
Adjust the manual set point
Turn
→
Code 1
Press , Code
1 blinks.
Turn until sufficient pressure has been
built up in the positioner and the control
valve moves to the required position.
Note: The positioner automatically returns to
manual mode with Code 0 if no settings
are made within 120 seconds.
Switch to automatic operating mode
Turn
→
Code 0
Press , Code 0 blinks.
Turn
→
AUtO
Press . The positioner changes to au
-
tomatic operating mode.
8.2.2 SAFE – Fail-safe position
If you want to move the valve to fail-safe po
-
sition determined during start-up (see sec
-
tion 7.1), proceed as follows:
Turn
→
Code 0
Press , display: current operating mode
(
AUtO or MAN), Code 0 blinks.
Turn
→
SAFE
Press , display: S.
The valve moves to the fail-safe position.
Once the positioner is initialized, the current
valve position is indicated on the digital dis-
play in %.
Exit the fail-safe position
Turn
→
Code 0
Press , Code 0 blinks.
Turn and select the required operating
mode AUtO or MAN.
Press . The positioner switches to the op
-
erating mode selected.
72 EB 8384-4 EN
Operation
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