Debugging discrete modules
How to access the Diagnostics function for a discrete module
At a Glance
Procedure
The module Diagnostics function displays the current faults, if there are any, classified according to their category: l l l internal faults (module failure), external faults (tripped output, sensor or actuator supply fault), other faults (module missing or switched off).
The DIAG indicator turns red to indicate a faulty module l in the configuration editor at rack level: l l the module position indicator, in the configuration editor at module level: l the Diag indicator.
The table below shows the procedure for accessing the module Diagnostics screen.
Step
1
2
Action
Access the module's debug screen.
Click on the Diag button in the module zone.
Result: The list of module faults appears.
Module Diagnostics
Internal faults External faults Other faults
Faulty channel(s)
OK
Note: If a configuration fault occurs, in the event of a major failure or missing module, the module diagnostics screen cannot be accessed. The following message then appears on the screen: Module is missing or different from that configured in this position .
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TLX DS 37 PL7 xxE
