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CONTROL OVERVIEW
CHANNEL SETUP SYSTEM
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1.
Flowmeter Units & Value
This defines the flow pulse units and calibrates the system
to the flowmeter factory setting. Enter the value from the
flowmeter on the machine in this field. If the flow meter
value uses a different value, like Pulses Per 10 Gallons,
touch the white "Pulses Per Gallon" field and choose the
appropriate value. If necessary, fine tune this value using
the Fine Tune Flowmeter softkey.
2.
Fullscale Pressure
Displays and adjusts full scale (maximum) value for
pressure transducer. Default is 150 PSI.
3.
Pressure Offset
Adjusts system to calculate pressure readings when
using an "Absolute" style pressure sensor. Input Absolute
Atmospheric Pressure in PSI (bar) for your location.
4.
Control Valve - DC
Enables DC (reversing polarity DC) for Servo-type flow
control valves. The parameters shown, Valve Polarity
and Auto Shutoff are specific for DC control (visible if
checked).
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Valve Polarity - Choose Inline or Bypass operation.
•
Auto Shutoff – Enabling will open the control valve to
minimum flow each time HOLD is selected, or when
all (non-zero width) sections are turned off, or when
in AUTO and ground speed goes to zero. Duration of
Auto Shutoff feature is 18 seconds. Leaving the Auto
Shutoff box unchecked will maintain the inline control
valve's position, until spraying resumes.
HYP1100 (04-08-21)
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5.
Control Valve - PWM
Enables Pulse Width Modulation valve control.
6.
Operating Frequency
Operating Frequency for PWM valve control default is 200.
7.
Agitation Duty Cycle
This value enables tank agitation when system is in HOLD,
and adjusts the desired duty cycle for the agitation. NOTE:
If using a centrifugal pump, this setting may also be used
to maintain system pressure in HOLD to minimize delay
achieving Target Rate when resuming RUN.
8.
Minimum Duty Cycle
This setting is the PWM duty cycle low limit for the
PWM controlled pump. If necessary, fine tune this value
using the Set PWM Limits procedure in Channel Setup –
Operation.
9.
Maximum Duty Cycle
This setting is the PWM duty cycle high limit for the
PWM controlled pump. If necessary, fine tune this value
using the Set PWM Limits procedure in Channel Setup –
Operation.
10. Set PWM Limits
This button opens another screen that allows the operator
to adjust PWM duty cycle limits.
11. Fine Tune Meter
This button opens another screen that allows the operator
to fine tune flowmeter calibration settings.
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