Separate Circuits - Festo CPX System Manual

3. Installation

Separate circuits

CPX−(M−)GE−EV−S−... CPX−(M−)GE−EV CPX−(M−)GE−EV−Z−...
6
5
1
Load voltage for valves (24 V
0 V )
val
2
Load voltage for digital outputs
(24 V and 0 V
out
3
Operating voltage for electronics and
sensors (24 V
el/sen
Fig. 3/3: Basic representation of the power supply concept for interlinking blocks with
5−pin alternative connections (7/8", push−pull)
Festo P.BE−CPX−SYS−EN en 0902e
Interlinking blocks with a 5−pin plug enable separate circuits
to be created for supplying load voltage to the outputs/
valves and for supplying operating voltage to the electronics/
sensors. Fig. 3/3 provides an overview.
0 V
val
24 V
val
0 V
OUT
24 V
OUT
0 V
el/sen
24 V
el/sen
FE
and
val
)
out
and 0 V )
el/sen
The pin allocation for all alternative connections is described
in Tab. 3/4 and in the package insert for the interlinking
blocks with supply.
0 V
OUT
24 V
OUT
4
Functional earth (FE)
5
Rails for internal functions
6
Connection to FE connection on
end plate
1
2
3
4
3−17