Curtis 1244 Manual, Rev. E
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1 — OVERVIEW
OVERVIEW
Curtis 1244 MultiMode™ controllers are separately excited motor speed con-
trollers designed for use in a variety of material handling vehicles. ese pro-
grammable controllers are simple to install, efficient, and cost eective. Typical
applications include low lifts, stackers, fork lifts, reach trucks, personnel carriers,
counterbalance trucks, order pickers, boom trucks, and other industrial vehicles.
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Fig. 1 Curtis 1244
MultiMode™ electronic
motor controller.
e 1244 MultiMode™ controller oers smooth, silent, cost eective
control of motor speed and torque. A four quadrant, full-bridge field winding
control stage is combined with a two quadrant, half-bridge armature power stage
to provide solid state motor reversing and regenerative braking power without
additional relays or contactors. e 1244 controller can also be specified to be
compatible with CAN Bus communication systems.
ese controllers are fully programmable by means of the optional hand-
held programmer or PC programming station. Use of the programmer provides
diagnostic and test capability as well as configuration exibility.
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