8
This mode utilizes the ground speed sensor only to regulate the amount of material that will be dispensed off the
vehicle. There are 9 configurable application rate settings available. The display will show “O” on the screen.
--- Closed Loop Mode-(C)
This mode utilizes both a conveyor and ground speed sensor to regulate the amount of material that will be
dispensed off the vehicle. There are 9 configurable application rate settings available. The display will show “C”
on the screen.
6.3 Sensor
Determine the number of pulses per revolution of conveyor motor you are using, and enter this value in the
‘sensor’ field, when closed loop mode is selected. During nulling or auto-nulling, this line will show the actual
conveyor speed.
6.4 Null
1. Press ENTER to manually null the minimum and maximum current (in %) to the valve solenoids.
WARNING: Once selected the conveyor or spinner has the ability to turn, and caution must be exercised.
2. Use up and down arrows to adjust the speed so that the motor just begins to turn.
3. Press to end ‘Minimum’ value editing and switch to the ‘Maximum’ value.
4. Do the same for “Maximum” except adjust the motor to a safe maximum speed or until the RRM readout
stops to increase.
6.5 Auto-nulling
The nulling of the valve solenoids for the minimum and maximum values can also be accomplished
automatically. Providing a conveyor sensor is being used in the system.
Press the ENTER to start the auto-null process, the text “Auto-nulling” will flash on the screen during procedure.
Auto-null will end after recording the minimum and maximum null values.
6.6 Gain
This is the percentage of valve output increase, introduced on the conveyor during start up, when the vehicle
starts to move, to overcome hydraulic motor pulsing and provide for instant, continuous movement of the
conveyor.
6.7 Blast in Spinner
This is to set the blast rate of the spinner based on the percentage of its maximal output. The default value is
zero, which means the spinner will not blast while the conveyor is blasting.
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