2200 SRM 1286
Parameters
AC Traction Motor
The AC traction motor is a three-phase AC induction
motor. The motor does not include motor brushes or
a commutator. An AC induction motor operates on
three-phase AC power provided directly by the con-
troller. The motor speed is controlled by the motor
controller and can be changed by the frequency of the
AC power supplied to the motor. A speed sensor has
been built into one of the motor bearings which pro-
vides feedback to the motor controller allowing soft-
ware to continually monitor motor direction and rev-
olutions per minute (RPM). Using this feedback sys-
tem, the AC motor control can provide much better
vehicle top speed control than the older DC SEM sys-
tems.
Controller
The motor controller converts DC power from the
truck battery to three-phase AC power at the fre-
quencies and currents necessary to drive the traction
motor. A bearing in the traction motor provides feed-
back of speed, rotation direction, and temperature di-
rectly to the motor controller.
The motor controller receives power through the
main contactor which is controlled by the key
switch. The controller receives inputs from the con-
trol handle and the hand rail switches to control lift
truck functions.
NOTE:
There are no serviceable parts in the motor
controller. No attempt should be made to open re-
pair, or otherwise modify the controller. Doing so
may damage the controller and/or lift truck. Remov-
ing the cover from the controller will void the war-
ranty.
Service PC Connection
The lift truck is equipped with a connection point to
connect a laptop computer with ETACC software in-
stalled. This connection can be used to adjust certain
lift truck parameters and to assist with troubleshoot-
ing the lift truck.
Parameters
GENERAL
A parameter is a measurement or a setting that de-
fines a lift truck function. A specific function param-
eter works with other function parameters to control
the operation of the lift truck.
WARNING
The parameter for each function has a value
range so the motor controller can be used on
different models of lift trucks. This variation
is needed for lift trucks of different sized and
operation voltages. Adjustment of a function
to the wrong number value for your lift truck
model can cause the truck to operate differ-
ently than normal. This different operation of
the truck can cause an injury.
NOTE:
Table 1 shows the factory default setting for
each parameter that is adjustable by the user.
Parameters can be adjusted through the dash dis-
play. The factory default values listed in Table 1 are
the recommended settings for new units. These set-
tings will give satisfactory performance for most ap-
plications.
WARNING
If any of the parameter values are changed, the
operators must be told the lift truck will oper-
ate differently.
NEVER adjust any of the following parameters
without using the procedures and settings
given in this section.
Function Parameter Descriptions in this section
contains descriptions for the different parameters.
These parameters can also be accessed using the
ETACC PC software.
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