Festo MPA-ASI Series, Manual

Page: 90 / 208

3. Installation
3−20
Festo P.BE−MPA−EN en 0802c
Note
Valve with Ident. code I, 2x2/2−way valves:
With this valve vacuum is supplied via connection 5. The
vacuum is switched to connection 4 with valve coil 14.
The operating pressure at connection 1 can be used as a
reject pulse at connection 2. The operating pressure is
switched to connection 2 with valve coil 12.
If the MPA−S valve terminal is also fitted with other
valves, operate this valve in a separate pressure zone
with separate exhaust channel 5.
Valve with Ident. code W and X, 3/2−way valve:
These valves can be supplied individually and therefore
operated in the pressure range −0.9
Ū
10 bar. They are
independent of supply connection 1 of the valve
terminal. The connections via which these valves are
supplied with compressed air or vacuum and via which
exhaust air is removed are shown in Tab.3/3.
The pilot air is supplied via the valve terminal.
3/2−way valve Compressed air
or vacuum via
connection Exhaust via
connection
Ident. code X 4 3
Ident. code W 2 5
Tab.3/3: Connections to the valves with Ident. code X and W