Menu 3.4 Regulation User Setup - Hardi ISOBUS VT Operator's Manual

7 - Menu 3 Calibration
Menu 3.3.6 Length axle to boom for ASC
Set length from the sprayer's wheel axle to the boom, measured at the
nozzles. The distance is used when determining the path of the spray rig
as it moves around in the field.
ATTENTION! This menu is only for sprayers equipped with ISOBUS
and AutoSectionControl.

Menu 3.4 Regulation user setup

The sensitivity of pressure regulation valve can be adjusted. Values are to
be set for obtaining precise regulation, even if sensors fails.
The valve is controlled by up to five main sensors:
• Sprayer speed sensor:
This sensor reads the sprayer's forward speed which is used for
calculating the volume rate at all spraying speeds.
• Flow sensor:
This sensor reads the flow at the operating unit which is used for
calculating the pressure at all flow rates.
• Pressure sensor:
This sensor reads the pressure at the operating unit which is used
for calculating the flow at the pressure regulation valve.
• P.T.O. RPM sensor:
This sensor reads the pump RPM's which is used to calculate the flow from the pump at all pump speeds.
• Regulation valve opening angle sensor:
This sensor reads the opening angle for the rotary valve inside. When opening angle is known, the flow can be
calculated when the pressure is also known. The result is when forward speed, pump RPM's, etc. is known, then the
regulation valve can predict setting (Feed Forward) before opening the main ON/OFF. Thereby the volume rate is
correct even the forward speed has changed significantly since the main ON/OFF was closed (no fluctuation).
Menu 3.4.1 Flow sensor restriction
The menu defines the resistance in the plumbing and circuits of the
specific sprayer setup. As the resistance varies with the choice of flow
housing, this must be set up prior to spraying.
• Select value from the schematic and enter it in this menu.
Flow housing
HARDI® 13.5 mm 26.2 gpm
HARDI® 20 mm 41.2 gpm
HARDI® 36 mm 48.1 gpm
• Default value: 41.2 gpm (156 l/min)
7.8
Flow