Allen-Bradley 1794-IF4I Bedienungsanleitung

FLEX I/O Isolated

Analog Modules

1794-IF4I, -OF4I, IF2XOF2I, -IF4IXT,

-IF4ICFXT, -OF4IXT, IF2XOF2IXT

User Manual

Important User Information

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

available from your local Rockwell Automation sales office or online at

http://literature.rockwellautomation.com) 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 Rockwell Automation, Inc. 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, Rockwell Automation, Inc. cannot assume

responsibility or liability for actual use based on the examples and diagrams.

No patent liability is assumed by Rockwell Automation, Inc. 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 Rockwell Automation, Inc., is prohibited.

Throughout this manual, when necessary, we use notes to make you aware

of safety considerations.S

Rockwell Automation, Allen-Bradley, FLEX, RSNetWorx, RSLogix5000, and TechConnect are trademarks of Rockwell Automation,

Inc.

Trademarks not belonging to Rockwell Automation are property of their respective companies.

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.

IMPORTANT Identifies information that is critical for successful application and

understanding of the product.

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 a hazard, and

recognize the consequence.

SHOCK HAZARD

Labels may be on or inside the equipment, such as a drive or motor,

to alert people that dangerous voltage may be present.

BURN HAZARD

Labels may be on or inside the equipment, such as a drive or motor,

to alert people that surfaces may reach dangerous temperatures.

3Publication 1794-6.5.8 - January 2010

Preface

Using this Manual

Purpose of this Manual

This manual shows you how to use your FLEX I/O Isolated Analog

modules with Allen-Bradley programmable controllers. The manual

helps you install, program and troubleshoot your modules.

Except where noted, information that applies to 1794-IF4I, 1794-OF4I,

and IF2XOF2I also applies to 1794-IF4IXT, 1794-IF4ICFXT,

1794-OF4IXT, and IF2XOF2IXT.

Audience

You must be able to program and operate an Allen-Bradley

programmable controller to make efficient use of your FLEX I/O

modules. In particular, you must know how to program block

transfers.

We assume that you know how to do this in this manual. If you do

not, refer to the appropriate programming and operations manual

before you attempt to program your modules.

Vocabulary

In this manual, we refer to:

•the isolated analog input or isolated analog output module as

the “input module” or ‘‘output module”

•the Programmable Controller as the “controller”

Manual Organization

This manual is divided into five chapters. The following chart lists

each chapter with its corresponding title and a brief overview of the

topics covered in that chapter.

Section Title Contents

Chapter 1 Overview of FLEX I/O and

your Analog Modules

Describes FLEX I/O Isolated

Analog modules, features,

and how they function

Chapter 2 How to Install Your Analog

Module

How to install and wire the

modules

Chapter 3 Module Programming Explains block transfer

programming, sample

programs

Publication 1794-6.5.8 - January 2010

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.

For Additional Information

For additional information on FLEX I/O systems and modules, refer to

the following documents:

Chapter 4 Writing Configuration to and

Reading Status from Your

Module with a Remote I/O

Adapter

Explains how to configure

your modules and read

status information from your

modules when using a

remote I/O adapter

Chapter 5 Communication and I/O

Image Table Mapping with

the DeviceNet/ControlNet

Adapter

Explains how you

communicate with your

modules, and how the I/O

image is mapped when

using a DeviceNet adapter

Chapter 6 Input, Output, Status and

Configuration Files for

Analog Modules when used

with ControlNet

Explains how you

communicate with your

modules over ControlNet.

Chapter 7 Calibrating Your Module Explains how to calibrate

your module.

Appendix A Specifications Specifications for the

isolated analog modules

Appendix B Class I, Division 2, Group A,

B, C, D Hazardous Locations

Statement

Hazardous location approval

Section Title Contents

Catalog Numbers Voltage Description Publications

Installation

Instructions

User Manual

1794 1794 FLEX I/O Product Data 1794-2.1

1794-ACN 24V dc ControlNet Adapter 1794-5.8

1794-ACNR 24V dc Redundant Media ControlNet Adapter 1794-5.18

1794-ADN 24V dc DeviceNet Adapter 1794-5.14 1794-6.5.5

1794-ASB/C 24V dc Remote I/O Adapter 1794-5.46 1794-6.5.9

Publication 1794-6.5.8 - January 2010

Preface 5

Summary

This preface gave you information on how to use this manual

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

module.

