Channel Diagnostics

At a Glance

The Diagnostic function channel displays the current faults, if any exist, classified according to their category:

internal errors:
- • channel has broken down.
external errors:
- faulty link or sensor supply,
other errors:
- faulty terminal block
- configuration fault
- communication fault

A faulty channel is shown by the Diag LED, located in the Err column of the configuration editor, turning red.

Procedure

The table below introduces the procedure for accessing the Diagnostic channel screen.

Step	Action
1	Access the debug module screen.
2	Click on the Diag button located in the Err column for the channel fault. Result:The list of channel faults appears. Please note: Diagnostic information about the channel can also be accessed by program (instruction READ_STS).