Allen-Bradley D Series Bedienungsanleitung

Remote I/O Adapter Module

Cat. No. 1771ASB Series D

User Manual

Allen-Bradley PLCs

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

publication, those responsible for the application and use of this control

equipment 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.

The illustrations, charts, sample programs and layout examples shown in

this guide are intended solely for example. Since there are many variables

and requirements associated with any particular installation, Allen-Bradley

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 Allen-Bradley office) describes some important

differences between solid-state equipment and electromechanical devices

which 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

in part, without written permission of Allen–Bradley Company, Inc.

is prohibited.

Throughout this manual we make notes to alert you to possible injury to

people or damage to equipment under specific circumstances.

ATTENTION: Identifies information about practices or

circumstances that can lead to personal injury or death, property

damage or economic loss.

Attention helps 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.

Important: We recommend you frequently backup your application

programs on appropriate storage medium to avoid possible data loss.

Important User Information

Summary of Changes

S-1

Summary of Changes

This release of the publication covers the series D Remote I/O Adapter

module (cat. no. 1771-ASB). The series D module has new firmware

which provides faster link turnaround time.

Updated Information

This release also includes information previously included in the following

release notes:

publication 1771-6.5.83–RN1 dated May 1992

publication 1771-6.5.83–RN2 dated July 1993

To help you find new and updated information in this release of the

publication, we have included change bars as shown to the right of this

paragraph.

Summary of Changes

Allen-Bradley PLCs

Summary of Changes S1. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Using This Manual P1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Preface

Objectives

P1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

What This Manual Contains P1

. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Audience P1

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Terminology Used in This Manual P2

. . . . . . . . . . . . . . . . . . . . . . . .

Product

Compatibility

P3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Publications

P4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Summary P4

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Introducing the Remote I/O Adapter Module 11. . . . . . . . . . .

Chapter

Objectives

11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Module Description and Features 11

. . . . . . . . . . . . . . . . . . . . . . . .

Hardware Components 12

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Summary 13

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Installing

our Module 21. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Chapter

Objectives

21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Power Requirements 21

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Module Location and Keying 21

. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Setting the Module Configuration Plugs 22

. . . . . . . . . . . . . . . . . . . .

Setting the Module Switches 23

. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Setting

the I/O Chassis Switches

29. . . . . . . . . . . . . . . . . . . . . . . . .

Setting the I/O Chassis Power Supply Configuration Plug 212

. . . . . . .

Wiring the Field Wiring Arm 212

. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Installing the Terminator 214

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Compatibility

of 1771 Remote I/O Products with

Extended Node Numbers 214. . . . . . . . . . . . . . . . . . . . . . . . . . .

Module

Installation

215. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Addressing Modes for Your Remote I/O 31. . . . . . . . . . . . . . .

Chapter

Objectives

31. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Hardware Addressing 31

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2Slot Addressing 33

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Complementary

I/O with 2Slot Addressing

39. . . . . . . . . . . . . . . . . .

1Slot Addressing 313

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Assigning I/O Rack Numbers with 1Slot Addressing 317

. . . . . . . . . . .

1/2 Slot Addressing 319

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Complementary

I/O with 1/2Slot Addressing

322. . . . . . . . . . . . . . . .

Mixing 1 and 2Slot Addressing in Individual Chassis 323

. . . . . . . . . . .

Table of Contents

Table of Contentsii

Acceptable Chassis Combinations 324. . . . . . . . . . . . . . . . . . . . . . . .

I/O Chassis/Adapter Module Combinations 325

. . . . . . . . . . . . . . . . . .

Summary 325

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Troubleshooting 41. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Chapter

Objectives

41. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Troubleshooting With the Indicator Lights 41

. . . . . . . . . . . . . . . . . . .

Summary 43

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Specifications A1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Settings for 1771-AS and 1771-ASB

Series A, B and C Remote I/O Adapters B1. . . . . . . . . . .

General

Information

B1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Allen-Bradley PLCs

Preface

P-1

Using This Manual

Read this preface to familiarize yourself with this manual and to learn how

to use it properly and efficiently.

The contents of this manual are as follows:

Table P.A

What

This Manual Contains

Chapter Title What's Covered

1Introducing the Remote I/O Adapter

Module

Describes features, capabilities, and hardware

components.

2Installing Your Module Procedures and guidelines for installing the module

3Configuring Your Remote I/O Hardware addressing and configuration options

4 Troubleshooting Troubleshooting aids

Appendix

A Specifications Module specifications

BSettings for 1771-AS and -ASB/A

and B

Comparable switch settings and keying information for

older adapters

We assume that you have previously used an Allen–Bradley programmable

controller, that you are familiar with its features, and that you are familiar

with the terminology we use. If not, read the user manual for your

processor before reading this manual.

Preface

Objectives

What This Manual Contains

Audience

Preface

Using This Manual

P-2

The following list defines common terms used in this manual.

Complementary I/O: An I/O technique that allows a PC to interface with

an input and output module using the same location address in different I/O

chassis.

Complementary Module: A module that performs an opposite function;

an input module complements an output module and vice versa.

Standard–Density I/O Module: A module that provides up to 8 input

terminals or 8 output terminals.

High–Density I/O Module: A module that provides 16 input or 16 output

terminals.

Quad–Density I/O Module: A module that provides 32 input or 32 output

terminals.

I/O Group: An addressing unit that can contain up to 16 input terminals

and 16 output terminals.

PC: An Allen–Bradley programmable controller, such as the PLC–5.

Processor: A term used to mean an Allen–Bradley programmable

controller.

Half–Slot Addressing: A method of addressing where the processor can

address its I/O in 1/2–slot I/O groups.

