2Overview
26 Festo – P.BE-MPA-EN – 1309f – English
Ident.
code
Valve
MU Polymer poppet valve, mo nost able 5/2-way valve, mechanical spring return
N Piston spool valve, two monostable 3/2-way valves, normally open, pneumatic spring
return
NS Piston spool valve, two monostable 3/2-way valves, normally open, mechanical spring
return
NU Polymer poppet valve, two monostable 3/2-way valves, normally open, mechanical spring
return
W Piston spool valve, monostable 3/2-way valve, normally open, external compressed air
supply via connection (2), pneumatic spring return
X Piston spool valve, monostable 3/2-way valve, normally closed, external compressed air
supply via connection (4), pneumatic spring return
Tab . 2.5 Identification codes of the valves
Further information on the valves can be found in Appendix B.
2.4.3 Proportional pressure regulator
The VPPM-...TA-... proportional pressure regulator is intended to regulate a pressure proportional t o a
specified setpoint value. A built-in pressure sensor records th e pressure a t the working line and com-
pares this value with the setpoint value. In the event of deviations between the nominal/actual values,
the valve regulates until the output pre ssure has reached the nominal value.
For a constant pressure supply, which is required for high c ontrol quality, the proportional pressure
regulator has an additional supply port.
Configure the proportional pressure regulator via the PLC or the Festo Handheld
(CPX-MMI).
Mounting of the proportional-pressure regulator is de scribed in the mo unting instructions
VPPM-…TA-... .
Information on configuring the proportio nal-pressure regulator is provided in the MPA-...
electronics description.
Identification of the propor tional pressure regulator
The propo rtional pressure regulators on the MPA-S valve terminal are marked by identification c odes.
With this identification, you can ascertain the type of proportional pressure regulator.
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