Festo VTSA-44-MP Series Manual page 200

B. Supplementary component summary
2/2-way valve
4
14
12/14 1
(14)
4
(14)
114
112/114 11
(5)
(14)
1)
Note: The 2/2-way valves with ident. code VV must be operated in a separate pressure zone with
split exhaust ducts (3) and (5) if the valve terminal VTSA/VTSA-F is equipped with additional valve
functions.
Tab. B/5: 2x2/2-way valve
B-8
2
12
2
(12)
112
1 11
(3)
Ident. code: CV
Function:
– Two single-solenoid 2/2-way valves,
Normally closed
– Pneumatic spring return
Ident. code: VV,
1)
Function:
– Two monostable, reversible 2/2-way valves,
both valves normally closed
– Return via pneumatic spring, pneumatic spring
supplied with pressure via port (1).
Connection instructions:
– With dual-pressure operation:
– At Port (3) or (5), supply different
operating pressures.
– With vacuum operation:
– Either supply vacuum through Port (5)
and operating pressure via Port (3),
or vice versa.
– The suction line (line that carries the
vacuum must be equipped with a filter so
that no contamination can enter the valve.
– Ejector pulse with vacuum operation:
For the ejector pulse, a connection between
the suction line and the pressure line must
be made via a T-piece.
Festo P.BE-VTSA-44-EN en 1101f