Group 19, Motor Controls
19-1-2 • Description SM 765, Sep ’06
Operational Features
Creep Speed
Parameters THROTTLE X POINT and THROTTLE Y
POINT control how the truck reacts when you first push
on the accelerator. Increasing THROTTLE X POINT will
give you more pedal stroke with less speed at the begin-
ning of the stroke. Increasing THROTTLE Y POINT will
give more speed with less pedal stroke. See Chart below.
Control acceleration
Parameter ACCELERATION DELAY allows the adjust-
ment of the time it takes to accelerate a stop to full speed.
See parameter-programming chart later in this manual.
Regenerative braking
Parameter INVERSION BRAKING allows for the adjust-
ment of the amount of time that it takes to stop the vehicle
when changing from one direction to the other. See
parameter-programming chart later in this manual.
Accelerator Pedal Position Plug braking
Parameter RELEASE BRAKING allows for the adjust-
ment of the amount of time that it takes to stop the vehicle
when you remove your foot from the accelerator. See
parameter-programming chart later in this manual.
Brake Pedal Regen Braking
Parameter PEDAL BRAKING allows for the adjustments
of the amount of regen braking you receive when you
apply the service brake. See parameter-programming
chart later in this manual.
Speed Limit
Parameters MAX SPEED FORWARD and MAX SPEED
BACKWARD allow for the adjustment maximum speed
that the vehicle can travel in each direction. The maxi-
mum speed is adjustable from 0 Hz to 140 Hz in 1 Hz
increments.
Example: 140 Hz = approx. 11.1 mph empty
78 Hz = approx. 6.2 mph empty
Stop on Ramp
When this feature is ON it lets the vehicle electrically hold
on an incline. Time is adjustable with AUXILIARY
TIME parameter.
When this feature is OFF the vehicle uses regen braking to
stop on an incline. Once the vehicle has stopped it will
hold for 1 second then continue to creep down the incline
at approx. 1 mph. The vehicle can continue up the ramp at
any time without hesitation.
Steering Time Delay
This feature uses the AUXILIARY TIME in the pump
control to delay turn off time when the directional lever is
returned to neutral. This parameter is adjustable from 0 to
20 seconds of delay.
Static Return to Off (SRO)
This feature requires the operator to return the directional
lever to the neutral position anytime they leave the vehicle
and return. If the parking brake, seat switch or key switch
is opened, the control shuts down and can not be restarted
(The dash display will show a -79 fault code) until the
directional lever is returned to neutral. A time delay of
approximately 2 seconds is built in to allow momentary
opening of the parking brake or seat switch.
Thermal Protector
Each controller has an internal thermal protector on the
heat sink. The controllers will reduce the output current
to 50% of the set current when the heat sink temperature
reaches 75°C. The dash will display the following codes
depending on which controller in over temperature, (Mas-
ter -61 code, Slave -140 code, and Pump -203 code).
VACC
MIN
VACC
MAX
TROTTLE 0
ZONE
TROTTLE X
POINT
TROTTLE Y
POINT
V
FREQ. CREEP
MAX SPEED
SPEED f(Hz)
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