Samson Electri Actuator Type 3374 EB 8331-1 EN User Manual
5.3.1 Calibrating the positioner
To calibrate the positioner, proceed as de-
scribed in section 4 of EB 8331-2 EN.
scribed in section 4 of EB 8331-2 EN.
5.3.2 Simplest method to calibrate
the actuator
If tools such as the TROVIS-VIEW software,
PC etc. are not available for calibration of
the actuator and the actuator operation with
maximum precision is not necessary, the
simplest calibration method can be per-
formed as follows:
PC etc. are not available for calibration of
the actuator and the actuator operation with
maximum precision is not necessary, the
simplest calibration method can be per-
formed as follows:
1. Position the selector switch (2) to operat-
ing mode 0 =
.
2. Press down the travel calibration button
(5) for at least 15 seconds until both sig-
nal lamps light up.
nal lamps light up.
3. Release the button to start calibration.
The actuator stem extends until the
torque-dependent switches switch off the
actuator.
The position of the potentiometer is
checked.
torque-dependent switches switch off the
actuator.
The position of the potentiometer is
checked.
4. Re-adjust the potentiometer, if neces-
sary, while observing the signal lamps.
Refer to the description given on
page 14 of EB 8331-2 EN.
After adjusting the potentiometer, the
calibration of the actuator is continued.
Refer to the description given on
page 14 of EB 8331-2 EN.
After adjusting the potentiometer, the
calibration of the actuator is continued.
4
Mount the actuator on the valve and set
the positioner as described in section
4.3 of these instructions.
the positioner as described in section
4.3 of these instructions.
22
EB 8331-1 EN
Retrofitting additional electrical equipment