Exhaust Air; Sub−Bases And Pressure Zone Separation - Festo MPA-L Series Description

1. Overview of components
Properties
Identification on the end
plate/
Setting of the selector plate
Type of pilot air supply
Requirement
Tab. 1/5: Features of the pilot control variants

1.5.4 Exhaust air

1.5.5 Sub−bases and pressure zone separation
Festo P.BE−MPAL−EN en 1008NH
Pilot control variant
Internal pilot air supply
Int"
Internally from the supply
port (1) distributed operating
pressure
The operating pressure must be
in the range 3 ... 8 bar and be
free of pressure fluctuations.
The exhaust (3) and (5) of the air is exhausted together via
the flat plate silencer and the exhaust plate or separately via
the right−hand end plate with ports at the side.
The pilot exhaust air (82/84) is led to a connection on the
right−hand end plate and can either be ducted there or ex
hausted via a silencer.
The valves of valve terminal MPA−L are supplied pneumati
cally via the sub−bases and via the electronic module that is
installed in the sub−base (see Fig. 1/4).
In addition to the individual sub−bases there are also the 4 off
sub−bases with common 4 off electronic module.
External pilot air supply
Ext"
Externally via the pilot connection
(12/14) supplied, separately
controllable pressure (3 ... 8 bar)
The operating pressure can be
below 3 bar and above 8 bar,
so long as separately controlled
pilot pressure (3 ... 8 bar) is
available.
1−13