Allen-Bradley Series B Bedienungsanleitung

User

Manual

Thermocouple/mV

Isolated Input

Module

(Cat. No. 1746-INT4 Series B)

Allen-Bradley

Solid state equipment has operational characteristics differing from those

of electromechanical equipment. “Safety Guidelines for the Application,

Installation and Maintenance of Solid State Controls” (Publication

SGI-1.1) describes some important differences between solid state

equipment and hard–wired electromechanical devices. Because of this

difference, and also because of the wide variety of uses for solid state

equipment, all persons responsible for applying this equipment must

satisfy themselves that each intended application of this equipment is

acceptable.

In no event will the Allen-Bradley Company be responsible or liable for

indirect or consequential damages resulting from the use or application

of this equipment.

The examples and diagrams in this manual are included solely for

illustrative purposes. 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 on the

examples and diagrams.

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

use of information, circuits, equipment, or software described in this

manual.

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

written permission of the Allen-Bradley Company is prohibited.

Throughout this manual we use notes to make you aware of safety

considerations.

!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.

SLC, SLC 500, and SLC 5/02 are trademarks of Allen-Bradley Company, Inc.

Important User Information

Summary of Changes

SOC–1

Publication 1746-6.16 – January 1999

Summary of Changes

This publication contains new and revised information not included in the

previous version.

New Information

The Thermocouple/mV Isolated Input module, cat. no. 1746-INT4 is now a

series B module. The series B module is identical to the series A module

with the exception that the series B module is CE certified and has CSA

hazardous location approval (refer to Appendix A for complete ratings).

Compliance with European Union Directives

This series B module complies with the directives outlined in Chapter 1 of

this document.

CSA Hazardous Location Approval

This series B module complies with CSA classifications as outlined under

Specifications in Appendix A.

Revised Information

This publication also contains information formally included in a document

update, publication 1746-6.16–DU1.

Change Bars

The areas in this manual which are different from previous editions are

marked with change bars (as shown to the right of this paragraph) to indicate

the addition of new or revised information.

Allen-Bradley

Summary of Changes

SOC–2 Publication 1746-6.16 – January 1999

Preface

P–1

Publication 1746-6.16 – January 1999

Preface

Read this preface to familiarize yourself with the manual.

This preface covers the following topics:

•who should use this manual

•purpose and contents of this manual

•format conventions used in this manual

•terms and abbreviations

•Allen-Bradley support

Use this manual if you are responsible for the design, installation,

programming, or maintenance of an automation control system that uses

Allen-Bradley small logic controllers.

You should have a basic understanding of SLC 500products. You should

understand electronic process control 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 training before using this product.

This manual is a learning and reference guide for the 1746-INT4

Thermocouple/mV Isolated Input Module. It contains the information you

need to program, install, wire, and troubleshoot the module.

Who Should Use this Manual

Purpose and Contents

of this Manual

Allen-Bradley

Preface

P–2 Publication 1746-6.16 – January 1999

Contents of this Manual

Chapter Title Content

1 Overview Describes module hardware features, and

operation.

2Quick Start Serves as a Quick Start Guide for this module.

3Installation and Wiring Provides installation information and wiring

guidelines.

4Preliminary Operating

Considerations Describes the module ID code, I/O image words

used by the module, input channel characteristics,

and response to slot disabling.

5Accessing Files

to Configure I/O Describes how to use the software to create a new

file and configure I/O for system hardware.

6Channel Configuration,

Data, and Status

Describes configuration and status words used by

the module. Explains how the module uses

configuration data and generates status during

operation.

7Ladder Programming

Examples

Gives ladder logic examples for configuring and

operating the module that include verifying changes

in configuration, using the PID instruction,

monitoring status bits, and enabling autocalibration.

8Module Diagnostics and

Troubleshooting Explains how to interpret LEDs and correct

problems that may occur while using the module.

9Application Programming

Examples Describes how to write ladder logic to achieve

desired results for two example applications.

Appendices Title Content

AModule Specifications Provides physical, electrical, environmental, and

functional specifications for the module.

