Kohler Curtis AC F2-T User Manual

4 — PROGRAMMABLE PARAMETERS
pg. 51
Return to TOC Curtis AC F2-A, F4-A, F6-A Motor Controllers – FOS 4.5 – April 2022
SPEED MODE EXPRESS — SPEED CONTROLLER MENU
PARAMETER ALLOWABLE RANGE DEFAULT DESCRIPTION
Max Speed
Max_Speed_SpdMx
0x3866 0x00
100 – 24000
100 – 24000
4000 rpm Denes the maximum requested motor rpm at full throttle. Partially
applied throttle is scaled proportionately; e.g. 40 % applied throttle
corresponds to a request for 40 % of the set Max Speed Value.
NOTE: The maximum motor rpm is subject to the Traction-Motor
Speed constraints.
Kp
Kp_SpdMx
0x3865 0x00
5 – 100 %
50 – 1000
30 % The proportional term (Kp) determines how aggressively the speed
controller attempts to limit the speed of the motor to Max Speed.
Larger values provide tighter control.
If Kp is set too high the system may experience oscillations as the
controller tries to control speed.
Setting Kp too low may result in an overshoot beyond Max Speed.
Ki
Ki_SpdMx
0x3864 0x00
5 – 100 %
50 – 1000
30 % The integral term (Ki) forces zero steady state error so the motor
will run at exactly the commanded speed. Larger values provide
tighter control.
Oscillations may occur when setting the gain too high, as the
controller tries to control the speed.
If it is set too low the motor may take a long time to approach the
exact commanded speed.
Accel Rate
Accel_Rate_SpdMx
0x3861 0x00
0.1 – 30.0 s
100 – 30000
2.5 sec Sets the rate (in seconds/Typical Max Speed) at which the speed
command increases when throttle is applied. Larger values
represent slower response.
Decel Rate
Decel_Rate_SpdMx
0x3863 0x00
0.1 – 30.0 s
100 – 30000
10.0 sec Sets the rate (in seconds/Typical Max Speed) that is used to
slow down the vehicle when throttle is reduced. Larger values
represent slower response.
Brake Rate
Brake_Rate_SpdMx
0x3862 0x00
0.1 – 30.0 s
100 – 30000
1.0 sec Sets the rate (in seconds/Typical Max Speed) at which the vehicle
slows down when brake is applied or when throttle is applied in
the opposite direction. Larger values represent slower response.
AC Pump Enable
AC_Pump_Enable_SpdM
0x3807 0x00
Off/On
0 – 1
Off This parameter should be programmed On to operate a pump
motor rather than a vehicle drive motor. Speed controller
responsiveness, stability, and smoothness are enhanced.
This should give a more consistent feel to hydraulic functions
regardless of load differences.
Quick Link:
RPM Constraints p.32
Speed Mode Express Parameter menus
Speed Mode Express is a simplied version of Speed Mode with a reduced set of parameters that is
adequate for most speed-controlled applications. Speed Mode Express oers a less complex setup
when multiple modes are employed (i.e., dierent maximum speeds, acceleration rates, or braking
rates based upon vehicle operating conditions).
Note: e Curtis Integrated Toolkit
TM
Programmer App does not lockout the Speed Mode parameters.
To prevent conicts, follow the images here, paying attention to the parameter’s VCL name where:
• Speed Mode Express parameters end in “_SpdMx”.
• Speed Mode parameters end in “_SpdM”.
e six basic Speed Mode Express parameters whose VCL Parameter_Names end with “_SpdMx” cannot
be substituted with the similar Speed Mode parameters which end in “_SpdM” in VCL programs. Always
use the VCL parameter name as shown in the selected Curtis Integrated Toolkit
TM
control mode selection.
Within the Speed Mode menus, parameters devoid of the “_SpdM” apply to the Speed Mode Express
setup. erefore, aer completing the Speed Mode Express parameters, proceed through the Speed Mode
menus to set those parameter that may apply to the application. Otherwise, leave at the default value.

Kohler Curtis AC F2-T Specifications

General

Brand	Kohler
Model	Curtis AC F2-T
Category	Controller
Language	English