Festo Smart cubic CPA-SC Series, Manual

Page: 118 / 136

A. Technical appendix
A−6
Festo P.BE−CPASC−EN en 0412b
Please note
The 3/2−way valve with Ident. code X is independent of
supply connection 1 on the valve terminal. With this valve
compressed air or vacuum is connected at connection 4.
The valve is exhausted via connection 3. Pilot air is sup
plied via the valve terminal.
1
Pilot pressure
(external pilot air)
at supply
connection 12/14
[bar]
2
Working range for
valves with
external pilot air
3
Operating
pressure at supply
connection 1 [bar]
0 1 2 3 4
5 6 7 8 9 10
0
1
2
3
4
5
6
7
8
9
1
2
3
Fig.A/1: Diagram: Pressure of external pilot air as a factor of the operating pressure
for valve plates with Ident. code I, N and K
1
Pilot pressure
(external pilot air)
at supply
connection 12/14
[bar]
2
Working range for
valves with
external pilot air
3
Operating
pressure P1 [bar]
0 1 2 3 4 5 6 7 8 9 10
1
2
3
4
5
6
7
8
9
−1
0
1
2
3
Fig.A/2: Diagram: Pressure of the external pilot air as a factor of the operating
pressure for valve plates with Ident. code M, J, B, E, G and X