Return to TOC Curtis 1239E-1269E Manual, os 37.0 RevA – May 2021
4 — PROGRAMMABLE PARAMETERS
pg. 57
MOTOR MENU
PARAMETER ALLOWABLE RANGE DESCRIPTION
Typical Max Speed
Typical_Max_Speed
0x304D 0x00
500 – 10000 rpm
500 – 10000
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. All of the vehicle
response rates are normalized to Typical Max Speed.
For example, suppose Typical_Max_Speed is xed at 6000 rpm, and 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).
Note:
This parameter appears in multiple places. Changing the value of this
parameter affects all parameters listed below:
Program » Motor » 1 – PMAC (permanent Magnet Motor) » Commissioning
Tests » Typical Max Speed
Motor Technology
Motor_Technology
0x3814 0x00
0 – 1
0 – 1
[PCF]
Set this parameter to the type of motor in the vehicle:
0 = ACIM (induction motor)
1 = PMAC (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 the Feedback Type must = 1
(quadrature encoder).
If Motor Technology = 1 (PMAC), then the Feedback Type must = 2
(sin/cos device).
1
PMAC Considerations
PMAC Support
All existing 1239E models and the 1269E support PMAC operation with OS 37.0, but the OEM must
insure that KSI power is active any time the motor is moving. Removal of KSI power when the motor
is spinning past the base speed may result in immediate controller damage.
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