Allen-Bradley SLC 500 Manual de usuario

SLC 500™ Analog

Input Modules

Catalog Numbers 1746-NI16I and

1746-NI16V

User Manual

Important User Information

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 purposes of 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 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 manual we use notes to make you aware of safety

considerations:

Attention statements help you to:

•identify a hazard

•avoid a hazard

•recognize the consequences

ControlNet is a trademark of Rockwell Automation

SLC 500 is a trademark of Rockwell Automation.

RSLogix 500 is a trademark of Rockwell Automation.

Belden is a trademark of Belden, Inc.

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.

iPublication 1746-UM001A-US-P

Table of Contents

Preface

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

Purpose of this Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . P-1

Contents of this Manual . . . . . . . . . . . . . . . . . . . . . . . . P-2

Related Documentation . . . . . . . . . . . . . . . . . . . . . . . . P-3

Common Techniques Used in this Manual . . . . . . . . . . . . . P-4

Allen-Bradley Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . P-4

Local Product Support . . . . . . . . . . . . . . . . . . . . . . . . . P-4

Technical Product Assistance . . . . . . . . . . . . . . . . . . . . P-4

Your Questions or Comments on this Manual . . . . . . . . P-4

Chapter 1

Overview

General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

Hardware Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

General Diagnostic Features . . . . . . . . . . . . . . . . . . . . . 1-3

System Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

System Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

Module Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4

Module Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4

Chapter 2

Quick Start for Experienced Users

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

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

Chapter 3

Installation and Wiring

Hazardous Location Considerations . . . . . . . . . . . . . . . . . . 3-1

Environnements dangereux . . . . . . . . . . . . . . . . . . . . . . . . 3-2

Electrostatic Damage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2

1746-NI16 Power Requirements . . . . . . . . . . . . . . . . . . . . . 3-3

Module Location in Chassis . . . . . . . . . . . . . . . . . . . . . . . . 3-3

Modular Chassis Considerations . . . . . . . . . . . . . . . . . . 3-3

Fixed Expansion Chassis Considerations . . . . . . . . . . . . 3-3

General Considerations . . . . . . . . . . . . . . . . . . . . . . . . 3-6

Compliance to European Union Directives . . . . . . . . . . . . . 3-6

EMC Directive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6

Module Installation and Removal . . . . . . . . . . . . . . . . . . . . 3-7

Terminal Block Removal . . . . . . . . . . . . . . . . . . . . . . . 3-7

Module Installation Procedure . . . . . . . . . . . . . . . . . . . 3-8

Module Removal Procedure . . . . . . . . . . . . . . . . . . . . . 3-8

Terminal Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9

Terminal Block

Pre wired Cables and Terminal Blocks . . . . . . . . . . . . . 3-9

Wiring Single-Ended Inputs . . . . . . . . . . . . . . . . . . . . . 3-10

Wiring Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12

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Table of Contents ii

Input Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-13

Transducer Source Impedance . . . . . . . . . . . . . . . . . . . 3-13

Wiring Input Devices to the 1746-NI16 . . . . . . . . . . . . . 3-13

Chapter 4

Preliminary Operating

Considerations

Module ID Code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1

Class 1 and Class 3 Interface . . . . . . . . . . . . . . . . . . . . . . . 4-2

Module Addressing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3

Class 1 Memory Map . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3

Class 3 Memory Map . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4

Output Image - Configuration Words . . . . . . . . . . . . . . 4-5

Input Image - Data Words and Status Words. . . . . . . . . 4-5

Module Update Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6

Channel Filter Frequency Selection . . . . . . . . . . . . . . . . . . 4-9

Channel Frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-9

Response to Slot Disabling . . . . . . . . . . . . . . . . . . . . . . . . 4-11

Input Response . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-11

Output Response . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-11

Chapter 5

Channel Configuration, Data, and

Status

Channel Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1

Output Image Channel Configuration Procedure . . . . . . . . 5-2

Channel Configuration Word . . . . . . . . . . . . . . . . . . . . 5-3

