Festo CPA-SC Series, Руководство пользователя

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A. Technical appendix
A−13
Festo P.BE−CPASC−EN en 0808c
A.3 Overview of the valves
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
coil 14. They are not logic designations.
Valves
82/84
12/14 1
4 2
12
14
5
Ident. code I
Function:
Two single−solenoid 2/2−way valves,
control side 12 reversible
Both valves closed in basic position
Return with pneumatic spring
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 via solenoid coil (14)
to connection (4)
operating pressure is switched to connection
(2) via solenoid coil 12 (e.g. for reject pulse
with vacuum operation)
for reject pulse between connection (2), (4)
and the vacuum generator, create connection
via T−piece
Note
This valve (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 sub−bases (see table
below).
Tab.A/13: 2/2−way valves