8-4
EB 8484-1 EN
Operation
8.4
Resetting the positioner (reset)
The process is disturbed by the movement of the actuator stem.
Î
Do not reset the positioner while the process is running. First isolate the plant by closing
the shut-off valves.
A reset causes an initialization to be undone and all parameters settings are reset to the de-
fault settings (see code list in Annex A).
Î
Enable configuration (Code P2).
1. Turn
until Code
P25
appears.
2. Press
and hold for 3 s (reading:
3
...
2
...
1
).
Î
The reading changes to Code
P0.
The reset procedure is complet-
ed.
Î
The fault indication icon is displayed since the positioner
needs to be re-initialized.
Î
The
E2
error code is displayed.
8.5
Restarting the positioner (boot)
The process is disturbed by the movement of the actuator stem.
Î
Do not restart the positioner while the process is running. First isolate the plant by closing
the shut-off valves.
A restart causes the positioner to be briefly switched off and on again. Calibration values re
-
main saved. A restart is necessary, for example after a firmware update.
NOTICE
!
NOTICE
!
Содержание TROVIS 3730-1
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