EB 8387-5 EN
53
Operating the positioner
7.2
Limiting the signal pressure
If the maximum actuator force may cause damage to the valve, the signal pressure must be
limited.
Î
Do not activate pressure limitation for double-acting actuators (AIR TO OPEN (AtO) fail-
safe position). Default setting is '
No
'.
Enable configuration at the positioner before limiting the signal pressure.
Enable configuration:
Configuration is locked again if no settings are entered within 120 s.
1.
Turn until Code
3
appears (reading:
OFF
).
2. Press
, the code number
3
blinks.
3.
Turn until
ON
appears.
4. Press
to confirm (reading: ).
Enable configuration
Default: No
Limit the signal pressure:
1.
Turn until Code
16
appears.
2. Press
, the code number
16
blinks.
3.
Turn until the required pressure limit
(
1.4/2.4/3.7
bar) appears.
4. Press
to confirm.
Pressure limit
Default: No
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