Allen-Bradley 1203-GD2 User manual

User Manual

Bulletin 1203

Serial Communications Module

RS232/422/485 (Using DF1 Protocol)

Catalog Number 1203-GD2, -GK2, -GM2

Important User Information Because of the variety of uses for this equipment and because of the

differences between this solid-state equipment and electromechanical

equipment, the user of and those responsible for applying this equipment

must satisfy themselves as to the acceptability of each application and use

of the equipment. In no event will Allen-Bradley Company be responsible

or liable for indirect or consequential damages resulting from the use or

application of this equipment.

The illustrations shown in this manual are intended solely to illustrate the

text of this manual. Because of the many variables and requirements

associated with any particular installation, the Allen-Bradley Company

cannot assume responsibility or liability for actual use based upon the

illustrative uses and applications.

No patent liability is assumed by Allen-Bradley Company with respect to

use of information, circuits or equipment described in this text.

Reproduction of the content of this manual, in whole or in part, without

written permission of the Allen-Bradley Company is prohibited.

This information in this manual is organized in numbered chapters. Read

each chapter in sequence and perform procedures when you are instructed

to do so. Do not proceed to the next chapter until you have completed all

procedures.

!ATTENTION: Identifies information about practices or

circumstances that can lead to personal injury or death, property

damage or economic loss.

Attentions help you:

•identify a hazard

•avoid the hazard

•recognize the consequences

IMPORTANT: Identifies information that is especially important for

successful application and understanding of the product.

Summary of Changes

Summary Information These changes have been made since any preliminary photocopy

documents were issued:

Chapter 1 A trademark symbol has been added to 1336 PLUS on page 1-1.

Chapter 2 •The word “board” has been changed to “module” in the last sentence of

paragraph four on page 2-1.

•The word “Default” has been added to the description of SW3.7, SW3.8

in, and DH-485 has been removed from, Figure 2.1 on page 2-2.

•The SLC 5/03 illustration in Figure 2.3 on page 2-4 has been reduced 50

percent.

Chapter 3 •The note on page 3-9 has been replaced with a new note.

•The Figure 3.2 heading on page 3-11 has been changed to include 1336

PLUS.

•The 9-pin D-shell in Figure 3.6 on page 3-14 has been changed to match

the same in Figure 3.5.

•The range (7.5 – 500HP) has been removed from the first heading on

page 3-17.

Chapter 5 •Three new tables have replaced Table 5.B on page 5-3.

•The first paragraph on page 5-4 has been changed to accommodate the

three new tables preceding this text.

•A sentence has been added to the end of Item 3, Parameter Read Full, on

page 5-4.

•The Item 8 heading, System File, on page 5–5, has been changed to

System Area.

Chapter 6 •The Figure 5.1 heading on page 6-1 has been changed to Figure 6-1, and

the figure reference in the first paragraph has changed likewise.

•The Table 5.C heading on page 6-2 has changed to Table 6.A.

Notes A Notes section has been added to the end of this document.

Summary of Changes

This Page Intentionally Left Blank

Table of Contents

Introduction Chapter 1

Manual Objectives 1-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Who Should Use This Manual 1-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Vocabulary 1-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Firmware Support 1-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Manual Organization 1-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Safety Precautions 1-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Serial Device Compatibility 1-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Product Description Chapter 2

Chapter Objectives 2-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Module Description 2-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SCANport Device Compatibility 2-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Configuration Switches 2-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Installation Chapter 3

Chapter Objectives 3-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Setting Module Configuration Switches 3-1. . . . . . . . . . . . . . . . . . . . . . .

Factory Switch Settings 3-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Switch SW1 3-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Switch SW2 3-6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Switch SW3 3-8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Mounting the Communications Module 3-10. . . . . . . . . . . . . . . . . . . . . . .

Enclosed Style Communications Module Dimensions 3-12. . . . . . . . . . . .

Cable Connections 3-13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

RS485/RS422/RS232 Connection Examples 3-13. . . . . . . . . . . . . . .

SCANport Link Connection 3-16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Cable Requirements 3-16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1305 Drive 3-16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1336 PLUS and 1336 FORCE 3-17. . . . . . . . . . . . . . . . . . . . . . . . . . .

