2. Input modules types CP−E08−M...−CL and CP−E16−KL−CL
2−14
Festo P.BE−CPEA−CL−EN en 0711a
2.4 Diagnosis
2.4.1 Diagnosis via LEDs
Status LED
CP communication (PS)
The operating status of the input module is shown by means
of the status LED CP communication (see Tab.2/3).
LED PS
(green)
Operating status Error handling
LED lights up
Operating voltage applied, CP
communication OK
None
LED is out
Operating voltage not ap
plied or no connection to
CPI/CP master
CPI/CP input module not
contained in string assign
ment of the CPI/CP master
· Check the CPI/CP cable and the operating
voltage connection on the CP master
· Save the CPI/CP string assignment on the
CPI/CP master (see manual for the CPI/CP
master)
LED flashes
Test phase when power sup
ply has been switched on
1)
or
Undervoltage in sensor sup
ply (< 17 V)
· None
or
· Eliminate undervoltage
1)
Only on CP masters without extended functions
Tab.2/3: Status LED CP communication (PS)