Festo MPA Series - Page 94

3. Installation
3−20
Festo P.BE−MPA−EN en 0910d
FThe following conditions must be fulfilled in order to operate
your MPA−S valve terminal at supply connection (1) with
va cuum or low pressure between −0.9 ... 3 bar:
 The pilot control is operated with regulated external pilot
air supply.
 The valve terminal is fitted with the following valve
sub−bases and sometimes has additional pressure zones.
Valve sub−bases
Pressure zone with vacuum or
low pressure supply via
connection (1)
1) 2)
The pressure zone must be fitted only with the following valve
sub−bases:
 5/2−way valve, single−solenoid (Ident. code M)
 5/2−way valve, double−solenoid (Ident. code J)
 5/3−way valves (Ident. codes B, E and G)
2 x 3/2−way valves (ident. code HS, KS, NS)
 3/2−way valve (ident. code W and X) see also following note
2 x 2/2−way valve (ident. code DS)
Pressure zone with excess
pressure supply
3)
via port (1)
The pressure zone can be fitted additionally with the following
valve sub−bases:
2 x 3/2−way valves (ident. code H, K and N)
2 x 2/2−way valves (ident. code D, I), see also following note
1)
The valve plates with Ident. code D, H, K, N and I are not suitable for vacuum or low−pressure
operation if they are supplied via por t (1).
2)
Pilot pressure as per diagram in appendix A, Fig.A/3
3)
Pilot pressure as per diagram in appendix A, Fig.A/1
Tab.3/2: Valve sub−bases