4 — PROGRAMMABLE PARAMETERS
pg. 109
Return to TOC Curtis AC F4-A Motor Controller – August 2020
AC MOTOR SETUP MENU
PARAMETER ALLOWABLE RANGE DEFAULT DESCRIPTION
Max Speed Controller Limit
Max-Speed_Controller_Limit
0x30AF 0x00
0 – 12000 rpm
0 – 12000
Read Only
8000* RPM
Displays the maximum allowed speed that clamps the upper limit
of the Max Speed parameters.
*For speeds over 8000 rpm, consult Curtis Instruments.
Typical Max Speed
Typical_Max_Speed
0x3542 0x00
500 – 8000 rpm
500 – 8000
4000 rpm Set this parameter to the typical maximum motor speed of the
vehicle. This value does not need to be set precisely; an estimate
will do. This setting normalizes all the vehicle response rates to
this value (Typical Max Speed rpm).
For example suppose the Typical_Max_Speed is xed at 6000
rpm and the Full_Accel_Rate_LS_SpdM = 3.0 seconds:
If Max_Speed_SpdM = 6000 rpm it will take 3.0 seconds to
accelerate from zero to top speed
(6000 rpm).
If Max_Speed_SpdM = 3000 rpm it will take 1.5 seconds to
accelerate from zero to top speed
(3000 rpm).
If Max_Speed_SpdM = 1000 rpm it will take 0.5 seconds to
accelerate to accelerate from zero to top
speed (1000 rpm).
Motor Technology
Motor_Technology
0x3534 0x00
0 – 1
0 – 1
Read Only Set this parameter to the type of motor in your vehicle:
0 = ACIM (induction motor)
1 = SPMSM (surface permanent magnet synchronous motor)
1
Note: A Parameter Mismatch Fault will result unless the Feedback
Type matches the Motor Technology setting:
If Motor Technology = 0 (ACIM) then Feedback Type must = 1
(quadrature encoder).
If Motor Technology = 1 (SPMSM) Feedback Type must = 2
(sin/cos device)
1
1
The surface permanent magnet synchronous motor (SPMSM) option is not available in cdev 2.3.0.3.
AC MOTOR SETUP MENU
Presently, using the device prole indicated on the front page, the motor setup parameters apply to
alternating current induction motors (ACIM). Surface
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