Festo CPX Series Electronic Manual page 51

2. Installation
1
8DI
Schematic representation:
24 V
EL/SEN
0 V
EL/SEN
24 V
OUT
0 V
OUT
24 V
VAL
0 V
VAL
1
Manifold sub−base with system supply
2
Manifold sub−base with additional supply for valves (supplies CPX−CP interface)
3
Manifold sub−base with additional supply for valves (supplies MPA pneumatics)
Fig. 2/5: Separate power supply for CPX−CP interface and MPA pneumatics (example)
Festo P.BE−CPX−CP−EN en 0405NH
CPX terminal with CP interface + system supply and
2 additional supplies for valves (Fig. 2/5)
In the example, the CPX−CP interface and along with it the
CP valve terminals and CP output modules without load volt
age connection are supplied via the valve supply 2. The CP
valve terminals can only be switched off at a single pole.
The MPA pneumatics are supplied via the valve supply 3
(only permissible with MPA electronics modules, type
VMPA..−FB−EMG−...). The MPA pneumatics can be switched off
at all poles.
2
4DO
1 23 4 1 2 3 4
3
CP−I 8DI
MPA
1 2 3 4
8 O 8 O
2−19