4.5. Setting up the control valve
26
l Minimum on time: The minimum time that power needs to be
applied to move the valve.
l Maximum on time: The maximum time that power can be
applied to move the valve.
l Gain setting: This sets how quickly the controller will try to
achieve the required rate. If set too high, the sprayer may pass the
target rate and take time to adjust, searching for the right level. If
set too low, the valve will take a long time to move to the desired
rate and control will be slow to respond. Find the best gain
percentage for the equipment being used.
l PWM setting: This is the time that the Pulse Width Modulation
(PWM) is active. This setting is used to reduce the overall applied
voltage to the actuator. Use with caution as this will reduce the
torque that the actuator is able to apply. Control of a motor or
valve is achieved by varying the amount of time power is
switched on/off. This happens at a very fast rate.
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