Other Parameter Tuning - Kohler Curtis F Series Manual

Curtis AC F2-A, F4-A, F6-A Motor Controllers – FOS 4.5 – April 2022
2.5 In the Torque Mode menu, adjust the four Accel, Brake, and Release Rate parameters as necessary
2.6 Adjust the Gear Soften and Reversal Soften parameters to match vehicle driveline tolerances to
2.7 Adjust the remaining parameters in the Torque menu to fine tune the Torque Mode to the

Other Parameter Tuning

Set the Speedometer/Odometer. Refer to the Application Setup » Vehicle menu.
Quick Link:
Vehicle menu p.94
Helpful hints:
(1) Set the Speed to RPM parameter by using the Distance Since Stopped variable to cover a known
(2) Use the Distance Since Stopped variable to verify the vehicle tire's rolling diameter based upon
pg. 190
while moving the throttle to different 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)
the application. Reference Fig. 13.
Programmer: Torque Mode » Fine Tuning:
Gear Soften
Reversal Soften
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
distance (e.g., 50 feet). Adjust the Speed to RPM parameter until the Distance Since Stopped
value matches the known distance.
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.
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6 — COMMISSIONING