SMP 3 3-17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Power Supply Connections 3-18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SCANport Datalink Operation Chapter 4

Chapter Objectives 4-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SCANport Datalinks. 4-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Table of Contents

Configuration and Interfacing Chapter 5

Chapter Objectives 5-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Basic Operation 5-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Communications Module Data Table Structure and Supported

PCCC Command List 5-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Configuration Examples 5-8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

DF1 Messaging with a PLC-5/80 Example

(Read Parameters 1 through 50) 5-8. . . . . . . . . . . . . . . . . . . . . . . . .

DF1 Messaging with a 1746-BAS Module Example

(Write 10 Parameters then read 10 parameters) 5-10. . . . . . . . . . . . . .

Troubleshooting Chapter 6

Chapter Objectives 6-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Specifications Chapter 7

Chapter Objectives 7-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Product Specifications 7-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Module Compatibility 7-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

PLC, PLC-2, PLC-3, and PLC-5 are registered trademarks of

Allen-Bradley Company, Inc.

SMC, PLC-2/30, PLC-5/10, PLC-5/15, PLC-5/25, PLC-5/30, PLC-5/40,

PLC-5/40L, PLC-5/60L, PLC-5/80, and PLC-5/250 are trademarks of

Allen-Bradley Company, Inc.

SCANport is a registered trademark of Allen-Bradley Company, Inc.

SLC 500, SLC-5/02, and SLC-5/03 are registered trademarks of

Allen-Bradley Company, Inc.

Chapter

1-1

Introduction

Manual Objectives The purpose of this manual is to provide you with the necessary

information to apply the Serial Communications Module which is available

for products that include the SCANporttcommunications port. Described

in this manual are methods for installing, configuring, and troubleshooting

the Serial Communications Module.

For information on specific features of Allen-Bradley products mentioned

herein, refer to the product user manual.

IMPORTANT: This manual should be read in its entirety before installing,

operating, servicing, or initializing the Serial Communications Module.

Who Should Use This Manual This manual is intended for qualified service personnel responsible for

setting up and servicing of these devices. You must have previous

experience with and a basic understanding of communications terminology,

configuration procedures, required equipment, and safety precautions.

To make efficient use of this Communications Module, you must be able to

program and operate serial communications devices, as well as have a

basic understanding of the parameter settings and functions of the device to

which you are communicating.

Vocabulary In this manual we refer to the:

SSerial Communications Module as “Communications Module.”

SVariable Frequency AC Drive (Bulletin 1305, 1336 FORCE, or

1336 PLUS) as the “Drive” or “SCANport device”.

SProgrammable Logic Controller as the “Programmable Controller” or

“PLC”.

SEarth Ground as “GND”.

Firmware Support This manual supports communications module firmware versions 1.xx (the

“xx” designator may vary). Features that work with specific firmware

versions will be denoted as such.

Chapter 1

Introduction

1-2

Manual Organization This manual is divided into chapters as detailed in Table 1.A.

Table 1.A

Manual Organization and Topics

Chapter Title Topics Covered Related Tasks

1 Introduction Manual objectives, audience, vocabulary,

firmware support information, manual

organization, safety precautions, and serial

device compatibility

2Product Description Communications Module features,

configuration, and diagnostics

3 Installation Mounting, power connections, switch

configuration, cabling, and hardware

4SCANport Datalink Operation Configuring SCANport device Datalinks,

Datalink operation

5Configuration and Interfacing Addressing, information transfer, and sample

programs

6 Troubleshooting LED indications and fault descriptions

7 Specifications Environmental, electrical, and communications

specifications

Safety Precautions

ATTENTION: Only personnel familiar with SCANport devices

and associated machinery should plan or implement the

installation, start-up, configuration, and subsequent maintenance of

the serial communications module. Failure to comply may result in

personal injury and/or equipment damage.

ATTENTION: This Module contains ESD (Electrostatic

Discharge) sensitive parts and assemblies. Static control

precautions are required when installing, testing, servicing, or

repairing this assembly. Component damage may result if ESD

control procedures are not followed. If you are not familiar with

static control procedures, reference Allen-Bradley Publication

8000–4.5.2, Guarding Against Electrostatic Damage or any other

applicable ESD protection handbook.

Chapter 1

Component Test Procedures

1-3

Serial Device Compatibility This Communications Module is intended for use with devices that

communicate via the following protocols:

Hardware Standard Communications Protocol

RS232 DF1

RS422 DF1

RS485 DF1

IMPORTANT: “DF1” protocol is typically used with Allen-Bradley

PLCprogrammable controllers.

Chapter 1

Introduction

1-4

This Page Intentionally Left Blank.

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