How to Access the Channel Diagnostics Function of a Discrete Module

At a Glance

The Channel diagnostics module displays current errors, where these exist, classed according to their category:

Internal faults:
- Channel failure,
External faults:
- Link or sensor supply fault,
Other faults:
- Terminal block fault,
- Configuration fault,
- Communication fault.

A channel error appears in the Debug tab when the

LED, located in the Fault column, turns red.

Procedure

The following table shows the procedure for accessing the Channel fault screen.

Step	Action
1	Access the module's debug screen.
2	For the faulty channel, click on the button situated in the Fault column. Result: the list of channel faults appears. Note: Channel diagnostics information can also be accessed by program (READ_STS instruction).