Festo CPX-CMAX, Описание

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4 Electrical installation
46 Festo – P.BE-CPX-CMAX-SYS-EN – en 2017-09b – English
Example of CPX terminal with CMAX with a system feed without additional power supply
In the example, the entire CPX terminal and the CMAX positioning system are provided with power
through a system supply. The VPWP load voltage can only be switched off single-pole!
8DI 8DI 4DO
MPA
1 23 4
0 V (U
VAL
)
24 V DC (U
VAL)
0 V (U
OUT)
24 V DC (U
OUT)
0 V (U
EL/SEN)
24 V DC (U
EL/SEN)
FE
1 2
CPX-(M)-GE-EV- S
3
2 2
1
Interlinking block with system feed ...-EV- S
(supplies the CPX terminal with CMAX and
positioning system, here 4-pin)
2
Interlinking blocks without supply
3
The CMAX always internally connects at the
module level the contact rails U
EL/SEN
(0 V)
and U
VAL
(0 V)
Fig. 4.1 Common power supply of CMAX and MPA pneumatics (example)
In the 4-pin system supply shown here, all 0 V potentials are also internally connected (
è
Fig. 4.1).
Potential separation between U
EL/SEN
(0 V) and U
VAL
(0 V) can be achieved again through an additional
power supply for valves to the right of the CMAX (
è
Fig. 4.2).