9.2
electrical installation
with cable gland
note!
Breakage of the pneumatic connection pieces due to rota-
tional impact.
▶ When unscrewing and screwing the transparent cap, do not hold
the actuator of the process valve but the connection housing.
procedure:
→
Open the Pneumatic Control Unit: unscrewing the transparent
cap in an anticlockwise direction.
→
Push the cables through the cable gland.
→
Connect the wires according to the model (options) of the Pneu-
matic Control Unit.
→
Close the Pneumatic Control Unit.
Connection housing
Fig. 18: Position of the screw terminals
22
1
Printed
circuit board
2
Screw
3
terminals
4
5
6
english
Type 8690
Electricalinstallation
9.2.1 connection diagram
with micro switches
(mechanical limit switches)
terminal configuration
external circuit
1
Micro switch
top (NO)
2
3
Micro switch
bottom (NO)
4
Valve control
5
5
0 / 24 V
Valve control
6
6
GND
Tab. 2:
Connection diagram with micro switches
1
Micro switch top (NO)
2
Micro switch top (NO)
3
Micro switch bottom (NO)
4
Micro switch bottom (NO)
0/24 V DC ± 10 %
Residual ripple 10 %