Festo CPX Series Electronic Manual page 93

4. Diagnosis and error treatment
Festo P.BE−CPX−CP−E N en 0405NH
LED
PS Power sensors Lights up when the sensor power supply
PL Power load
RN Run
Fault LED
L1 ... L4 String fault
1)
Monitoring of the power supplies takes place by means of the
CP modules
Tab. 4/5: Function overview of the CPX−CP interface
Description
on the string is correct. Flashes when
there is a voltage fault.
Lights up when the load power supply
on the string is correct for outputs and
valve. Flashes when there is a voltage
1)
fault.
Lights up when data exchange is running
on the CP strings.
Flashes or lights up when there are
faults on the CPX−CP interface. The flash
pulses indicate the type of fault.
Flashes or lights up when there are
faults on the assigned CP string. The
flash pulses indicate the location of the
fault on the CP string.
1)
4−9