Connecting The Analogue Intputs - Festo CPX Series Manual

2. Analogue input module CPX-2AE-U-I

2.3.3 Connecting the analogue intputs

1
Without electrical
isolation:
The sensors are
supplied via the
CPX module
2
With electrical
isolation:
If an external sensor
supply is used
Fig. 2/2: Examples of analogue input connections (screening connection on FE pin)
2-10
Only screened cables are usually permitted for the trans-
mission of analogue signals (see section 1.2.3).
IUx+ IUx- 24 V 0 V FE
0...10
V
IUx+ IUx- 24 V 0 V FE
0...10
V
Note
Make sure that cables which are not used, but which are
connected to the sub-base, are short-circuited by voltage
inputs at the unused end of the cable.
Further connection examples can be found in appendix A.10.1.
IIx+ IIx- 24 V 0 V FE
0/ 4...20
mA
IIx+ IIx- 0 V 24 V FE
0/ 4...20
mA
24 V 0 V
IIx+ IIx- FE
0/ 4...20
mA
External
sensor
supply
Festo P.BE-CPX-AX-EN en 1107f
1
2