Samson TROVIS 3730-3, Mounting And Operating Instructions

Page: 117 / 180

EB 8384-3 EN 117
Operating the positioner
The positioner automatically returns to Code 0 if no settings are made within 120 seconds,
but remains in the manual mode.
Switch to automatic mode
1. Turn until Code 0 appears.
2. Press , the code number 0 blinks.
3. Turn until
AUtO appears.
4. Press . The positioner switches to automatic mode.
7.11.2 Fail-safe position (SAFE)
If you want to move the valve to the fail-safe position determined during start-up (see sec-
tion 7.1), proceed as follows:
1. Turn until Code 0 appears.
2. Press , reading: current operating mode
(AUtO or MAN), the code number 0 blinks.
3. Turn until SAFE appears.
4. Press , reading: S
The valve moves to the fail-safe position.If
the positioner has been initialized, the cur-
rent valve position in % is indicated on the
display.
Exiting the fail-safe position:
1. Turn until Code 0 appears.
2. Press , the code number 0 blinks.
3. Turn and select the required operating mode (AUtO or MAN).
4. Press
to confirm.
5. The positioner switches to the operating mode selected.