Samson Series 3730 Mounting And Operating Instructions page 61

Enter closing direction and blocking posi-
tion:
mm
Turn ® Code 34
, Code 34 blinks
Press
Turn ® Closing direction (CCL counter-
clockwise/CL clockwise)
Press .
® Code 35
Turn
, Code 35 blinks
Press
Turn ® Blocking position, e.g. 5 mm
(read off at travel indicator scale of the
blocked valve or measure with a ruler).
Press to confirm the setting.
Define the valve end position:
4
Set switch for valve end position AIR TO
OPEN or AIR TO CLOSE as described in
section 7.1 on page 53.
4
Set volume restriction as described in
section 7.2 on page 51.
Closing direction
Direction of rotation caus-
ing the valve to move to the
CLOSED position (view
onto positioner display)
Default: CCL (counterclock-
wise)
Blocking position
Default: 0
Start initialization:
4
Press INIT key!
The operating mode is changed to MAN .
The blocking position is indicated.
Note: As initialization has not been carried
out completely, the error code 76 (no emer-
gency mode) and possibly also error code
57 (control loop) may appear on the dis-
play.
These alarms do not influence the
positioner's readiness for operation.
Cancel the blocking position and change to
automatic operating mode
For the positioner to follow its reference
variable again, the blocking position must
be canceled and the positioner must be set
to automatic operating mode as follows:
® Code 1
Turn
, Code 1 and
Press
Turn in order to move the valve slightly
past the blocking position.
Press to cancel mechanical blocking.
Turn ® Code 0
, Code 0 blinks.
Press
® AUtO
Turn
Press . The positioner switches to auto-
matic operating mode. The current valve po-
sition is indicated in %.
Note: If the positioner shows a tendency to
oscillate in automatic operating mode, the
parameters K and T
P
Start-up – Settings
blink
must be slightly cor-
V
EB 8384-2 EN
61