Ag Leader Integra Users Manual - Manual (Page 304)

288 Firmware Version 5.4
Settings for a PWM Control Valve are described below.
Settings for a Servo Valve are described at “Spreader Control: Servo Control Valve” on page 289 .
The Spinner Tab appears behind the channel tabs. The Spinner Tab is where Fan Speed settings are
shown. The Spinner Tab and Fan Speed settings are described at
“Spreader Control: Spinner Tab” on
page 289 .
Spreader Control: PWM Control Valve
• PWM Frequency
The frequency that the PWM control valve is pulsed at.
Settings can be found from the manufacturer of the
valve. Typical settings range from 100-125 Hz. The
default setting is 100.
• PWM Gain
Determines how aggressively the control valve
responds when making rate adjustments. The higher the
value the more aggressive the system response is. The
default setting is 100.
• Zero Flow Offset
Represents the maximum duty cycle that is sent to the
control valve without producing any hydraulic flow from
the PWM valve. Using too high of a Zero RPM Offset value can cause the conveyor to not properly shut off.
See the PWM valve manufacturer information for recommended settings. The default setting is 30.
• Allowable Error
Determines the percent of error that is allowed prior to the product control system making any flow rate
changes. 2% - 3% is the normal dead band setting range.
- Too low of a setting value can cause the product control system to continually hunt for the target
application rate.
- Too high of a setting will cause excessive product application error.
• Shaft Speed Calibration
Calibration number representing the pulses that equal one revolution of the rate control metering system.
• Max Speed
The Maximum Conveyor Speed Setting determines the maximum RPM of the conveyor that controls
product distribution to the application point.
Spreader Control
Channel 1 Channel 2
Control Valve Configuration
PWM
Channel 3 Spinner
PWM Frequency
PWM Gain
Zero Flow Offset
100
100
30
2 %
Allowable
Error Shaft Speed
Calibration
180 pls/rev
Max Speed
60 rpm