Samson 3730-3 - MAX - Initialization based on maximum range

102 EB 8384-3 EN
Operating the positioner
Fail-safe position AIR TO CLOSE
If the slide switch is set to AIR TO CLOSE,
the positioner automatically switches to the
directionofactionincreasing/decreasing
(äæ) after initialization has been complet-
ed. This results in the assignment (left) be-
tween set point and valve position.
The tight-closing function has been activat-
ed.
Set Code 15 (set point cutoff increase) to
99% for three-way valves.
Fail-safe
position
Direction of
action
Set point
Valve
CLOSED
at
OPEN at
Actuator stem
extends (FA)
AIR TO OPEN

0% 100%
Actuator stem
retracts (FE)
AIR TO CLOSE

100% 0%
7.6.1 MAX – Initialization based on maximum range
Thepositionerdeterminestravel/angleofrotationoftheclosingmemberfromtheCLOSED
positiontotheoppositetravelstopandadoptsthistravel/angleofrotationastheoperating
rangefrom0to100%.
Enable conguration:
Ifnosettingsareenteredwithin120seconds,theenabledcongurationfunctionbecomesin-
valid.
1. Turn untilCode3appears(reading:
No).
2. Press , the code number 3 blinks.
3. Turn
until YES appears.
4. Press
toconrm(reading: ).
Enableconguration
Default: No
Select the initialization mode:
1. Turn untilCode6appears.
2. Press
, the code number 6 blinks.
3. Turn
until MAX appears.
4. Press
toconrmtheMAXinitialization
mode.
Default: MAX