Allen-Bradley 1747-ASB User manual

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Instra

RemoteI/O Adapter

Module

Catalog Number 1747-ASB

User Manual

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Important User Information

Because of the variety of uses for the products described in this

publication, those responsible for the application and use of these

products must satisfy themselves that all necessary steps have been

taken to assure that each application and use meets all performance

and safety requirements, including any applicable laws, regulations,

codes and standards. In no event will Rockwell Automation be

responsible or liable for indirect or consequential damage resulting

from the use or application of these products.

Any illustrations, charts, sample programs, and layout examples

shown in this publication are intended solely for purposes of

example. Since there are many variables and requirements associated

with any particular installation, Rockwell Automation does not assume

responsibility or liability (to include intellectual property liability) for

actual use based upon the examples shown in this publication.

Allen-Bradley publication SGI-1.1, Safety Guidelines for the

Application, Installation and Maintenance of Solid-State Control

(available from your local Rockwell Automation office), describes

some important differences between solid-state equipment and

electromechanical devices that should be taken into consideration

when applying products such as those described in this publication.

Reproduction of the contents of this copyrighted publication, in whole

or part, without written permission of Rockwell Automation, is

prohibited.

Throughout this publication, notes may be used to make you aware of

safety considerations. The following annotations and their

accompanying statements help you to identify a potential hazard,

avoid a potential hazard, and recognize the consequences of a

potential hazard:

Allen-Bradley is a trademark of Rockwell Automation

WARNING

Identifies information about practices or

circumstances that can cause an explosion in a

hazardous environment, which may lead to personal

injury or death, property damage, or economic loss.

ATTENTION

Identifies information about practices or

circumstances that can lead to personal injury or

death, property damage, or economic loss.

IMPORTANT Identifies information that is critical for successful

application and understanding of the product.

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1Publication 1747-UM006B-EN-P - June 2003

Summary of Changes

The information below summarizes the changes to this manual since

the last printing as Publication 1747-6.13 - December 1996.

To help you find new information and updated information in this

release of the manual, we have included change bars as shown to the

right of this paragraph.

New Information

For This New Information See Page

Updated table of compatible scanners 1-9

Updated table of compatible RIO adapters 1-9

Updated list of compatible modules 1-10

Added primary/complementary chassis

information for SW2 2-3

Clarified DIP SW setting 4-5

C-Tick certification A-1

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Publication 1747-UM006B-EN-P - June 2003

2 Summary of Changes

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iPublication 1747-UM006B-EN-P - June 2003

Table of Contents

Preface

Who Should Use this Manual- . . . . . . . . . . . . . . . . . . . . . . . . 1

Purpose of this Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Contents of this Manual . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Related Documentation . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Terms and Abbreviations. . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Common Techniques Used in this Manual . . . . . . . . . . . . . . . 5

Rockwell Automation Support . . . . . . . . . . . . . . . . . . . . . . . . 6

Your Questions or Comments on this Manual . . . . . . . . . . 6

Chapter 1

Overview

1747-ASB Module Overview . . . . . . . . . . . . . . . . . . . . . . . 1-1

Remote I/O Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

How The Scanner Interacts With Adapters . . . . . . . . . . 1-2

Scanner I/O Image Division . . . . . . . . . . . . . . . . . . . . . 1-4

Crossing Logical Rack Boundaries. . . . . . . . . . . . . . . . . 1-4

Creating More Than One Logical Device by

Crossing a Logical Rack Boundary . . . . . . . . . . . . . . . 1-5

Transferring Data With RIO Discrete and Block Transfers 1-6

RIO Discrete Transfer Example. . . . . . . . . . . . . . . . . . . 1-7

Physical and Logical RIO Link Specifications . . . . . . . . . 1-8

Extended Node Capability . . . . . . . . . . . . . . . . . . . . . . 1-8

Compatible RIO Scanners. . . . . . . . . . . . . . . . . . . . . . . 1-9

Compatible RIO Adapters . . . . . . . . . . . . . . . . . . . . . . . . . 1-9

Compatible Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10

1747-ASB Module Feature . . . . . . . . . . . . . . . . . . . . . . . . . 1-10

Hardware Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-11

Status Display and LEDs. . . . . . . . . . . . . . . . . . . . . . . . 1-11

DIP Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-11

RIO Link and Processor Restart Lockout Connector . . . . 1-13

Door Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-13

Self-Locking Tabs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-13

Cable Tie Slots. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-13

Chapter 2

Quick Start for Experienced Users

Required Tools and Equipment . . . . . . . . . . . . . . . . . . . . . 2-1

Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2

SW1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3

SW2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3

SW3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3

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Publication 1747-UM006B-EN-P - June 2003

