Controller Diagnostics with the Logix Designer Application
A warning symbol appears in the controller organizer next to the I/O module under these conditions:
- If there are faults or other conditions in the I/O module
- If the connection to the I/O module fails while in run mode
When the I/O module is configured to cause a major fault on the controller and an I/O module fault occurs, the following can result:
- Controller state displays Faulted.
- Controller status displays Controller Fault and blinks red.
- I/O module status displays I/O Not Responding and blinks green.
When the I/O module is not configured to cause a major fault on the controller and an I/O module fault occurs, the following result:
- Controller state displays the current state, for example, Rem Run.
- Controller status displays Controller OK and is steady green.
- I/O module status displays I/O Not Responding and blinks green.
I/O Fault on the Controller
IMPORTANT:
Safety Consideration
You cannot configure safety connections to automatically fault the controller
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