BChannel Configuration

Worksheets Provides a worksheet to help you configure each

channel for operation.

CThermocouple Descriptions Gives you information about thermocouples and

the environments in which they perform best.

DChannel Calibration Gives you the procedure to calibrate input

channels.

EList of Terms and

Abbreviations Gives you the terms and abbreviations used in this

manual.

FCSA Hazardous Information Gives you the definition of the CSA hazardous

classification.

The following conventions are used throughout this manual:

•Bulleted lists such as this one provide information, not procedural steps.

•Numbered lists provide sequential steps or hierarchical information.

•Text in this

font

indicates words or phrases you should type.

•Key names appear in bold, capital letters within brackets (for example,

[ENTER]).

Format Conventions

Used in this Manual

Preface

P–3

Publication 1746-6.16 – January 1999

Related Documentation

The following documents contain information that may be helpful to you as

you use Allen-Bradley SLC products. To obtain a copy of any of those

listed, contact your local Allen-Bradley office or distributor.

For Read this Document Document

Number

An overview of the SLC 500 family of products SLC 500 System Overview 1747-2.30

A description on how to install and use your Modular SLC 500

programmable controller Installation & Operation Manual for Modular

Hardware Style Programmable Controllers 1747-6.2

A description on how to install and use your Fixed SLC 500

programmable controller Installation & Operation Manual for Fixed Hardware

Style Programmable Controllers 1747-NI001

A procedural manual for technical personnel who use APS to

develop control applications Allen-Bradley Advanced Programming Software

(APS) User Manual 9399-APSUM

A reference manual that contains status file data, instruction

set, and troubleshooting information about APS Allen-Bradley Advanced Programming Software

(APS) Reference Manual 1747-6.15

An introduction to APS for first–time users, containing basic

concepts but focusing on simple tasks and exercises, and

allowing the reader to begin programming in the shortest time

possible Getting Started Guide for APS 9399-APSQS

A training and quick reference guide to APS SLC 500 Software Programmer’s Quick Reference

Guideavailable on PASSPORT at a list price of

$50.00 ABT-1747–TSG001

A procedural and reference manual for technical personnel

who use an HHT to develop control applications Allen-Bradley Hand–Held Terminal User Manual 1747-NP002

An introduction to HHT for first–time users, containing basic

concepts but focusing on simple tasks and exercises, and

allowing the reader to begin programming in the shortest time

possible Getting Started Guide for HHT 1747-NM009

A resource manual and user’s guide containing information

about the analog modules used in your SLC 500 system. SLC 500 Analog I/O Modules User Manual 1746-NM003

An article on wire sizes and types for grounding electrical

equipment National Electrical Code

Published by the

National Fire

Protection

Association of

Boston, MA.

A complete listing of current Allen–Bradley documentation,

including ordering instructions. Also indicates whether the

documents are available on CD-ROM or in multi–languages. Allen-Bradley Publication Index SD499

A glossary of industrial automation terms and abbreviations Allen-Bradley Industrial Automation Glossary AG-7.1

Allen-Bradley

Preface

P–4 Publication 1746-6.16 – January 1999

Allen-Bradley offers support services worldwide, with over 75 Sales/Support

offices, 512 authorized Distributors and 260 authorized Systems Integrators

located throughout the United States alone, plus Allen-Bradley

representatives in every major country in the world.

Local Product Support

Contact your local Allen-Bradley representative for:

•sales and order support

•product technical training

•warranty support

•support service agreements

Technical Product Assistance

If you need to contact Allen-Bradley for technical assistance, please review

the information in the Module Diagnostics and Troubleshooting chapter first.

Then call your local Allen-Bradley representative.

Allen-Bradley

Support Services

Publication 1746-6.16 – January 1999

Chapter 1

General Description 1–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Input

Ranges

1–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Hardware

Features

1–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Diagnostic LEDs 1–4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

System Overview 1–4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

System

Operation

1–4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Module

Operation

1–5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Module

Addressing

1–5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Compatibility

with Thermocouple and Millivolt Devices and Cables

1–5.

Block

Diagram of Isolated Channel Input Circuits

1–6. . . . . . . . . . . . .