ii Table of Contents

Chapter 3

Addressing

Chassis Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

Slot Numbering. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2

Addressing I/O Modules . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2

2-Slot Addressing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4

2-Slot Addressing Considerations . . . . . . . . . . . . . . . . . 3-5

2-Slot Addressing Examples . . . . . . . . . . . . . . . . . . . . . 3-6

1-Slot Addressing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7

1-Slot Addressing Considerations . . . . . . . . . . . . . . . . . 3-8

1-Slot Addressing Examples . . . . . . . . . . . . . . . . . . . . . 3-9

1/2-Slot Addressing . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10

1/2-Slot Addressing Considerations. . . . . . . . . . . . . . . . 3-11

1/2-Slot Addressing Examples. . . . . . . . . . . . . . . . . . . . 3-12

How I/O Module Images Are Mapped . . . . . . . . . . . . . . . . 3-13

How Discrete I/O Modules Are Mapped . . . . . . . . . . . . 3-13

How Specialty I/O Module Images Are Mapped . . . . . . 3-14

When Block Transfer Mode is Selected . . . . . . . . . . . . . 3-14

When Discrete Mode is Selected. . . . . . . . . . . . . . . . . . 3-15

Chapter 4

Configuration

DIP Switch Information . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1

DIP Switch SW1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2

Logical Group Number (SW1-7,8). . . . . . . . . . . . . . . . . 4-4

DIP Switch SW2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4

Primary/Complementary Chassis (SW2-3) . . . . . . . . . . . 4-5

Reserved (SW2-4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-9

Special Image and Chassis Size Considerations. . . . . . . . . . 4-13

Not Enough 1747-ASB Module Image to Map All of the

Available Slots . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-13

1747-ASB Image Size Exceeds Slot Requirements. . . . . . 4-14

One Slot of Pair is Present, and 1747-ASB Module Image is

Available for Both Slots . . . . . . . . . . . . . . . . . . . . . . . . 4-14

Both Slots Of A Pair Are Available But There Is Only Enough

1747-ASB Module Image Space Available For One Slot . 4-15

DIP Switch SW3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-15

Processor Restart Lockout (SW3-2) . . . . . . . . . . . . . . . . 4-17

Addressing Mode (SW3-5,6) . . . . . . . . . . . . . . . . . . . . . 4-20

Specialty I/O Mode (SW3-7). . . . . . . . . . . . . . . . . . . . . 4-21

I/O Module Keying (SW3-8). . . . . . . . . . . . . . . . . . . . . 4-21

Switch Setting Summary . . . . . . . . . . . . . . . . . . . . . . . . . . 4-22

SW2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-22

SW3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-23

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Publication 1747-UM006B-EN-P - June 2003

Table of Contents iii

Chapter 5

Installation and Wiring

European Union Direct Compliance. . . . . . . . . . . . . . . . . . 5-1

EMC Directive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1

Installing the1747-ASB Module . . . . . . . . . . . . . . . . . . . . . 5-1

Link Wiring. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2

Correct Link Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3

Incorrect Link Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3

Link Termination . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4

Wiring a Processor Restart Lockout Switch . . . . . . . . . . . . . 5-5

I/O Module Addressing Labels. . . . . . . . . . . . . . . . . . . . . . 5-6

Using a PLC as a Master . . . . . . . . . . . . . . . . . . . . . . . . 5-6

Using an SLC as a Master . . . . . . . . . . . . . . . . . . . . . . . 5-6

Octal Label Kit Installation. . . . . . . . . . . . . . . . . . . . . . . . . 5-7

