, dated proof of purchase must accompany the product and the

product must not have been disassembled or modified without prior written

authorization by Xantrex.

Proof of purchase may be in any one of the following forms:

• The dated purchase receipt from the original purchase of the product at point of

sale to the end user, or

• The dated dealer invoice or purchase receipt showing original equipment

manufacturer (OEM) status, or

• The dated invoice or purchase receipt showing the product exchanged under

warranty

What does this warranty not cover?

This Limited Warranty does not cover normal wear and tear of the product or costs

related to the removal, installation, or troubleshooting of the customer’s electrical

systems. This warranty does not apply to and Xantrex will not be responsible for any

defect in or damage to:

a. the product if it has been misused, neglected, improperly installed, physically

damaged or altered, either internally or externally, or damaged from improper

use or use in an unsuitable environment;

b. the product if it has been subjected to fire, water, generalized corrosion,

biological infestations, and high input voltage from lightning strikes;

c. the product if repairs have been done to it other than by Xantrex or its authorized

service centers (hereafter “ASCs”);

d. the product if it is used as a component part of a product expressly warranted by

another manufacturer;

e. the product if its original identification (trade-mark, serial number) markings

have been defaced, altered, or removed.

iv Operating Manual for RS-232 for XT/HPD Series Power Supply

Disclaimer Product

THIS LIMITED WARRANTY IS THE SOLE AND EXCLUSIVE WARRANTY PROVIDED

BY XANTREX IN CONNECTION WITH YOUR XANTREX PRODUCT AND IS, WHERE

PERMITTED BY LAW, IN LIEU OF ALL OTHER WARRANTIES, CONDITIONS,

GUARANTEES, REPRESENTATIONS, OBLIGATIONS AND LIABILITIES, EXPRESS

OR IMPLIED, STATUTORY OR OTHERWISE IN CONNECTION WITH THE PRODUCT,

HOWEVER ARISING (WHETHER BY CONTRACT, TORT, NEGLIGENCE, PRINCIPLES

OF MANUFACTURER’S LIABILITY, OPERATION OF LAW, CONDUCT, STATEMENT

OR OTHERWISE), INCLUDING WITHOUT RESTRICTION ANY IMPLIED WARRANTY

OR CONDITION OF QUALITY, MERCHANTABILITY OR FITNESS FOR A

PARTICULAR PURPOSE. ANY IMPLIED WARRANTY OF MERCHANTABILITY OR

FITNESS FOR A PARTICULAR PURPOSE TO THE EXTENT REQUIRED UNDER

APPLICABLE LAW TO APPLY TO THE PRODUCT SHALL BE LIMITED IN DURATION

TO THE PERIOD STIPULATED UNDER THIS LIMITED WARRANTY.

IN NO EVENT WILL XANTREX BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT,

INCIDENTAL OR CONSEQUENTIAL DAMAGES, LOSSES, COSTS OR EXPENSES

HOWEVER ARISING WHETHER IN CONTRACT OR TORT INCLUDING WITHOUT

RESTRICTION ANY ECONOMIC LOSSES OF ANY KIND, ANY LOSS OR DAMAGE TO

PROPERTY, ANY PERSONAL INJURY, ANY DAMAGE OR INJURY ARISING FROM OR

AS A RESULT OF MISUSE OR ABUSE, OR THE INCORRECT INSTALLATION,

INTEGRATION OR OPERATION OF THE PRODUCT.

Exclusions If this product is a consumer product, federal law does not allow an exclusion of

implied warranties. To the extent you are entitled to implied warranties under federal

law, to the extent permitted by applicable law they are limited to the duration of this

Limited Warranty. Some states and provinces do not allow limitations or exclusions

on implied warranties or on the duration of an implied warranty or on the limitation

or exclusion of incidental or consequential damages, so the above limitation(s) or

exclusion(s) may not apply to you. This Limited Warranty gives you specific legal

rights. You may have other rights which may vary from state to state or province to

province.

Release 1.1 v

Information WITHOUT LIMITING THE GENERALITY OF THE FOREGOING, UNLESS

SPECIFICALLY AGREED TO BY IT IN WRITING, XANTREX

a. MAKES NO WARRANTY AS TO THE ACCURACY, SUFFICIENCY OR SUITABILITY

OF ANY TECHNICAL OR OTHER INFORMATION PROVIDED IN MANUALS OR

OTHER DOCUMENTATION PROVIDED BY IT IN CONNECTION WITH THE

PRODUCT; AND

b. ASSUMES NO RESPONSIBILITY OR LIABILITY FOR LOSSES, DAMAGES,

COSTS OR EXPENSES, WHETHER SPECIAL, DIRECT, INDIRECT,

CONSEQUENTIAL OR INCIDENTAL, WHICH MIGHT ARISE OUT OF THE USE OF

SUCH INFORMATION.