Select Channel Enable (Bit 15) . . . . . . . . . . . . . . . . . . . 5-4

Select Channel Filter Frequency (Bits 14 through 12). . . 5-4

Select Calibration Mode (Bits 11 through 9) . . . . . . . . . 5-5

Select Data Format (Bits 8 through 6) . . . . . . . . . . . . . . 5-6

Select Input Type (Bits 5 and 4) . . . . . . . . . . . . . . . . . . 5-6

Unused Bit (Bit 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-6

Class 1 Handshaking (Bit 2) . . . . . . . . . . . . . . . . . . . . . 5-7

Class 1 Data or Status Configuration (Bits 1 and 0) . . . . 5-7

Input Image - Channel Data Word . . . . . . . . . . . . . . . . . . . 5-8

Scaling the Channel Data Word . . . . . . . . . . . . . . . . . . . . . 5-10

Data Type Descriptions . . . . . . . . . . . . . . . . . . . . . . . . 5-10

Scaling Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-12

Engineering Units to Real Units . . . . . . . . . . . . . . . . . . 5-13

Scaled-for-PID to Real Units . . . . . . . . . . . . . . . . . . . . . 5-14

Proportional Counts to Real Units. . . . . . . . . . . . . . . . . 5-14

1746-NI4 Data Format Units to Real Units . . . . . . . . . . . 5-15

User-Defined Scaling Data Format to Real Units . . . . . . 5-15

Channel Status Checking . . . . . . . . . . . . . . . . . . . . . . . . . . 5-16

Class 1 Status Word. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-18

Class 3 Status Word. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-19

Input Word Bit Definitions . . . . . . . . . . . . . . . . . . . . . . . . 5-20

Error Conditions (Bits 15 through 13) . . . . . . . . . . . . . . 5-20

Publication 1746-UM001A-US-P

Table of Contents iii

Filter Frequency (Bits 12 through 10) . . . . . . . . . . . . . . 5-20

Calibrate Channel Status (Bits 9 through 7) . . . . . . . . . . 5-21

Class 1 Handshaking (Bit 6) . . . . . . . . . . . . . . . . . . . . . 5-21

Class 3 Data Format (Bits 6 through 4) . . . . . . . . . . . . . 5-21

Class 1 Data Format (Bits 5 and 4) . . . . . . . . . . . . . . . . 5-21

Input Type (Bits 3 and 2) . . . . . . . . . . . . . . . . . . . . . . . 5-22

Class 1 Data or Status Configuration (Bits 1 and 0) . . . . 5-22

Chapter 6

Module Diagnostics and

Troubleshooting

Module operation vs. Channel Operation . . . . . . . . . . . . . . 6-1

Power-Up Diagnostics. . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1

Channel Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2

Invalid Channel Configuration . . . . . . . . . . . . . . . . . . . 6-2

Out-Of-Range Detection. . . . . . . . . . . . . . . . . . . . . . . . 6-2

Open-Circuit Detection . . . . . . . . . . . . . . . . . . . . . . . . 6-3

LED Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-3

LED State Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-4

Module Status LED (Green) . . . . . . . . . . . . . . . . . . . . . 6-4

Channel Status LEDs (Green) . . . . . . . . . . . . . . . . . . . . 6-5

Error Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-5

Troubleshooting Flowchart . . . . . . . . . . . . . . . . . . . . . . . . 6-6

Replacement parts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-7

Contacting Allen-Bradley . . . . . . . . . . . . . . . . . . . . . . . . . . 6-7

Chapter 7

Application Examples

Operating Classes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1

Class 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1

Class 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1

Class 1 Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1

Ladder Files. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-3

Data File N7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-17

Class 3 Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-18

Ladder File 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-19

Data File N7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-21

Appendix A

Specifications

Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1

Physical Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . A-2

Environmental Specifications . . . . . . . . . . . . . . . . . . . . . . . A-2

Input Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-3

Publication 1746-UM001A-US-P

Table of Contents iv

Appendix B

Configuration Worksheet

Appendix C

Two’s Complement Binary

Numbers

Positive Decimal Values . . . . . . . . . . . . . . . . . . . . . . . . C-1

Negative Decimal Values . . . . . . . . . . . . . . . . . . . . . . . C-2

Appendix D

Calibration

Calibration Sequence. . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-1

Glossary

Index

1Publication 1746-UM001A-US-P

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

•contents of this manual

•related documentation

•common techniques used in this manual

•Allen-Bradley support

Who Should Use this

Manual

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 generate the electronic signals

that control your application.

