Samson TROVIS 3731-3, Mounting And Operating Instructions

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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