Festo Smart cubic CPA-SC Series, Manual

Page: 125 / 136

A. Technical appendix
A−13
Festo P.BE−CPASC−EN en 0412b
A.3 Overview of the valve plates
Please note
The numbers on the following switching symbols are the
designations of the connections, coils and manual over
rides, e.g. designation 14 stands for manual override 14 or
for coil 14. They are not logical designations.
Valve plates
82/84
12/14 1
4 2
12
14
5
Ident. code I
Function:
two single−solenoid 2/2−way valves
closed in basic position
spring return
dual−pressure operation Work air can be
supplied separately at connection 5
with vacuum operation:
supply operating pressure via connection 1
supply vacuum via connection 5
vacuum is switched to connection 4 via
solenoid coil 14
operating pressure is switched to connec−
tion 2 via solenoid coil 12 (e.g. for reject
pulses with vacuum operation)
for reject pulses between connections 2, 4
and the vacuum generator, create connec−
tion via T−piece
Please note:
This valve plate (Ident. code I) must be operated
in a separate pressure zone with separate
exhaust channel 5, if the CPA−SC valve terminal is
also fitted with other valve plates (see table
below).
Tab.A/14: Valve plates with 2/2−way valves