Advertisement
For the calibration of the VA9310
proceed as follow:
The Calibration function enables the actuator to redefine the
selected input signal range proportionally across a reduced
rotation range. The actuator maintains calibration when power is
lost or removed.
Locate the oval cover on the front of the unit and pull the cover
outward. See figure below for iewing the DIP switches and
LEDs meaning.
With power applied to the actuator, press
three LEDs are on.
Remove the oval
Remove the oval
cover
cover
DIP Switches LEDs Placement
The actuator begins rotating until the end-stops are found.
When the actuator reach the starting position and stops it's
calibrated and ready to work.
Mounting position: any between vertical and horizontal. Mounting upside down should be avoided
CONTROL VALVE ACTUATORS
Actuator assembly with
pre-setting device on.
Enter/Autocal
until all
Calibration (CAL) Function
valid for
VA9208-GGx-1 Series
The CAL function enables the actuator to redefine the selected
input signal range proportionally across a reduced rotation
range. The actuator maintains calibration when power is lost or
removed.
Follow these steps to calibrate the input signal range:
1. With power applied to the actuator, move the mode selection
switch to the CAL position and leave it in this position for
approximately 5 seconds. The actuator begins rotating until
the end-stops are found.
2. Move the mode selection switch to the desired input signal
range. Selection can be made while the calibration process is
in progress, or after it is complete. The selected input signal is
proportionally reconfigured to the reduced rotation range.
Note: During normal operation, if the actuator stroke
increases due to seal or seat wear, input signals are automatically
reconfigured to the increased rotation range in approximately 0.5°
increments.
3. If the actuator mounting position is changed or if the linkage is
adjusted, repeat Step 1 and Step 2 to repeat the CAL function.
Note: The mode selection switch must remain out of the CAL
position for at least 2 seconds before re-initiating the
CAL function.
Note: If the mode selection switch is left in the CAL position,
the actuator defaults to 0-10 V input signal range, DA.
actuators
Advertisement
