Festo Smart cubic CPA-SC Series, Руководство пользователя

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4. Commissioning
4−7
Festo P.BE−CPASC−EN en 0412b
The effects of slow start−up pressurization when there are
electric signals is shown in the following table:
External
pilotair Pressure
build−up of
the complete
supply Pressure build−
up of the pilot
air (12/14) Time point
when the
valve switches Movement of
the actuator
Branched after the
safety start−up
valve slowly slowly after pressure in
crease at (1)
fast
Branched before
the safety start−up
valve slowly fast before pressure
increase at (1)
slowly
Tab.4/1: Effects of slow start−up pressurization
4.2 Manual override
You should use the manual override principally when commis
sioning the pneumatic system in order to check the functional
ability and effects of the valve or valve−actuator combination.
By actuating the manual override you can switch the valve
without an electric signal. Only the compressed air supply
needs to be switched on.
The manual override has been designed to be used as
follows:
Manual override design Functioning method
Non−locking The manual override is reset auto
matically by spring force.
Turning, locking The manual override remains active
until it is reset by hand.
Tab.4/2: Types of manual override actuation