Festo CPX Series Manual page 98

3. Analogue input module CPX-4AE-U-I
Measured value too low:
Channel error LED
illuminates red
Diagnosis
1
Defined hysteresis
2
Defined lower limit value
3
Defined upper limit value
Fig. 3/2: Hysteresis behaviour of analogue input module CPX-4AE-U-I
3-16
1
Diagnosis
on off
2
1
Measured value too high:
Module error LED
illuminates red
Diagnosis
Diagnosis
off
on
3
Festo P.BE-CPX-AX-EN en 1107f
Analogue value