Applying the Octal Filter Label . . . . . . . . . . . . . . . . . . . 5-7

Applying the Octal Door Label . . . . . . . . . . . . . . . . . . . 5-7

Octal Kit and I/O Module Information . . . . . . . . . . . . . 5-8

Chapter 6

Start-Up and Operation

System Start-Up. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1

Powerup and Initialization Sequences . . . . . . . . . . . . . . . . 6-1

Save Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2

Check Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2

Normal Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-3

Communication Exception . . . . . . . . . . . . . . . . . . . . . . . . 6-3

Inhibit Condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-4

Remote Expansion Chassis Power Loss . . . . . . . . . . . . . . . 6-6

Invalid RIO Link Transfers. . . . . . . . . . . . . . . . . . . . . . . . . 6-6

RIO Discrete or Block Transfers To Empty or

Nonexistent Chassis Slots . . . . . . . . . . . . . . . . . . . . . . 6-6

RIO Discrete Transfers To Block Transfer Chassis Slots . 6-7

RIO Block Transfers To Discrete Chassis Slots. . . . . . . . 6-7

Invalid Length RIO Block Transfers. . . . . . . . . . . . . . . . 6-7

Testing the 1747-ASB Module . . . . . . . . . . . . . . . . . . . . . . 6-7

I/O Module Insertion into a Slot . . . . . . . . . . . . . . . . . . 6-9

I/O Module Removal from a Scanned Slot. . . . . . . . . . . 6-9

I/O Module Removal from an Unscanned Slot. . . . . . . . 6-10

Chapter 7

Troubleshooting

Troubleshooting Introduction . . . . . . . . . . . . . . . . . . . . . . 7-1

Contacting Rockwell Automation . . . . . . . . . . . . . . . . . . . . 7-2

Status Operating Codes for Normal Operating Conditions . . 7-2

Error Codes for Error Conditions . . . . . . . . . . . . . . . . . . . . 7-3

DIP Switch Configuration Mismatch Fault Codes - Codes

1 and 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-5

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Publication 1747-UM006B-EN-P - June 2003

iv Table of Contents

I/O Module Configuration Mismatch

Fault Codes - Code 3 . . . . . . . . . . . . . . . . . . . . . . . . . . 7-7

I/O Runtime Fault Codes - Code 4 . . . . . . . . . . . . . . . . 7-8

Chapter 8

Application Examples

Basic SLC 500 Example Using and RIO Scanner . . . . . . . . . 8-1

RIO Device Configuration . . . . . . . . . . . . . . . . . . . . . . 8-2

SLC Processor Image . . . . . . . . . . . . . . . . . . . . . . . . . . 8-3

1747-ASB Module Configuration Details . . . . . . . . . . . . 8-4

1747-ASB Module I/O Mapping Details. . . . . . . . . . . . . 8-4

RIO Address Label Examples . . . . . . . . . . . . . . . . . . . . 8-5

Application Example Program . . . . . . . . . . . . . . . . . . . 8-7

Basic SLC 500 Example Using and RIO Scanner . . . . . . . . . 8-7

RIO Device Configuration . . . . . . . . . . . . . . . . . . . . . . 8-9

SLC Processor Image . . . . . . . . . . . . . . . . . . . . . . . . . . 8-10

1747-ASB Module 1 Configuration Details . . . . . . . . . . . 8-10

1747-ASB Module 2 Configuration Details . . . . . . . . . . . 8-11

1747-ASB Module 1 I/O Mapping Details . . . . . . . . . . . 8-12

1747-ASB Module 2 I/O Mapping Details . . . . . . . . . . . 8-12

RIO Address Label Examples . . . . . . . . . . . . . . . . . . . . 8-13

Application Example Program . . . . . . . . . . . . . . . . . . . 8-15

PLC-5 Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-16

RIO Device Configuration . . . . . . . . . . . . . . . . . . . . . . 8-17

PLC Processor Image . . . . . . . . . . . . . . . . . . . . . . . . . . 8-18

1747-ASB Module 1 Configuration Details . . . . . . . . . . . 8-19

1747-ASB Module 2 Configuration Details . . . . . . . . . . . 8-20

1747-ASB Module 1 I/O Mapping Details . . . . . . . . . . . 8-21

1747-ASB Module 2 I/O Mapping Details . . . . . . . . . . . 8-22

RIO Address Label Examples . . . . . . . . . . . . . . . . . . . . 8-23

Application Example Program . . . . . . . . . . . . . . . . . . . 8-24

Appendix A

Specifications

Appendix B

Differences Between the

1747-ASB Module and the

1771-ASB Series C Module

Appendix C

DIP Switch and Address

Configuration Worksheets

Index

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1Publication 1747-UM006B-EN-P - June 2003

Preface

Read this preface to familiarize yourself with the rest of the manual.

This preface covers the following topics:

•who should use this manual

•the purpose of this manual

•terms and abbreviations

•conventions used in this manual

•Rockwell Automation support

Who Should Use this

Manual-

Use this manual if you are responsible for designing, installing,

programming, or troubleshooting control systems that use

Allen-Bradley small logic controllers.

You should have a basic understanding of PLC®and SLC®500

products. You should understand programmable controllers and be

able to interpret the ladder logic instructions required to control your

application. If you do not, contact your local Allen-Bradley®

representative for information on available training courses before

using this product.

Purpose of this Manual

This manual is a learning and reference guide for the remote I/O

adapter module. It describes the procedures you use to address,

configure, install, and operate the 1747-ASB remote I/O adapter

module.

Contents of this Manual

Chapter Title Contents

Preface Describes the purpose, background, and scope of

this manual. Also specifies the audience for

whom this manual is intended.

1 Overview Explains and illustrates the theory behind the

1747-ASB module's operation. Covers hardware

and software features, compatible devices, and

setup.

2 Quick Start for

Experienced Users Serves as a Quick Start Guide for the 1747-ASB

module.

3 Addressing Gives a chassis overview, and explains slot

numbering, I/O module image mapping, 2-slot,

1-slot, and 1/2-slot addressing.

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