5 Conversion and maintenance
Festo – P.BE-MPA-E N – 1309f – English 123
MPA-S valve terminal with multi-pin plug connection
The valve terminals can be configured with as many sub-bases as there are a ddresses available
( Tab. 5.9). With these valve terminals, the maximum number of solenoid coils which c an be actuated
by the multi-pin plug connection is limited to 24 addresses.
If equipped exclusively with one size (MPA 1 or MPA 2) and valves with the same number of solenoid
coils, this will result in the following max imum number of sub-bases:
MPA-S valve terminal
Valve positions per
sub-base (n
1
)
Solenoid coils per
valve position (n
2
)
Max. number of
sub-bases (Xmax)
1)
MPA1 4 1 6
2 3
MPA2 2 1 12
2 6
1) Maximum number of sub-bases when exclusively equipped with one size and with valves having the same number of solenoid coils
Tab. 5.9 Maximum number of sub-bases
With 24 actuated solenoid coils, the maximum number of sub-base s X
max
can be calcu-
lated as follows:
X
max
=
24
Ꮛ
n
1
× n
2
Ꮠ
MPA-S valve terminal with CPX terminal
Note
A maximum of 16 M PA sub-bases are permitt ed for the MPA-S valve terminal with CPX
terminal and electric supply plate. Without the electric supply plate, 8 M PA sub-bases
are permitted.
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