Publication 1752-UM001A-EN-P - October 2006
116 Monitor Status and Handle Faults
Safety tab of the controller Properties dialog in RSNetWorx for
DeviceNet software. You can use the configuration signature to verify
that the program and configuration of the controller has not been
changed.
For a description of the combinations of the LED indicators and
alphanumeric display codes, including corrective actions, see
Appendix A.
Monitor I/O Power Supply
Input
You can monitor the I/O power supply input using the alphanumeric
display on the front of the controller, as well as the general status data
in DeviceNet I/O communications.
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.
Explanation of Display Operation
Status Display
Normal conditions
with DeviceNet
enabled
Operating mode: Run
Safety I/O communications: operating
The controller
node address.
Lit
Operating mode: Run
Safety I/O communications: not
operating
Flashing
Operating mode: Self-testing,
Configuring, or Idle
Flashing
Normal conditions
with DeviceNet
disabled
Operating mode: Run
nd
Lit
Operating mode: Self-testing,
Configuring, or Idle
Flashing
Error conditions
Critical error
Error code
only
Lit
Abort
Error code
only
Lit
Nonfatal error
Alternates between the
error code and the node
address where the error
occurred.
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