Rockwell Automation Publication 1769-UM021I-EN-P - May 2018 233
Use I/O Modules with CompactLogix 5370 L2 Controllers Chapter 8
2. Click the Connection tab and use the fault description, in the Module
Fault section, to diagnose the issue.
3. Click OK to close the dialog box and remedy the issue.
End Cap Detection and Module Faults
End cap detection is performed through the last module on a 1769 Bus. If that
module experiences a fault such that it cannot communicate on the 1769 Bus,
the following events occur:
• End cap detection fails
•Controller faults
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