Festo CPA VI Series Manual page 82

4. Commissioning
Desired Prerequisites
pneumatic
operating status
Free of leakage – Tubing connected with care
– Regulated auxiliary pilot air
Fast reaction Sufficient pressure supply via
pressure supply points
Faultless Non-return valves in common
exhaust line
Two or more Limiting the pressure zones with a
pressure zones separator plate.
Vacuum operation/ Externally supplied regulated
low-pressure auxiliary pilot air (3...8 bar)
operation
EMERGENCY STOP Guaranteeing the controller function
of pressure zones for the auxiliary pilot air despite the
complete supply being switched off.
Slow start-up after If there are control signals, the auxi-
EMERGENCY STOP liary pilot air must have a pressure of
3...8 bar.
Tab. 4/7: Pneumatic operating states
4-16
The following conditions should be fulfilled, in order that the
desired pneumatic operating states listed below can be
achieved:
Remarks
—
Exhaust the CPA valve terminal at
•
the left and right-hand end plates
(3/5)
Applies when several systems with
centrally ducted exhaust are used
Subsequent conversion possible
Controller can only be operated with
pressure (between 3...8 bar)
Vacuum/low-pressure operation not
with 3/2-way valves
The controller regulates the auxiliary
pilot air of all the valves sub-bases
on a CPA valve terminal.
Festo P.BE-CPA-EN en 0207c