Festo CP-FB13-E - Diagnosis LED BUS ERROR

3. Diagnosis
3-6
Festo Festo P .BE CP FB13-E-EN en 9910c
3.1.3 Diagnosis LED BUS ERROR
Possible PROFIBUS-specific LED displays of the operating
status of the CP node are shown in the following diagram:
Error displays BUS ERROR;
(
= lights up; =LEDflashes; =out)
LEDs
Operating status Error treatment
BUS
(fast)
Station number not permitted Correct station number (0,...,125)
BUS
(1-second in-
tervals)
Field bus connection not OK.
Possible causes
– Station number not c orrect
(e.g. address assigned twice)
– Field bus module switc hed off or
defective
– Interrupte d, short-circuited or
faulty field bus connection
– Configuration not correct nominal
<> actual status,
Check the ...
S setting of the address selector
switch
S field bus module
S field bus connection
S configuration
BUS
Valve test –
(Conclude valve test)