THE USE OF ANY SUCH INFORMATION WILL BE ENTIRELY AT THE USER’S RISK.

WARNING:

Limitations

on Use

Please refer to your product user manual for limitations on uses of the product.

Specifically, please note that this power supply is not intended for use in connection

with life support systems and Xantrex makes no warranty or representation in

connection with any use of the product for such purposes.

Xantrex Technology, Inc.

8999 Nelson Way

Burnaby, British Columbia

Canada V5A 4B5

Information

About Your

Power

Supply

Please record the following information when you first open your Power Supply

package:

Release Release 1.1 (2002-06)

Copyright

©

Printed in Canada

Model Number ______________________________________________

Serial Number ______________________________________________

Purchased From ______________________________________________

Purchase Date ______________________________________________

vi Operating Manual for RS-232 for XT/HPD Series Power Supply

Power

Supply

Safety

Warnings,

Cautions,

and Notes

Warnings, cautions, and notes are defined and formatted in this manual as shown

below.

WARNING—High Energy and High Voltage

Exercise caution when using and calibrating a power supply. High energy levels

can be stored at the output voltage terminals on a power supply in normal

operation. In addition, potentially lethal voltages exist in the power circuit and on

the output and sense connectors of a power supply with a rated output greater

than 40 V. Filter capacitors store potentially dangerous energy for some time after

power is removed.

!

CAUTION

Operate the power supply in an environment free of flammable gases or fumes.

To ensure that the power supply’s safety features are not compromised, use the

power supply as specified in this manual and do not substitute parts or make any

unauthorized modifications. Contact the service technician for service and repair

help. Repairs must be made by experienced service technicians only.

WARNING

Describes a potential hazard which could result in injury or death, or, a procedure

which, if not performed correctly, could result in injury or death.

!

CAUTION

Describes a procedure which, if not performed correctly, could result in damage

to data, equipment, or systems.

Note

Describes additional operating information which may affect the performance of the

equipment.

Release 1.1 vii

About This Manual

This technical manual is for the RS-232 Interface, a microprocessor-controlled

option card for all models of XT and HPD Series DC output power supplies. This

manual provides you with specifications, user options, and configuration

instructions for the interface, along with a command set which allows you to control

your power supply from a computer console. Error messages and calibration

procedures are also included.

This manual is designed for the user who is familiar with basic electrical theory

especially as it applies to the operation of power supplies. This implies a recognition

of Constant Voltage and Constant Current operation modes and the control of input

and output power, as well as the observance of safe techniques while effecting supply

or pin connections and any changes in switch settings. The user should also have

experience with a computer-based communications software package.

Refer to your power supply manual for installation, configuration, and operating

procedures for your power supply.

Main Sections

Section 1 Features and Specifications Describes the interface and lists its

features and specifications.

Section 2 Installation and Configuration Gives basic setup procedures.

Describes inspection, cleaning, shipping, and storage procedures.

Section 3 Operation Lists the complete command set, status registers, and error

codes.

Section 4 Calibration Provides detailed procedures for voltage and current

mode calibration as well as over voltage protection (OVP) calibration. Includes

calibration for programming and readback accuracy.

Manual Revisions

The current release of this manual is listed below. Updates may be issued as an

addendum.

Release 1.1 (2002-06)

About This Manual

viii Operating Manual for RS-232 for XT/HPD Series Power Supply

Release 1.1 ix

Contents

About This Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii

Section 1.

Features and

Specifications

Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Features and Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Programmable Functions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Readback Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Section 2.

Installation

and

Configuration

Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Initial Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Basic Setup Procedure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Communications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Baud Rate Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Flow Control Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Software Flow Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Hardware Flow Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Transmit / Receive Pin Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Removing the cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Remote/Local Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Remote / Local Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

LOC Command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Local Mode Disable Jumper J95 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Remote Mode Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Local Mode Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

RS-232 Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Power Supply Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

User Options and Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

OVP Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

TTL Shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

User Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Connector J7 User Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

J7 Cable Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Section 3.

Operation

Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

RS-232 Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Command Syntax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Manual Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Command Format and Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Command Strings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Command Terminators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Order . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Contents

x

Operating Manual for RS-232 for XT/HPD Series Power Supply

Command Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Command Reference. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Accumulated Status, Status, and Fault Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Error Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

Diagnostic LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

Section 4.

