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Allen-Bradley Manuals
I/O Systems
1794-IF4I
User manual
Allen-Bradley 1794-IF4I User Manual
Flex i/o isolated analog modules
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Contents
Table of Contents
Bookmarks
Table of Contents
Important User Information
Purpose of this Manual
Publication 1794-6.5.8 - January
Table of Contents
Table of Contents
Publication 1794-6.5.8 - January
Chapter Objectives
The FLEX I/O System
Types of FLEX I/O Modules
How FLEX I/O Analog Modules Communicate with Programmable Controllers
Features of Your Analog Modules
Summary
Chapter
Before You Install Your Analog Module
Chapter Objectives
Compliance to European Union Directives
EMC Directive
Low Voltage Directive (to be Confirmed)
Power Requirements
Installing the Module
Mounting the Terminal Base Unit on a DIN Rail
Panel/Wall Mounting
Mounting the Analog Module on the Terminal Base Unit
Connecting Wiring for the Analog Modules
Connecting Wiring Using a 1794-TB3, -TB3T, -TB3S or -TB3TS Terminal Base Unit
Wiring to a 1794-TBN or 1794-TBNF Terminal Base Unit
Chapter Summary
Module Indicators
Chapter
Block Transfer Programming
Chapter Objectives
Configuration Rungs
Example Configuration Rungs
Sample Programs for FLEX I/O Analog Modules
PLC-3 Programming
PLC-5 Programming
Programming
Publication 1794-6.5.8 - January
Chapter Summary
Chapter
Chapter Objectives
Configuring Your Analog Module
Data Format
Range Selection
Safe State Selection
Real Time Sampling
Input Filtering
Mapping Data for the Analog Modules
Input Analog Module (Cat. No. 1794-IF4I)
Isolated Output Analog Module (Cat. No. 1794-OF4I)
Input/2 Output Analog Combo Module
Reading Data from Your Module
Chapter Summary
Chapter
About Rsnetworx and Rslogix
Chapter Objectives
Polled I/O Structure
Adapter Input Status Word
Mapping Data into the Image Table
Input Isolated Analog Module (Cat. No. 1794-IF4I) Image Table Mapping
Output Isolated Analog Module (Cat. No. 1794-OF4I) Image Table Mapping
Isolated Analog Combo Module (Cat. No. 1794-IF2XOF2I Series B) Image Table Mapping
Defaults
Chapter
About the Controlnet Adapter
Chapter Objectives
Commun Ication over the FLEX I/O Backplane
Polled I/O Structure
Adapter Input Status Word
Communication Fault Behavior
Idle State Behavior
Safe State Data
Input Data Behavior Upon Module Removal
Input Isolated Analog Module (Cat. No. 1794-IF4I) Image
Output Isolated Analog Module (Cat. No. 1794-OF4I) Image Table Mapping
Isolated Analog Combo Module (Cat. No. 1794-IF2XOF2I) Image Table Mapping
Chapter
Chapter Objective
When and How to Calibrate Your Isolated Analog Module
Tools and Equipment
Calibrating Your Isolated Analog Input Module
Bits Used During Calibration
Offset Calibration for Inputs
Setting the Input Gain
Calibrating Your Isolated Analog Output Module
Bits Used During Calibration
Calibrating Voltage Outputs
Offset Calibration for Voltage Outputs
Gain Calibration for Outputs
Calibrating Current Outputs
Gain Calibration for Current Outputs
Offset Calibration for Current Outputs
Final Gain Calibration for Current Inputs
Scaling Inputs
Scaling Outputs
Chapter Summary
Appendix
Filter Response for 150Hz, 300Hz and 600Hz Conversion
Appendix
In this Manual
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Quick Links
1
Connecting Wiring for the Analog Modules
2
Connecting Wiring Using a 1794-Tb3, -Tb3T, -Tb3S or -Tb3Ts Terminal Base Unit
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FLEX I/O Isolated
Analog Modules
1794-IF4I, -OF4I, IF2XOF2I, -IF4IXT,
-IF4ICFXT, -OF4IXT, IF2XOF2IXT
User Manual
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This manual is also suitable for:
1794-of4i
1794-if4ixt
1794-if4icfxt
1794-of4ixt
1794-if2xof2ixt
1794-if2xof2i
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