40
EB 8394 EN
Start-up
7
Start-up
Before start-up, mount the positioner following the sequence described in section 4.1. Apply
the electric reference variable to start up the positioner. Refer to section 5.2.
Note:
−
LOW
on the display indicates that the reference variable is lower than 3.8 mA.
−
The positioner is ready for operation with its default settings for most applications.
−
Immediately after connecting the power supply, the capacitive keys are automati-
cally calibrated. This procedure takes approx. 3 seconds. During this time, do not
touch the keys. Otherwise, the keys will not react when touched. Disconnect and re
-
connect the power supply to reset the keys if they do not react.
Reading after connecting the power supply
Reading when the positioner has
not
yet been initialized
S
Code
P0
is displayed. The
fault indication icon and
S
(fail-safe po
-
sition) appear on the display.
The reading indicates the lever position in degrees in relation to the
mid-axis.
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 8.8.
Summary of Contents for 3725 series
Page 59: ...EB 8394 EN 59...
Page 60: ...60 EB 8394 EN...
Page 61: ...EB 8394 EN 61...
Page 62: ...62 EB 8394 EN...
Page 63: ...EB 8394 EN 63...
Page 64: ...64 EB 8394 EN...
Page 65: ...EB 8394 EN 65...
Page 66: ...66 EB 8394 EN...
Page 67: ...EB 8394 EN 67...
