Max - Initialization Based On Maximum Range - Samson 3730-5 Mounting And Operating Instructions

Closed position AIR TO CLOSE
If the slide switch is set to AIR TO CLOSE, the
positioner automatically switches to the di-
rection of action increasing/decreasing (äæ)
after initialization has been completed. This
results in the following assignment between
set point and valve position:
Direction of
Closed position
action
Actuator stem
extends (FA)

AIR TO OPEN
Actuator stem
retracts (FE)

AIR TO CLOSE
The tight-closing function has been activated.
Set Code 15 (final position w>) to 99 % for
three-way valves.
Canceling an initialization process
An initialization procedure in progress can
be canceled by pressing the rotary pushbut-
). STOP appears for three seconds on
ton (
the display and the positioner then changes
to the fail-safe position.
Exit the fail-safe position again over Code 0
(see section 8.2.2).
EB 8384-5 EN
Set point
Valve
CLOSED
OPEN at
at
0 % 100 %
100 % 0 %
7.6.1 MAX – Initialization
based on maximum
range
The positioner determines travel/angle of ro-
tation 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 configuration:
Note:

If no settings are entered within 120
seconds, the enabled configuration
function becomes invalid.
g Code 3, display: No
Turn
, Code 3 blinks.
Press
Turn  YES
Press , display:
Select the initialization mode:
Turn  Code 6
Press .
Turn  MAX
Start-up and settings
Default: No
Default MAX
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