Press
Select initialization mode:
Initialization mode
Default: MAX
Turn
→
Code 6
Press , Code
6 blinks.
Turn
→
NOM
Press to confirm the NOM initialization
mode.
Start initialization:
Initialization
Fail-safe position setting
Progress indicated until
initialization starts
Turn
→
Code 0
Press , Code
0 blinks.
Turn
→
Init
Press . The setting of the fail-safe position
AtO or AtC appears.
Keep pressed down for 6 seconds.
Initialization starts after the progress indica
-
tion has stopped.
Note: After initialization, check the direction
of action and, if necessary, change it
(Code 7).
7.5.3 Initialization based on MAN
manually selected range
Before starting initialization, move the con
-
trol valve manually to the OPEN position by
turning in small steps. The valve must
move to the required valve position with a
monotonically increasing signal pressure.
The positioner calculates the differential
travel/angle using the OPEN and CLOSED
positions and adopts it as the operating
range with limits of travel/angle range start
(Code
8) and travel/angle range end
(Code 9).
Enter OPEN position:
Manual reference variable
(the current angle of rotation
is displayed)
Turn
→
Code 0
Press , Code
0 blinks.
Turn
→
MAN
Press
Turn
→
Code 1
Press , Code
1 blinks.
EB 8387-3 EN 53
Start-up – Settings
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