Samson TROVIS 3731-3, Mounting And Operating Instructions

Page: 57 / 100

Blocking position
Default: 0
Turn
→
Code 34
Press , Code 34 blinks.
Turn
→
Closing direction (CCL counter-
clockwise/CL clockwise)
Press
Turn
→
Code 35
Press , Code
35
blinks.
Turn
→
Blocking position, e.g. 5 mm
(read off at travel indicator scale of the
blocked valve or measure with a ruler).
Press
Start initialization:
Initialization
Fail-safe position setting
Progress indicated until
initialization starts
Blocking position
Turn
→
Code
0
Press , Code
0
blinks.
Turn
→
Init
Press . The setting of the fail-safe posi-
tion AtO or AtC appears.
Keep pressed down for 6 seconds.
Initialization starts after the progress indica-
tion has stopped.
The operating mode changes to
MAN .
The blocking position appears.
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 messages 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 reference
variable again, the blocking position must
be canceled and the positioner must be set
to automatic operating mode.
Turn
→
Code
1
Press , Code
1
and the icon blink.
Turn until the pressure in the positioner
builds up and the valve moves slightly past
the blocking position.
Press
to cancel the blocking position.
Turn
→
Code 0
Press , Code 0 blinks.
Turn
→
AUtO
EB 8387-3 EN
57
Start-up – Settings
mm
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