User Manual

Rockwell Automation Publication 1752-UM001E-EN-P - June 2014 171
Monitor Status and Handle Faults Chapter 12
Monitoring I/O Power Supply
Input
You can monitor the I/O power supply input by using the alphanumeric display
on the front of the controller, as well as the general status data in DeviceNet I/O
communication.
If an I/O terminal on the controller is set to anything other than Not Used, and
the normal power supply voltage is not supplied, the alphanumeric display shows:
• P4: The power supply for inputs (V1,G1) is out of range.
• P5: The power supply for outputs (V2, G2) is out of range.