Samson TROVIS 3730-1 - Operating the positioner

EB 8484-1 EN 77
Operating the positioner
8 Operating the positioner
Risk of malfunction due to incorrect sequence of mounting, installation and start-up.
Keep the following sequence.
1. Remove the protective caps from the pneumatic connections.
2. Mount the positioner on the valve.
3. Connect the supply air.
4. Connect the electrical power.
5. Perform settings.
For normal operation, simply start initialization over Code P22(seesection8.3)aftermount-
ingthepositioneronthevalve,checkingthefail-safepositionoverCodeP3(seesection8.4),
to ensure that the positioner works properly. The positioner only works with its default set-
tings.Furthersettingoptionsforlocaloperationaredescribedinsection8.5.
Reading after connecting the power supply
LOW on the display indicates that the set point is lower than 3.8mA.
HIGH on the display indicates that the set point is higher than 22mA.
Readingwhenthepositionerhasnot yet been initialized
S
Code P0 is displayed. The fault indication icon and
S
(fail-safe
position) appear on the display.
The reading indicates the lever position in degrees in relation to the
mid-position.
Readingwhenthepositionerhasbeeninitialized:
%
Code P0 is displayed. The positioner is in closed-loop operation indi-
cated by the
closed-loop operation icon.
The indicated value corresponds to the control position in %.
Details on initialization of the positioner: section8.4.
NOTICE
!
Note