Series 168
OPERATION
603171EA
Edition 2014-04-29
15/29
5.5
3-position actuator (optional)
5.5.1
3-position actuator control logic
Impulse Solenoid (optional)
Gate Position
V1
V2
MV
1
MV
2
MV
1
MV
2
Open
+
-
-
+
Intermediate
-
+
+
-
Close
-
+
-
+
+
=
Power on coil
-
=
No power on coil
5.5.2
Adjustment procedure of third position
1. Remove complete air pressure supply from the gate valve actuator.
2. Unlock clamping screw (3).
3. Turn the adjustment screw (4) clockwise (closing direction) or counter-clockwise
(opening direction) to adjust the third position.
4. Lock clamping screw (3).
5. Apply air pressure according to chapter «5.5.1 3-position actuator control logic» to
move the gate into the intermediate position. Repeat item 1 to 4 until required third
position is adjusted.
6. Turn the adjustment screw (5) of the position indicator (PI) to the right or the left until
the positing indicator switch for the intermediate position is closed.
(Pin 3 and 4 closed; See product data sheet)
Without solenoid valve
With solenoid valve
Gate position
Air inlet port
Gate position
Solenoid
OPEN CLOSE
MID
V1
V2
Open
+
-
-
Open
+
-
Intermediate
-
+
+
Intermediate
-
+
Close
-
+
-
Close
-
-
+ =
Air pressure applied on specific port
+ =
Power on coil
- =
Air pressure not applied specific port
-
=
No power on coil
