6 — COMMISSIONING
Curtis AC F2-A, F4-A, F6-A Motor Controllers – FOS 4.5 – April 2022 Return to TOC
pg. 190
2.5 In the Torque Mode menu, adjust the four Accel, Brake, and Release Rate parameters as necessary
while moving the throttle to dierent positions (i.e., neutral to full throttle, half throttle to full
throttle, full throttle to half throttle, full throttle to neutral, neutral to low throttle, etc.).
Programmer: Torque Mode:
Accel Rate (0x3902)
Accel Release Rate (0x3904)
Brake Rate (0x3907)
Brake Release Rate (0x3908)
2.6 Adjust the Gear Soen and Reversal Soen parameters to match vehicle driveline tolerances to
the application. Reference Fig. 13.
Programmer: Torque Mode » Fine Tuning:
Gear Soen
Reversal Soen
2.7 Adjust the remaining parameters in the Torque menu to ne tune the Torque Mode to the
application. Read the parameter descriptions and adjust as necessary.
Programmer: Torque Mode » Fine Tuning:
Brake Full Creep Cancel
Creep Build Rate
Creep Release Rate
Max Speed Decel
Other Parameter Tuning
Set the Speedometer/Odometer. Refer to the Application Setup » Vehicle menu.
Helpful hints:
(1) Set the Speed to RPM parameter by using the Distance Since Stopped variable to cover a known
distance (e.g., 50 feet). Adjust the Speed to RPM parameter until the Distance Since Stopped
value matches the known distance.
(2) Use the Distance Since Stopped variable to verify the vehicle tire’s rolling diameter based upon
a rollout measurement for the tire/wheel combination and the Speed to RPM parameter.
• Tire Circumference (C) = Distance/wheel-revolutions.
• Diameter (d) = C/Π, where Π (pi) = 3.14159.
Quick Link:
Vehicle menu p.94
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