1794-ASB2 24V dc 2-Slot Remote I/O Adapter 1794-5.44 1794-6.5.3

1794-TB2

1794-TB3

2-wire Terminal Base

3-wire Terminal Base

1794-5.2

1794-TBN Terminal Base Unit 1794-5.16

1794-TBNF Fused Terminal Base Unit 1794-5.17

1794-TB3T Temperature Terminal Base Unit 1794-5.41

1794-TB3S Spring Clamp Terminal Base Unit 1794-5.42

1794-TB3TS Spring Clamp Temperature Terminal Base

Unit

1794-5.43

1794-IB16 24V dc 16 Sink Input Module 1794-5.4

1794-OB16 24V dc 16 Source Output Module 1794-5.3

1794-IV16 24V dc 16 Source Input Module 1794-5.28

1794-OV16 24V dc 16 Sink Output Module 1794-5.29

1794-OB8EP 24V dc 8 Electronically Fused Output Module 1794-5.20

1794-OW8 24V dc 8 Output Relay Module 1794-5.19

1794-IB10XOB6 24V dc 10 Input/6 Output Module 1794-5.24

1794-IE8 24V dc Selectable Analog 8 Input Module 1794-5.6

1794-OE4 24V dc Selectable Analog 4 Output Module 1794-5.5 1794-6.5.2

1794-IE4XOE2 24V dc 4 Input/2 Output Analog Module 1794-5.15

1794-IR8 24V dc 8 RTD Input Analog Module 1794-5.22 1794-6.5.4

1794-IT8 24V dc 8 Thermocouple Input Module 1794-5.21 1794-6.5.7

1794-IB8S 24V dc Sensor Input Module 1794-5.7

1794-IA8 120V ac 8 Input Module 1794-5.9

1794-OA8 120V ac Output Module 1794-5.10

1794-CE1, -CE3 Extender Cables 1794-5.12

1794-NM1 Mounting Kit 1794-5.13

1794-PS1 24V dc Power Supply 1794-5.35

1794-PS13 24V dc Power Supply 1794-5.69

Catalog Numbers Voltage Description Publications

Installation

Instructions

User Manual

Publication 1794-6.5.8 - January 2010

Preface 6

7Publication 1794-6.5.8 - January 2010

Table of Contents

Important User Information . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Preface

Using this Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Purpose of this Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Audience . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Vocabulary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Manual Organization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

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

For Additional Information . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Table of Contents Chapter

Overview of FLEX I/O and your

Analog Modules

Chapter Objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

The FLEX I/O System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Types of FLEX I/O Modules . . . . . . . . . . . . . . . . . . . . . . . . 12

How FLEX I/O Analog Modules Communicate with

Programmable Controllers . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Features of Your Analog Modules . . . . . . . . . . . . . . . . . . . . 14

Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Chapter

How to Install Your Analog

Module

Chapter Objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Before You Install Your Analog Module. . . . . . . . . . . . . . . . 15

Compliance to European Union Directives . . . . . . . . . . . . . . 15

EMC Directive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Low Voltage Directive (to be confirmed). . . . . . . . . . . . . 16

Power Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Installing the Module. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Mounting the Terminal Base Unit on a DIN Rail . . . . . . . 18

Panel/Wall Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Mounting the Analog Module on the Terminal Base Unit. 22

Connecting Wiring for the Analog Modules . . . . . . . . . . . . . 23

Connecting Wiring using a 1794-TB3, -TB3T, -TB3S or -TB3TS

Terminal Base Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Wiring to a 1794-TBN or 1794-TBNF Terminal Base Unit . 26

Module Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Chapter Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Chapter

Module Programming

Chapter Objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Block Transfer Programming . . . . . . . . . . . . . . . . . . . . . . . . 31

Configuration Rungs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Example Configuration Rungs. . . . . . . . . . . . . . . . . . . . . 32

