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Motor Controllers Electric Power Steering Controller Model 1222

Model 1222 Electric Power Steering Controller The Curtis Model 1222 is an AC induction motor controller for 'steer by wire' electric power steering systems. In these systems, the steering motor functions as an actuator to change the angle of the vehicle's steered wheel(s) and so change the direction of travel. The Model 1222 performs as the steering system controller, interpreting the steering command input and wheel position feedback, then driving the steering motor to move the steered wheel to the desired position. Designed for use as an electric power steering controller for 300-1400W AC...

Electric Power Steering Controller FEATURES continued Unmatched Flexibility ► CANopen system communications. ► 35-pin AMPseal logic connector. ► Software includes a library of over 20 pre-defined AC steering motor types from various manufacturers. ► Programmable motor temperature input prevents thermal damage to motor and supports all commonly used thermistors. ► Integrated hour meter and diagnostic log functions. ► +5V and +10V low-power supplies for input sensors, etc. ► Curtis handheld and PC Windows programming tools provide easy programming and powerful system diagnostic and monitoring...

COIL RETURN MOTOR TEMP CONT DRIVER FEEDBACK DRIVER SYSTEM ACCESSORIES The Curtis Model 1313 Handheld Programmer is ideal for setting parameters and performing diagnostic functions. Curtis AC Motor Speed Controllers provide highly efficient control of AC induction motors performing traction drive or hydraulic pump duties, and offer the highest levels of functional safety. Curtis Steering Command Units are tough compact, and integrate seamlessly with the Model 1222 steering controller. Versions with constant or variable steering friction are available.

TYPICAL WIRING DIAGRAM J1-9 Fault Output FORCE FEEDBACK COIL Interlock Input 1 Interlock Input 3 Home Input 2 Home Input 4 Keyswitch Coil Return Force Feedback Driver +5V Command Analog 1 Command Analog 3 Ground Coil Return Contactor Driver CURTIS AC TRACTION CONTROLLER t An external 1200 resistor may be required at the 1222 end of the cAn bus. STEER CONTACTOR STEER CONTACTOR EMERGENCY STOP STEER COMMAND POTS * STEER COMMAND ENCODER 1 and ENCODER 2 +5V Command Encoder 1A Command Encoder 1B Command Encoder 2A Command Encoder 2B Ground B-O * Mutually exclusive; use either pots or encoders....

WARRANTY Two year limited warranty from time of delivery. You feel it when you drive it is a trademark of Curtis Instruments, Inc. Specifications subject to change without notice