Samson 3730-5 - SAFE - Fail-Safe Position

automatic mode
Switch to manual operating mode
Turn
→
Code 0
Press , display:
AUtO ,
Code
0 blinks.
Turn
→
MAN
Press to switchover to manual mode.
The switchover is smooth since the manual
mode starts up with the set point last used
during automatic mode. The current position
is displayed in %.
Adjust the manual reference variable
Turn
→
Code 1
Press , Code
1 blinks.
Turn until sufficient pressure has been
built up in the positioner and the control
valve moves to the required position.
Note: The positioner automatically returns to
manual mode with Code 0 if no settings
are made within 120 seconds.
Switch to automatic operating mode
Turn
→
Code 0
Press , Code
0 blinks.
Turn
→
AUtO
Press . The positioner changes to auto
-
matic operating mode
8.2.2 SAFE – Fail-safe position
If you want to move the valve to fail-safe po-
sition determined during start-up (see sec-
tion 7.1), proceed as follows:
Turn
→
Code 0
Press , display: current operating mode
(
AUtO or MAN) , Code 0 blinks.
Turn
→
SAFE
Press , display: S .
The valve moves to the fail-safe position.
Once the positioner is initialized, the current
valve position is indicated on the digital dis
-
play in %.
Exit the fail-safe position
Turn
→
Code
0
Press , Code 0 blinks.
66 EB 8384-5 EN
Operation
% %
%