Short Circuit/Overload; Cp Output Module - Festo CDVI-DN Manual

3. Diagnostics
3.4

Short circuit/overload

3.4.1 CP output module

Alternatives
•
Set all outputs of the output module to logical
"0" (RESET)
or
•
Briefly interrupt the CP connection at the CP
output module
or
•
Briefly interrupt the operating voltage of the
CP system.
Festo P.BE-CDVI-DN-EN en 0805a
Detailed information on CP input and output modules can be
found in the "CP Modules Electronics" manual.
If there is a short circuit or overload:
– All digital outputs of a CP output module are switched off.
– The green LED "Diag" on the output module flashes
quickly.
– Bit 2 (short circuit/overload) in the device status byte is
set to logical "1".
Note
The outputs cannot be used again until the short circuit or
overload has been eliminated and the error deleted.
Deleting an error
You can delete the error by resetting all outputs. The follow-
ing alternatives are available for this purpose:
Explanation
– Manually or automatically in the program
– Outputs on the output module are reset
– All outputs on the CP system are reset
automatically.
automatically.
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