Samson 3730 Series Mounting And Operating Instructions page 111

Enter closing direction and blocking position:
1. Turn until Code 34 appears.
2. Press , the code number 34 blinks.
3. Turn and set the closing direction (CCL
= counterclockwise/CL = clockwise).
4. Press to confirm.
5. Turn until Code 35 appears.
6. Press , the code number 35 blinks.
7. Turn to set the blocking position, e.g.
5 mm (read off at travel indicator scale of
the blocked valve or measure with a ruler).
8. Set switch for fail-safe position AIR TO
OPEN or AIR TO CLOSE according to sec-
tion 7.1.
9. Adjust volume restriction as described in
section 7.2.
Start initialization:
Î Press INIT key.
The positioner switches to MAN mode.
The blocking position is indicated.
Since initialization has not been completed, the error code 76 (no emergency mode) and
possibly also error code 57 (control loop) may appear on the display. These alarms do not
influence the positioner's readiness for operation.
Cancel the blocking position and change to automatic mode (AUTO):
For the positioner to follow its set point again, the blocking position must be canceled and
the positioner must be set to automatic mode as follows:
EB 8384-3 EN
Start-up and configuration
Closing direction (di-
rection of rotation caus-
ing the valve to move to
the CLOSED position
(view onto positioner
display); standard CCL
Blocking position
Default: 0
mm
7-15