48
Festo — CPX-4AE-4AA-H — 2021-06b
Diagnostics
Module error display
LED
(red)
Meaning
off
error-free operation
on
Module error
–
All channel-specific errors
–
Parameterisation errors of hysteresis
Tab. 17 Description of the “Behaviour after short
circuit/overload” module parameter.
–
The DIL switch is incorrectly set.
Tab. 45: Module error display LED
Display of channel error
Each channel is assigned an LED.
LED
(red)
Meaning
off
error-free operation
on
Channel-specific error
Tab. 44 Error messages of the analogue module.
Tab. 46: LED display of channel error
Channel status display of input
The LED 0 … 3 (green) indicate the status of the individual channels.
LED
(gree
n)
Meaning
off
Channel inactive or active as output