38
Curtis 1232E/34E/36E/38E & 1232SE/34SE/36SE Manual, os 30
24 NOVEMBER 2015
3 — PROGRAMMABLE PARAMETERS: Response Parameters (TORQUE MODE)
2 – TORQUE MODE RESPONSE MENU
ALLOWABLE
PARAMETER RANGE DESCRIPTION
Accel Rate 0.1 – 30.0 s Sets the rate (in seconds) at which the motor torque increases to full
Accel_Rate_TrqM 100 – 30000 when full throttle is applied. Larger values represent slower response.
0x3026 0x00
Accel Release Rate 0.1 – 2.0 s Determines how quickly deceleration will be initiated when the throttle
Accel_Release_Rate_TrqM 100 – 2000 is released while the vehicle is still accelerating. If the release rate
0x3028 0x00 is fast (i.e., set to a low value), the transition is initiated abruptly.
The transition is smoother if the release rate is set to a higher value
(slower transition); however, setting the rate too high can cause the
vehicle to feel uncontrollable when the throttle is released, as it will
continue to drive for a short time.
Brake Rate
0.1 – 5.0 s Adjusts the rate (in seconds) at which braking torque builds as the
Brake_Rate_TrqM 100 – 5000 vehicle transitions from drive to braking when direction is reversed,
0x3029 0x00 the brake pedal is applied, or neutral braking begins. Lower values
represent faster times and therefore faster braking; gentler braking is
achieved by setting the braking rate to a higher value.
Brake Release Rate
0.1 – 2.0 s Adjusts the rate (in seconds) at which braking torque releases as
Brake_Release_Rate_TrqM 100 – 2000 as the vehicle transitions from braking to drive.
0x3831 0x00
Neutral Braking 0 – 100 % Neutral braking occurs progressively when the throttle is reduced
Neutral_Braking_TrqM 0 – 32767 toward the neutral position or when no direction is selected. The
0x302E 0x00 neutral braking parameter is adjustable from 0 to 100% of the regen
current limit (see Current Limits menu, page 41).
Neutral Taper Speed
200 – 6000 rpm Determines the motor speed below which neutral braking current
Neutral_Taper_Speed_TrqM 200 – 6000 is adjusted when throttle is reduced; see Figure 9.
0x302F 0x00 The neutral braking current is linearly reduced from Neutral
Braking * Regen Current Limit at the Neutral Taper Speed to the
CreepTorquecurrentatzerorpmmotorspeed.
Note: Setting the taper speed too low may cause oscillations in
the motor.
Forward Full Restraint Speed
100 – 32000 rpm Sets the speed point at which the full regen current will be applied to
Forward_Full_Restraint_Speed 100 – 32000 restrain the vehicle from rolling forward. Although this speed is never
_TrqM actually reached, it does set the slope of the restraint strength and
0x386D 0x00 can be thought of as a gain; see Figure 9. Setting this parameter too
low can cause oscillations.
Back Full Restraint Speed
100 – 32000 rpm Sets the speed point at which the full regen current will be applied to
Back_Full_Restraint_Speed_TrqM 100 – 32000 restrain the vehicle from rolling in reverse (backward). Although this
_TrqM speed is never actually reached, it does set the slope of the restraint
0x386E 0x00 strength and can be thought of as a gain; see Figure 9. Setting this
parameter too low can cause oscillations.