Samson TROVIS 3730-1 Translation Of Original Instructions page 84

Start-up and configuration
NOTICE
!
Risk of malfunction due to incorrect sequence of mounting, installation and start-up.
Î Observe 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 7.3) after mount-
ing the positioner on the valve, checking the fail-safe position in Code P3 (see section 7.4),
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 7.5.
Reading after connecting the electrical power
Note
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
Reading when the positioner has been initialized:
%
7-2
Code P0 is displayed. The
position) appear on the display.
The reading indicates the lever position in degrees in relation to the
mid-position.
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 7.4.
fault indication icon and
S
(fail-safe
EB 8484-1 EN