Rockwell Automation 1756-XXXX ControlLogix Digital I/O Modules User Manual
Page 9

Rockwell Automation Publication 1756-UM058G-EN-P - November 2012
9
Table of Contents
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
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .233
Motor Starters for Digital I/O Modules
Determine the Maximum Number of Motor Starters. . . . . . . . . . . 236
1492 IFMs for Digital I/O Modules
1756-UM058F-EN-P, April 2012 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249
1756-UM058E-EN-P, August 2010 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250