Return to TOC Curtis 1239E-1269E Manual, os 37.0 RevA – May 2021
4 — PROGRAMMABLE PARAMETERS
pg. 63
MOTOR: 1 – PMAC (PERMANENT MAGENT MOTOR): FIELD WEAKENING CONTROL MENU
PARAMETER ALLOWABLE RANGE DESCRIPTION
Field Weakening Rate
PMAC_Field_Weakening_Rate
0x3875 0x00
0 – 100 %
0 – 100
Sets the control loop gains for field weakening. Setting the rate too
low may create surging in the vehicle as it accelerates at mid to
high speeds.
Setting the rate too high may create high frequency oscillations
(usually audible) when the vehicle accelerates at mid to high speeds.
FW Current Limit (Apk)
PMAC_Field_Weakening_Min_Id
0x355C 0x00
–3200 – 0 A
–32000 – 0
Sets the minimum negative Id Current allowed in eld weakening.
MOTOR: 1 – PMAC (PERMANENT MAGENT MOTOR) MENU
PARAMETER ALLOWABLE RANGE DESCRIPTION
Motor Type
PMAC_Motor_Type
0x3854 0x00
1 – 89
1 – 89
[PCF]
This parameter references a predened table of motor parameters for
many PMAC motors.
This parameter appears in multiple places. Changing the value of
this parameter affects the parameter in:
Program » Motor » 1-PMAC (Permanent Magnet Motor) »
Commissioning Tests » Motor Type
Restricted Operation
PMAC_Restricted_Operation
0x351A 0x00
0 – 1
0 – 1
Limits motor to a safe range and stops regen to allow the controller
to never short the motor. This allows the controller to operate with a
current rating less than the motor short circuit current.
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