Chapter 2

Required

ools and Equipment

2–1. . . . . . . . . . . . . . . . . . . . . . . . . .

Procedures 2–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Chapter 3

Electrostatic Damage 3–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Power Requirements 3–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Considerations

for a Fixed Controller

3–2. . . . . . . . . . . . . . . . . . . . . .

Module

Installation and Removal

3–3. . . . . . . . . . . . . . . . . . . . . . . . .

Terminal Block Removal 3–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Module

Installation Procedure

3–3. . . . . . . . . . . . . . . . . . . . . . . . . . .

Wiring

the Module

3–4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Cold Junction Compensation (CJC) 3–5. . . . . . . . . . . . . . . . . . . . . . .

Wiring

Considerations

3–5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Preparing

and Wiring the Cables

3–6. . . . . . . . . . . . . . . . . . . . . . . . .

Installing

the Ferrite Collar

3–8. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Chapter 4

Module

ID Code

4–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Module

Addressing

4–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Output

Image – Configuration W

ords 4–2. . . . . . . . . . . . . . . . . . . . . .

Input

Image – Data W

ords and Status W

ords 4–3. . . . . . . . . . . . . . . .

Input Channel Characteristics 4–3. . . . . . . . . . . . . . . . . . . . . . . . . . .

Channel

Cut-of

f Frequency

, Update T

ime, and Step Response

4–3. . .

Effective

Resolution of a Channel and Input Device

4–4. . . . . . . . . . .

Response

to Slot Disabling

4–5. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Input Response 4–5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Output Response 4–5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Notes: 4–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Table of Contents

Module Overview

Quick Start

Installation and Wiring

Preliminary Operating

Considerations

Allen-Bradley

Table of Contentsii

Publication 1746-6.16 – January 1999

Chapter 5

Create

a New File

5-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Configure I/O 5-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Return

to an Existing File

5-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Notes: 5-6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Chapter 6

Channel

Configuration

6–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Selecting

the Correct Data Format

6–3. . . . . . . . . . . . . . . . . . . . . . .

Channel

Configuration Procedure

6–4. . . . . . . . . . . . . . . . . . . . . . . .

Using

Channel Data W

ords 6–4. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Using

Channel Status W

ords 6–6. . . . . . . . . . . . . . . . . . . . . . . . . . .

Detected

Faults Indicated by Bits 12-15

6–8. . . . . . . . . . . . . . . . . . . .

Chapter 7

Processor Basics 7–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Load

Channel Configurations for T

ransfer to the Module

7–2. . . . . . . .

Procedure 7–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Change

a Channel Configuration

7–3. . . . . . . . . . . . . . . . . . . . . . . .

Verify

Changes to a Channel Configuration

7–4. . . . . . . . . . . . . . . . .

Process

a Channel Input with the PID Instruction

7–5. . . . . . . . . . . . .

Monitor

Channel Status Bits

7–6. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Chapter 8

Module

and Channel Diagnostics

8–1. . . . . . . . . . . . . . . . . . . . . . . .

Module

Diagnostics at Power-up

8–1. . . . . . . . . . . . . . . . . . . . . . . . .

Channel Diagnostics 8–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

LED

Indicators

8–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Channel-status LEDs (Green) 8–3. . . . . . . . . . . . . . . . . . . . . . . . . . .

Open-circuit

Detection (Bit 12)

8–3. . . . . . . . . . . . . . . . . . . . . . . . . .

Out-Of-Range

Detection (Bit 13 for under range,

bit 14 for over range)

8–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Invalid

Channel Configuration (Bit 15)

8–3. . . . . . . . . . . . . . . . . . . . .

Module Status LED (Green) 8–3. . . . . . . . . . . . . . . . . . . . . . . . . . . .

TroubleshootingFlowchart 8–4. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Replacement Parts 8–5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Contacting

Allen-Bradley

8–5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Notes: 8–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Accessing Files to Configure

I/O

Channel Configuration, Data,

and Status

Ladder Programming

Examples

Module Diagnostics and

Troubleshooting

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