4. Commissioning
4−6
Festo P.BE−MPA−EN en 0802c
The table below shows the effects of slow start−up pressuriza
tion when there are electric signals.
External pilot
air supply
Pressure in
crease in com
plete supply
Pressure
increase in the
pilot air (12/14)
Time point
when a valve
switches
Movement of
the actuator
branched after the
safety start−up
valve
slow
slow
after
pressure
increase at (1)
fast
branched in front
of the safety
start−up valve
slow
fast
before
pressure
increase at (1)
slow
Tab.4/1:
Effects of slow start−up pressurization
4.2
Manual override
You should use the manual override especially when commis
sioning the pneumatic system, in order to check the function
and operation of the valve or the valve−actuator combination.
By actuating the manual override, you can switch the valve
without an electric signal. You only need to switch on the
compressed air supply.
The manual override has been designed to be used as
follows:
Control type
Method of operation
pushing (non−detenting)
After actuation the manual override
is reset automatically by a spring.
turning, locking
The manual override remains
actuated until it is reset by hand.
Tab.4/2:
Actuation methods of the manual override
Summary of Contents for MPA-ASI Series
Page 2: ......
Page 4: ...Contents and general instructions II Festo P BE MPA EN en 0802c...
Page 8: ...Contents and general instructions VI Festo P BE MPA EN en 0802c...
Page 18: ...Contents and general instructions XVI Festo P BE MPA EN en 0802c...
Page 19: ...Summary of components 1 1 Festo P BE MPA EN en 0802c Chapter 1...
Page 55: ...Fitting 2 1 Festo P BE MPA EN en 0802c Chapter 2...
Page 71: ...Installation 3 1 Festo P BE MPA EN en 0802c Chapter 3...
Page 106: ...3 Installation 3 36 Festo P BE MPA EN en 0802c...
Page 107: ...Commissioning 4 1 Festo P BE MPA EN en 0802c Chapter 4...
Page 128: ...4 Commissioning 4 22 Festo P BE MPA EN en 0802c...
Page 129: ...Maintenance and conversion 5 1 Festo P BE MPA EN en 0802c Chapter 5...
Page 169: ...Technical appendix A 1 Festo P BE MPA EN en 0802c Appendix A...
Page 186: ...A Technical appendix A 18 Festo P BE MPA EN en 0802c...
Page 187: ...Supplementary component summary B 1 Festo P BE MPA EN en 0802c Appendix B...
Page 201: ...Index C 1 Festo P BE MPA EN en 0802c Appendix C...
Page 202: ...C Index C 2 Festo P BE MPA EN en 0802c Contents C Index C 1...