Calibration

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

Voltage Mode Calibration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

Voltage Calibration Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

Voltage Program Calibration Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

Voltage Readback Calibration Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Current Mode Calibration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

Current Calibration Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

Current Program Calibration Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

Current Readback Calibration Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

Over Voltage Protection (OVP) Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

Release 1.1 11

Section 1. Features and Specifications

Description

The RS-232 Interface is a microprocessor-controlled option card for all models of

the XT and HPD Series of DC output power supply. Installed internally, the RS-232

interface card gives you remote digital control of simple test systems. It features fast,

16-bit resolution for programming and readback and uses bit serial protocol for

sending data between the computer and the interface. The RS-232 interface has an

extensive command set and uses most of the user-programmable features employed

by all of our interfaces.

In addition to the RS-232 port and its interface, this remote control application

requires a computer-based communications software package such as PROCOMM,

XTALK, Windows Terminal Program, equivalent communications software, or low

level or high level language programs. The RS-232 interface is an ideal tool for

reliable, remote power supply control of both research and development

applications.

Figure 1.1 Sample Configuration using RS-232 Interface

Features and Specifications

Features and Functions

12 Operating Manual for RS-232 for XT/HPD Series Power Supply

Features and Functions

Features • 16-bit programming and readback of voltage and current

• Programmable over voltage protection with reset

• Easy-to-use, self-documenting command set

• User-programmable isolated fault, polarity, isolation, and auxiliary, user-defined

output signals.

• LED status signals: error, address, remote/local operation, and over voltage

protection.

• Foldback in CV or CC mode with reset

• Software calibration

Programmable

Functions

• Output voltage and current

• Soft limits for voltage and current

• Over voltage protection

• Output enable/disable

• Maskable fault interrupt

• Hold and trigger

• Output relay signals

Readback

Functions

• Actual voltage and current

• Voltage and current settings

• Soft voltage and current limits

• Over voltage protection setting

• Present and accumulated power supply status

• Programming error codes

• Fault codes

• Power supply model and software version identification

Features and Specifications

Specifications

Release 1.1 13

Specifications

The specifications in this section are warranted at 25°C ±5°C unless otherwise

specified. All specifications are subject to change without notice.

Table 1.1 Specifications for XT 60 W Series Supply with RS-232 Interface Installed

Models 7-6 15-4 20-3 30-2 60-1 120-0.5 250-0.25

Program Resolution

Voltage

Current

OVP

1.1mV

1.0mA

1.0mV

2.4mV

0.6mA

2.4mV

3.1mV

0.5mA

3.1mV

4.7mV

0.3mA

4.7mV

9.3mV

0.2mA

9.3mV

17mV

0.1mA

17mV

34mV

0.08mA

34mV

Program Accuracy

1

Voltage

Current

OVP

1. Apply accuracy specifications according to the following voltage program accuracy example:

Set a model XT 15-4 power supply to 10 volts.

The expected result will be within the range of 10 volts ± 20mV ± 0.1% of the set voltage of 10 volts.

10mV

±0.1%

110mA

±0.15%

70mV

20mV

±0.1%

70mA

±0.15%

150mV

20mV

±0.15%

50mA

±0.15%

200mV

30mV

±0.15%

40mA

±0.15%

300mV

200mV

±0.15%

26mA

±0.2%

600mV

400mV

±0.15%

13mA

±0.2%

1.2V

800mV

±0.15%

7mA

±0.2%

2.4V

Readback Resolution

Voltage

Current

1.1mV

1.0mA

2.4mV

0.6mA

3.1mV

0.5mA

4.7mV

0.3mA

9.3mV

0.2mA

17mV

0.1mA

34mV

0.08mA

Readback Accuracy

1

Voltage

Current

10mV

±0.15%

110mA

±0.15%

10mV

±0.1%

70mA

±0.15%

10mV

±0.1%

50mA

±0.15%

15mV

±0.1%

40mA

±0.15%

35mV

±0.15%

26mA

±0.2%

70mV

±0.15%

13mA

±0.2%

140mV

±0.15%

7mA

±0.2%

Features and Specifications

Specifications

14 Operating Manual for RS-232 for XT/HPD Series Power Supply

Table 1.2 Specifications for HPD 300 W Series Supply with RS-232 Interface Installed

Models 15-20 30-10 60-5

Program Resolution

Voltage

Current

OVP

2.4mV

2.8mA

2.4mV

4.7mV

1.4mA

4.7mV

9.3mV

0.7mA

9.3mV

Program Accuracy

1

Voltage

Current

OVP

1. Apply accuracy specifications according to the following voltage program accuracy example:

Set a model HPD 15-20 power supply to 10 volts.

The expected result will be within the range of 10 volts ± 20mV ± 0.1% of the set voltage of

10 volts.

