5. Maintenance and conversion
5-30
Festo P .BE-MPA-EN en 1108e
5.4.2 Conve rting the MPA- S valve terminal to different pressure zones
Basic information on pressure zone separation is provided in
Chapter 1, section “Pressure zone separation”.
The MPA-S valve terminal can be equipped with the following
number of pressure zones depending on the connection
variant:
Electrical
Connecting variants
MPA-S valve termin al with ...
CPX terminal Multi-pin plug connection
Pressure zones 1 ... 8
1)
or 1 ... 16
2)
1 ... 12
1)
Electric supply of the valves via the CPX terminal
2)
Electric supply of the valves via t he electric supply plate
Tab. 5/7: Number of pressure zones
The pressure zones are formed by using either special
sub-bases or special separating seals (see Chapter 1,
section “Pressure zone separation”).
The formation of pressure zones with the aid of separating
seals is described below.
Note
Note the following if the MPA-S valve terminal is extended
or converted at a later stage:
The separating seals for forming pressure zones are
divided into two groups (see Chapter 1, Tab. 1/8):
– Separating seals for MPA-S valve terminals equipped
with flat plate silencers
– Separating seals for MPA-S valve terminals equipped
with exhaust plates
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