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Diagnostics and fault clearance
Status of input
LED (green)
Meaning
Input active (logic 1)
Logic 1 at input
Illuminated
Input inactive (logic 0)
Logic 0 at input
Off
Tab. 11: LED status of input
Status of output
LED (yellow)
Meaning
Output active (logic 1)
Output sends logic 1
Illuminated
Output inactive (logic 0)
Output sends logic 0
Off
Tab. 12: LED status of output
Diagnostics of output
LED (red)
Meaning
Short circuit/overload at output
Illuminated
No channel error at output
Off
Tab. 13: LED diagnostics of output
14
Remedy
–
–
Remedy
–
–
Remedy
Check the connected actuators, elimi-
nate short circuit/overload.
–
Festo — CPX-AP-A-12DI4DO-M12-5P — 2022-07
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