60mV

±0.1%

75mA

±0.12%

150mV

70mV

±0.1%

50mA

±0.12%

300mV

90mV

±0.12%

25mA

±0.1%

600mV

Readback Resolution

Voltage

Current

2.4mV

2.8mA

4.7mV

1.4mA

9.3mV

0.7mA

Readback Accuracy

1

Voltage

Current

45mV

±0.3%

75mA

±0.12%

90mV

±0.3%

40mA

±0.12%

175mV

±0.3%

25mA

±0.1%

Release 1.1 15

Section 2. Installation and Configuration

Introduction

To use this product, you must have the following equipment:

• a compatible model of DC output power supply

• serial extender cable (straight through)

• computer with an RS-232 interface (serial port)

• computer-based communications software package

The RS-232 interface is usually installed at the factory. Your local distributor or

service center can also install the interface, especially for use in a

previously-purchased supply already on site. The RS-232 interface card will be

calibrated and configured with default settings. You will need to configure the supply

for your system using the “Basic Setup Procedure” on page 19. Refer also to

Figure 2.1, on page 16, Figure 2.2, on page 16 and Figure 2.3, on page 17 for

drawings of the front panel, the interface subplate, and the RS-232 interface printed

circuit board (PCB).

Initial Inspection

On first receiving your unit, perform a quick physical check.

• Ensure each package contains a power supply with its RS-232 interface board

installed, and manuals for the power supply and the RS-232 interface. Any

additional parts shipped with the power supply will be identified in the supply's

documentation.

• Inspect the unit for any signs of physical damage such as scratches, cracks, or

broken switches, connectors, or displays.

• Check the printed circuit board and components if you suspect internal damage.

If the unit is damaged, save all packing materials and notify the carrier immediately.

For additional information, please see the section titled, “Returning Power Supplies

to the Manufacturer” in the manual shipped with your complete unit.

!

CAUTION

If you remove the unit's cover, use proper static control techniques to avoid damage

to static-sensitive components on the printed circuit board.

Installation and Configuration

Initial Inspection

16 Operating Manual for RS-232 for XT/HPD Series Power Supply

Figure 2.1 Power Supply Front Panel with RS-232 Interface Installed

Figure 2.2 Power Supply Rear Panel with RS-232 Interface Installed

Remote Mode (REM) LED

Service Request (SRQ) LED

GPIB Only

Over Voltage Protection (OVP) LED

OVP Potentiometer

RS-232 Connector

Address LED (ADR)

SW1 Switch

1 Remote/Local Mode Selection

2,3 Not Used

4 CTS/XO Flow Control Selection

5 Flow ON/OFF Selection

6-8 B1-B3 Baud Rate Selection

0

1

Error LED (ERR)

J7 User Signal Connector

Installation and Configuration

Initial Inspection

Release 1.1 17

Figure 2.3 RS-232 Interface PCB

See next page for designation descriptions.

Installation and Configuration

Initial Inspection

18 Operating Manual for RS-232 for XT/HPD Series Power Supply

Figure 2.3, RS-232 Interface PCB continued.

JUMPER SELECTION

J95 Local OVP control selection

[closed] [default]. See

page 29.

[open] See

Table 2.13, on page 29.

J117 User TTL shutdown (S/D)

selection

[1-2] User TTL S/D line active low.

[2-3] [default] User TTL S/D line active high.

J217 Remote OVP Control Selection

[closed] [default]. See

page 29.

[open] See

Table 2.13, on page 29.

J7 RS-232 (J5) transmit and

receive pin selection

[3-1] Transmit on pin 3 [default]

[4-6] Receive on pin 2 [default]

[3-5] Transmit on pin 2

[4-2] Receive on pin 3

J8 RS-232 flow control selection of

RTS/CTS (ready to send/clear

to send) or DTR/DSR (data

terminal ready/data set ready)

[2-4][3-5] [default] RTS input on pin 7 (used with

CTS output on pin 8)

[2-4][1-3] DTR input on pin 4 (used with DSR

output on pin 6)

J9 RS-232 flow control selection of

RTS/CTS or DTR/DSR

[1-3][4-6] [default] CTS output on pin 8 (used

with RTS input on pin 7)

[3-5][4-6] DSR output on pin 6 (used with DTR

input on pin 4)

Note: All other jumpers are not user-selectable.

LED INDICATORS

CR141 Red Diagnostic LED Bus error or soft restart on Slave circuitry.

CR14 Red Diagnostic LED Soft restart on Master circuitry.

CR13 Green Diagnostic LED Bus error on Master circuitry.

EPROMS

U95 Slave EPROM See revision number stamped on EPROM.

U18 Master EPROM See revision number stamped on EPROM.

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