Festo MPAC-VI, Руководство пользователя

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2 Product overview
Festo – MPAC-VI-EN – 2017-12a – English 17
You can identify the pilot control variant of your valve terminal by the following key features:
Pilot control Pilot air supply
External
Internal
Key feature – Selector sleeve in pilot con­
trol duct (12/14) of the right
end plate
– No selector sleeve in pilot
control duct (12/14) of the
right end plate
– Pilot control port (12/14) is
sealed with blanking plugs
Pilot air supply Fed in via the pilot control
port (12/14)
Branched from the duct (1) in
the right end plate
Requirements – Separately controlled pilot
pressure (3 ... 8 bar)
– Operating pressure depend­
ent on the valve –0.9 … 8 bar
(
è
Appendix A, Tab. A.5)
– Operating pressure
3 ... 8 bar
– Operating pressure free of
pressure fluctuations
Tab. 2.7 Pilot control
Conversion between internal and external pilot air supply is described in Chapter 7.4.
2.4.7 Exhaust air
The exhaust air (3) and (5) of the working air is removed as follows:
– via the left and right end plate
– optionally via manifold sub-base VMPAC-AP-14-SP-…
– optionally via supply plate VMPAC-SP-O
The pilot exhaust air is vented via port 82/84 in the right end plate.
2.4.8 Pressure compensation
Note
To prevent pressure from building up under the valve covers, any pressure created is
removed through the port (L) of the right end plate.
Do not seal the port (L) on the right end plate under any circumstances.
Remove the pressure with ducts.
Do not use a check valve in the line.