Sample Programs for FLEX I/O Analog Modules. . . . . . . . . . 33

PLC-3 Programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

PLC-5 Programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

PLC-2 Programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

SLC-5 Programming. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

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Table of Contents 8

Chapter Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

Chapter

Writing Configuration to and

Reading Status from Your Module

with a Remote I/O Adapter

Chapter Objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

Configuring Your Analog Module . . . . . . . . . . . . . . . . . . . . 53

Range Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

Safe State Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

Data Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

Real Time Sampling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Input Filtering. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

Reading Data From Your Module. . . . . . . . . . . . . . . . . . . . . 57

Mapping Data for the Analog Modules. . . . . . . . . . . . . . . . . 57

8 Input Analog Module (Cat. No. 1794-IF4I) . . . . . . . . . . 58

4 Isolated Output Analog Module (Cat. No. 1794-OF4I) . . 64

2 Input/2 Output Analog Combo Module (Cat. No.

1794-IF2XOF2I) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

Chapter Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

Chapter

Communication and I/O Image

Table Mapping with the

DeviceNet/ControlNet Adapter

Chapter Objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77

About RSNetWorx and RSLogix . . . . . . . . . . . . . . . . . . . . . . 77

Polled I/O Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77

Adapter Input Status Word . . . . . . . . . . . . . . . . . . . . . . . 78

Mapping Data into the Image Table. . . . . . . . . . . . . . . . . . . 79

4 Input Isolated Analog Module (Cat. No. 1794-IF4I) Image

Table Mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79

4 Output Isolated Analog Module (Cat. No. 1794-OF4I) Image

Table Mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86

Isolated Analog Combo Module (Cat. No. 1794-IF2XOF2I

Series B) Image Table Mapping . . . . . . . . . . . . . . . . . . . 91

Defaults . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97

Chapter

Input, Output, Status and

Configuration Files for Analog

Modules when used with

ControlNet

Chapter Objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99

About the ControlNet Adapter . . . . . . . . . . . . . . . . . . . . . . . 99

Commun ication Over the FLEX I/O Backplane . . . . . . . . . . 99

Polled I/O Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100

Adapter Input Status Word . . . . . . . . . . . . . . . . . . . . . . 101

Safe State Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102

Communication Fault Behavior . . . . . . . . . . . . . . . . . . . . . 102

Idle State Behavior . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102

Input Data Behavior Upon Module Removal . . . . . . . . . . . 103

4 Input Isolated Analog Module (Cat. No. 1794-IF4I) Image

Table Mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103

Publication 1794-6.5.8 - January 2010

Table of Contents 9

4 Output Isolated Analog Module (Cat. No. 1794-OF4I) Image

Table Mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108

Isolated Analog Combo Module (Cat. No. 1794-IF2XOF2I)

Image Table Mapping . . . . . . . . . . . . . . . . . . . . . . . . . 113

Chapter

Calibrating Your Module

Chapter Objective . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119

When and How to Calibrate Your Isolated Analog Module . 119

Tools and Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120

Calibrating Your Isolated Analog Input Module . . . . . . . . . 121

Bits Used During Calibration . . . . . . . . . . . . . . . . . . . . 121

Offset Calibration for Inputs . . . . . . . . . . . . . . . . . . . . . 122

Setting the Input Gain . . . . . . . . . . . . . . . . . . . . . . . . . 124

Calibrating Your Isolated Analog Output Module . . . . . . . . 125

Bits Used During Calibration . . . . . . . . . . . . . . . . . . . . 125

Calibrating Voltage Outputs . . . . . . . . . . . . . . . . . . . . . 126

Offset Calibration for Voltage Outputs 126

Gain Calibration for Outputs 127

Calibrating Current Outputs . . . . . . . . . . . . . . . . . . . . . 128

Gain Calibration for Current Outputs 128

Offset Calibration for Current Outputs 128

Final Gain Calibration for Current Inputs 130

Scaling Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131

Scaling Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132

Chapter Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132

Appendix

Specifications

Filter Response for 150Hz, 300Hz and 600Hz Conversion 134

Appendix

Class I, Division 2, Group A, B, C, D

Hazardous Locations Statement

Index

Publication 1794-6.5.8 - January 2010

Table of Contents 10

Dieses Handbuch passt für folgende Modelle

Inhaltsverzeichnis

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Teknim

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BERGHOF

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Hitachi

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M-system

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