EasyManua.ls Logo

Allen-Bradley 1794-OF4I - Page 8

Allen-Bradley 1794-OF4I
147 pages
Print Icon
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Loading...
Publication 1794-6.5.8 - January 2010
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

Table of Contents

Related product manuals