Allen-Bradley 1756-IA32 - Page 9

Rockwell Automation Publication 1756-UM058G-EN-P - November 2012 9
Table of Contents
Appendix C
Use Ladder Logic To Perform
Run Time Services and
Reconfiguration
Using Message Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213
Processing Real-time Control and Module Services . . . . . . . . . . . . . . . . 214
One Service Performed Per Instruction . . . . . . . . . . . . . . . . . . . . . . . . . . . 214
Create a New Tag . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 214
Enter Message Configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 217
Configuration Tab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 218
Communication Tab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221
Use Timestamped Inputs and Scheduled Outputs
for Standard and Diagnostic I/O Modules. . . . . . . . . . . . . . . . . . . . . 222
Use Timestamped Inputs and Scheduled Outputs
for Fast I/O Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 224
Reset a Fuse, Perform Pulse Test and Reset Latched Diagnostics. 227
Perform a WHO to Retrieve Module Identification and Status. . 228
Review of Tags in Ladder Logic. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 231
Appendix D
Choose a Correct Power Supply
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .233
Appendix E
Motor Starters for Digital I/O Modules
Determine the Maximum Number of Motor Starters. . . . . . . . . . . 236
Appendix F
Major Revision Upgrades
If Using a Compatible or Disabled Keying I/O Configuration . . . . . . 238
If Using an Exact Match Keying Configuration . . . . . . . . . . . . . . . . . . . . 238
Appendix G
1492 IFMs for Digital I/O Modules
Cable Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 239
Appendix H
History of Changes
1756-UM058F-EN-P, April 2012 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249
1756-UM058E-EN-P, August 2010 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250
Glossary
Index