Festo CPX DE Series Manual page 128

4. Input modules
Fault LED Sequence
(red)
ON
OFF
LED is out
ON
OFF
LED lights up
Tab. 4/34: Fault LED of the input modules
4−36
Status LEDs
There is a green status LED for each input. This LED indicates
the status of the signal at the relevant input. This means:
Status LED Sequence
(green)
ON
OFF
LED lights up
ON
OFF
LED is out
Tab. 4/33: Status LED of the input modules
Fault LED
The red fault LED indicates a module fault due to short circuit
or overload of the sensor supply depending on the para
meterization.
Status
Faultless operation
Fault short circuit/overload
Short circuit/overload in sensor
supply (V ).
EL/SEN
Status
Logical 1 (signal present)
Logical 0 (no signal)
Fault Fault
number treatment
0 None
2 See section
4.5.1, Tab. 4/32
Festo P.BE−CPX−EA−EN en 05602d