Samson 3730-3 Operating Instructions Manual page 79

− x control value (Code 49 - E1):
–10.0 to 110.0 %, [0.0 %])/[85.0 %]
− Activation delta y-monitoring
(Code 49 - A8): [No]/[Yes]
− delta y-monitoring value (Code 49 - A9):
0 to 100 %, [0 %]/[10 %]
− Activation PST tolerance band control (Code
49 - E5): Yes, [No]
− PST tolerance band (Code 49 - E6):
0.1 to 100.0 %, [5.0 %]
Types 3730-2/-3/-4/-5 (1.5x) and Type 3731-3:
Settings > Positioner > Error control >
Classification report > Extended > PST/FST
3. − PST/FST - Status active:
, [ ], , (
Type 3730-5 (1.6x) and Type 3731-5:
Settings > Positioner > Diagnosis
configuration > Classification
3. − PST/FST:
[ ], , ,
Diagnosis > Tests > Partial stroke test
4. Either:
− Target PST testing mode (Code 49 - A2):
[PST Man]
− Start test
EB 8389 EN
), ( )
,
Or: (with a control valve only in manual mode
(MAN), with an on/off valve only in automat-
ic mode (AUTO))
− Target PST testing mode (Code 49 - A2) =
PST Auto, [PST Man]
− Auto test time (Code 49 - A3):
[1 h] to 2345 d
NOTICE The positioner is write-protected when
tests are performed according to a schedule
(on-site operation and operating software).
Code 0 reading: "OC" and "PST" in alternat-
ing sequence
Code 3 reading: "PST" blinks.
Default setting depending on version
1)
Adjustment range depending on version
2)
Types 3730-4/-5 (1.5x) only
3)
Note
Cancel the test by right-clicking 'Stop test'
and selecting 'Execute' or by pressing the
rotary pushbutton at the positioner. After the
test has been canceled, the positioner
remains in selected mode. The 'Status of
partial stroke test' reading indicates 'Not
successful'.
In TROVIS-VIEW the test information and
progress flag of the test are displayed. The
'Test information' status indicates 'Test not
active' after the test is finished.
Note concerning setting the PST diagnostic
parameters
− We recommend only starting the partial
stroke test from the end positions. The
start value of on/off valves is the same
as the operating point.
Tests
79