If you do not, contact your local Allen-Bradley representative for the

proper training before using this product.

Purpose of this Manual

This manual is a learning and reference guide for the 1746-NI16

Analog Input Module. It contains the information you need to install,

wire, and configure the module. It also provides diagnostic and

troubleshooting information and application examples.

Publication 1746-UM001A-US-P

Preface 2

Contents of this Manual

Chapter Title Content

Preface Describes the purpose, background, and scope

of this manual. Also specifies the audience for

whom this manual is intended and gives

directions to using Allen-Bradley support

services. Provides listing of related

documentation.

1 Overview Provides a hardware and system overview.

Explains and illustrates the theory behind the

input module.

2 Quick Start for

Experienced Users

Serves as a Quick Start Guide for the

experienced user.

3 Installation and

Wiring

Provides installation information and wiring

guidelines.

4 Preliminary Operating

Considerations

Gives you the background information you need

to understand how to address and configure the

module for optimum operation as well as how to

make changes once the module is in a run state.

5 Channel

Configuration

Data and Status

Examines the channel configuration word and

the channel status word, bit by bit, and explains

how the module uses configuration data and

generates status during operation.

6 Module Diagnostics

and Troubleshooting

Explains how to interpret and correct problems

that may occur while using the module.

7 Application Examples Examines both basic and supplementary

applications and gives examples of the ladder

logic necessary to achieve the desired result.

Appendix A Specifications Provides physical, electrical, environmental, and

functional specifications for the module.

Appendix B Configuration

Worksheet

Provides a worksheet to help configure the

module for operation.

Appendix C Two’s Complement

Binary Numbers

Describes the two’s compliment binary number

system.

Appendix D Calibration Describes how to calibrate the 1746-NI16

module.

Glossary Lists key terms and abbreviations.

Publication 1746-UM001A-US-P

Preface 3

Related Documentation

The following documents contain information that may be helpful to

you as you use Allen-Bradley SLC products. If you would like a

manual, you can:

•download a free electronic version from the internet:

www.theautomationbookstore.com

•purchase a printed manual by:

–contacting your local distributor or Rockwell Automation

representative

–visiting www.theautomationbookstore.com and placing

your order

–calling 1.800.963.9548 (USA/Canada)

or 001.330.725.1574 (Outside USA/Canada)

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

1747-6.21

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 quickly begin programming

Getting Started Guide for HHT 1747-NM009

A reference manual that contains status file data and

instruction set information for the SLC 500 processors and

MicroLogix 1000 controllers.

SLC 500™/ MicroLogix 1000™ Instruction Set

Reference Manual

1747-6.15

In-depth information on grounding and wiring Allen-Bradley

programmable controllers

Allen-Bradley Programmable Controller Grounding

and Wiring Guidelines

1770-4.1

A description on how to install a PLC-5Rsystem PLC-5™ Family Programmable Controllers

Hardware Installation Manual

1785-6.6.1

A description of important differences between solid-state

programmable controller products and hard-wired

electromechanical devices

Application Considerations for Solid-State Controls SGI-1.1

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

Publication 1746-UM001A-US-P

Preface 4

Common Techniques Used

in this Manual

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]).

Allen-Bradley Support

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 Troubleshooting chapter first. Then call

your local Allen-Bradley representative.

Your Questions or Comments on this Manual

If you find a problem with this manual, please notify us of it on the

enclosed Publication Problem Report.

If you have any suggestions for how this manual could be made more

useful to you, please contact us at the address below:

Allen-Bradley

Control and Information Group

Technical Communication, Dept. A602V, T122

P.O. Box 2086

Milwaukee, WI 53201-2086

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