Festo CPV..-DI01 series Electronic Manual page 77

3. Diagnosis PROFIBUS−DP
LED Colour
BUS red
lights up
BUS red
flashes fast
BUS red
flashes slowly
(1−second
intervals)
BUS flashes red
briefly out
Tab. 3/3: Fault diagnosis with the red BUS LED
Festo P.BE−CP−DI01−EN en 0503d
Fault diagnosis with the red LED (BUS):
Operating status
Hardware fault
PROFIBUS address not valid
Field bus connection not OK.
Possible causes:
Station number not correct
(e.g. address assigned twice)
Field bus module switched off
or defective
Interrupted, short−circuited or
faulty field bus connection
Configuration faulty, master
configuration setting in the
switch module
Switch module is missing
Switch module defective
Fault treatment
Servicing required
·
Correct address setting
·
(1, ..., 125)
Check the ...
address setting
·
field bus module
·
field bus connection
·
configuration of the master and
·
the setting in the switch module
Install switch module
·
Replace switch module
·
3−5