Samson Series 3730 Mounting And Operating Instructions page 64

Start-up – Settings
Travel [%]
100
80
60
40
20
t > 6 s
Start PST
Travel [%] Start PST
100
80
60
40
20
t > 6 s
After the partial stroke test is completed, the
valve moves back to its last position
(fail-safe position or Operating point ).
Note: The partial stroke test (PST) is per-
formed according to the settings in Code 49
- d2 to 49 - d9. Refer to EB 8389 EN on
EXPERTplus valve diagnostics.
Cancelation of the partial stroke test (PST)
The partial stroke test is canceled whenever
the reference variable leaves the range be-
tween Limit fail-safe position and Limit oper-
ating point .
64
EB 8384-2 EN
Code 49 - h1
Code 49 - h5
Code 49 - h4
Code 49 - h3
Code 49 - h2
Code 49 - d2
Time [s]
End PST
Code 49 - h1 =
End PST
Code 49 - d2
Code 49 - h5
Code 49 - h4
Code 49 - h3
Code 49 - h2
Time [s]
After the test has been canceled, the valve
moves back to its last position (fail-safe posi-
tion or Operating point ).
Performing settings
Configuration at the positioner must be en-
abled before the application type
(open/close valve) can be set:
Turn ® Code 3, display: No
Press , Code 3 blinks.
® YES
Turn
Press , display:
Select open/close valve:
Turn ® Code 49
, Code 49 blinks.
Press
® Code h0
Turn
, Code h0 blinks.
Press
Turn ® YES
Press .
After setting the application type as
open/close valve, enter the operating point,
test limits and limits for discrete analysis:
Turn ® Code h1/h2/h3/h4/h5
Press , Code h1/h2/h3/h4/h5 blinks.
Turn and set the selected parameter.
Press to confirm the setting.