One–Slot Addressing: A method of addressing where the processor can

address its I/O in 1–slot I/O groups.

Two–Slot Addressing: An method of addressing where the processor can

address its I/O in 2–slot I/O groups.

Terminology

Used in This

Manual

Allen-Bradley PLCs

Preface

Using This Manual

P-3

The remote I/O adapter module is one of many hardware components that

make up a programmable controller system. Table P.B lists the hardware

components and products with which you can use the adapter module.

Table P.B

Compatible

Hardware Products

Product name Description Catalog number

Processors PLC-2/20 Programmable Controller

PLC-2/30 Programmable Controller

PLC-3 Programmable Controller System

PLC-5 Programmable Controller Family

PLC-5/250 Programmable Controller (Pyramid Integrator)

1772-LP1, -LP2

1772-LP3

1775-L3

1785-LT, -LT2, 6008-LTV

5250-LP

I/O Scanners Remote I/O Scanner/Distribution Panel for PLC-2 Family Processors

I/O Scanner-Programmer Interface Module for PLC-3 Family

Processors

I/O Scanner-Message Handling Module for PLC-3 Family Processors

VMEbus I/O Scanner

IBM PC I/O Scanner

Q-bus PC I/O Scanner

Sub-I/O Scanner

Pyramid Integrator Remote I/O Scanner

1772-SD, -SD2

1775-S4A, -S5

1775-S4B, -GA

6008-SV

6008-SI

6008-SQ

1771-SN

5150-RS

Universal I/O

Chassis

4-slot

8-slot

12-slot

16-slot

1771-A1, -A1B

1771-A2, -A2B

1771-A3B, A3B1

1771-A4, -A4B

I/O Modules Block transfer modules

8-point I/O Standard density I/O modules

16-point I/O High density I/O modules

32-point I/O Quad-Density I/O modules

Block I/O modules (cat. no. 1791)

All modules that use the 1771

I/O structure

Adapter modules Remote I/O Adapter Module (can mix 1771-ASB/B and 1771-AS in

same remote system - limited to 115.2k Baud or less)

1771-AS

Power Supplies System power supply

Auxiliary power Supply

Auxiliary Power Supply module (120V AC input, 3A)

Auxiliary Power Supply module (120V AC input, 8A)

Redundant Power Supply module

Auxiliary Power Supply module (24V DC input, 8A)

Auxiliary Power Supply module (220/240V AC input, 8A)

Auxiliary Power Supply module (120/220V AC input, 16A)

PLC-2 Power Supply (115V AC input)

PLC-2 Power Supply (24V DC input)

Local Power Supply

PLC-3 Power Supply

Auxiliary Power Supply (24V DC input)

1771-P1

1771-P2

1771-P3

1771-P4, -P4S, -P4S1

1771-P4R

1771-P5

1771-P6S, -P6S1

1771-PS7

1772-P1

1772-P4

1774-P1

1775-P1

1777-P4

Product Compatibility

Preface

Using This Manual

P-4

Read this manual in conjunction with the following documentation:

Publicatin Number Title

1770-4.1 Programmable Controller Grounding and Wiring Guidelines

1771-2.210 Universal I/O Chassis Product Data

1772-6.6.2 PLC-2/20 and 2/30 Assembly and Installation Manual

1772-6.8.1 PLC-2/20 Programming and Operations Manual

1772-6.8.3 PLC-2/30 Programming and Operations Manual

1772-2.8 Remote I/O Scanner/Distribution Panel Product Data

1772-2.18 Remote I/O Scanner/Distribution Panel Product Data

1775-6.7.1 PLC-3 Controller Installation and Operations Manual

1775-6.3.1 PLC-3 Controller Backup Concepts Manual

1775-6.5.2 I/O Scanner-Programmer Interface Module User's Manual

1775-6.5.3 I/O Scanner-Message Handling Module User's Manual

1785-6.6.1 PLC-5 Family Assembly and Installation Manual

5000-6.4.7 PLC-5/250 Installing and Configuring Manual

6008-6.2.1 Q-bus I/O Scanner Module Installation Manual

6008-6.5.2 VME I/O Scanner Module User's Manual

6008-6.5.3 IBM PC I/O Scanner Module User's Manual

For a complete list of Allen–Bradley documentation, refer to Publication

SD499, PC Publication Index.

This chapter gave you information on how to use this manual efficiently.

The next chapter introduces you to the remote I/O adapter module.

Publications

Summary

Allen-Bradley PLCs

Chapter 1

1-1

Introducing the Remote I/O Adapter Module

This chapter describes the cat. no. 1771-ASB, series D remote I/O adapter

module:

module description and features

hardware components

The remote I/O adapter module serves as an interface between remote I/O

modules and programmable controllers. The remote I/O adapter:

transmits data up to 10,000 cable-feet (at 57.6K baud)

provides faster backplane scanning and data transmission up 2500

cable-feet at 230.4K baud

receives/sends data from/to the I/O scanner in serial form

reads/writes data from/to the input modules in parallel form

reads/writes data from/to the output modules in parallel form

supports any mix of I/O (4, 6, 8, 16 or 32 points)

supports three methods of I/O addressing; 1/2-slot, 1-slot and 2-slot

checks I/O configuration on power-up to verify I/O module placement

scans all slots in the chassis, or all but the last four slots, allowing

improved scan time and I/O image space savings. Slot power supplies

can be used in the last quarter of the rack without using I/O space.

can emulate series B adapters, providing system response similar to the

1771-ASB series B. This allows use of 1771-S4A and -S4B scanners

which require slower response for proper operation.

has enhanced diagnostic indicators for easier troubleshooting.

Chapter

Objectives

Module Description and

Features

Andere Handbücher für D Series

Dieses Handbuch passt für folgende Modelle

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