Festo CPX-M-FB20 Manual page 95

3. Diagnostics and error handling
RD (Remote Bus Disable) – Remote bus switched off
LED (yellow) Procedure
ON
OFF
LED
illuminates
ON
OFF
LED is off
FO1 (Fibre Optic 1) – Diagnostics of incoming FOC length
LED (yellow) Procedure
–
ON
OFF
– LED flickers
ON
OFF
LED is off
Festo P.BE-CPX-FB20/21-EN en 1202a
Status
– Continuing interface
switched off.
– Data transmission on
the Interbus interrupted.
Normal operation.
Status
– After initialization:
Incoming fibre optic
cable length bad or the
system reserves are not
reached or the
previously installed
module does not
support fibre optic cable
control.
– In the "Bus active"
status: Incoming fibre
optic cable length bad or
the system reserves are
not reached.
FOC-length OK
Meaning/error handling
•
Start data transmission.
•
Check slaves on continuing
interface.
–
Meaning/error handling
Check system/fibre optic cable
transmission
–
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