Max - Initialization Based On Maximum Range - Samson 3730-2 Mounting And Operating Instructions

Start-up and settings
Fail-safe Direction of
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-
ton ( ). STOP is displayed for three sec-
onds and the positioner changes to the fail-
safe position.
Exit the fail-safe position again over Code 0
(see section 8.2.2).
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 %.
68
Set point
Valve
CLOSED
OPEN at
at
0 % 100 %
100 % 0 %
Enable configuration:
Note
If no settings are entered within 120 sec-
onds, the enabled configuration function be-
comes invalid.
Turn g Code 3, display: No
Press , Code 3 blinks.
Turn  YES
Press , display:
Select the initialization mode:
Turn  Code 6
Press .
Turn  MAX
Press to confirm the MAX as the initial-
ization mode.
Start initialization:
Î Press INIT key.
The nominal travel/angle of rotation is indi-
cated in % after initialization. Code 5 (nomi-
nal range) remains locked. The parameters
for travel/angle range start (Code 8) and
Default: No
Default MAX
EB 8384-2 EN