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CANBus Motor Controller

 

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Motor controllers receive supply voltages and provide signals to motor drives that are interfaced to motors. They include a power supply, amplifier, user interface, and position control circuitry.
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  • More Controllers, Fewer Cables
    (RS-232). All circuitry resides on relatively small PCBs so the control boxes have little mass. Consider a three-axis XYZ linear system with two linear motors, one dc motor, and peripheral controller and cabling. There are three moving control modules, a small, three-wire, shielded CANbus cable
  • A better approach to decentralized control
    for the process-control industry and are not optimized for motion control. Process control has neither the high frequency nor strict determinism required in many motion-control applications. As a case in point, look at fieldbuses such as CANbus and Profibus. They are widely used for discrete I/O control
  • An Innovative Cabling Concept Improves Reliability for Multi-Axis Stage Systems
    setting so the system integrator saves time and money. Summary The use of new, miniature size single axis motion controllers allows an innovative cabling concept. Each axis carries its own peripheral controller which is connected with motor, encoder and sensors by means of short, stationary cables
  • Ethernet Paves The Way For Simpler Distributed Motion-Control Systems
    be wired to the central controller located in the PC, including the motor, encoder, and limit signals. As the various components may be spread over a large area, the long wires needed reduce reliability, add noise that may degrade the system performance and increase system cost. Over the last 20 years
  • Pumping new life into mobile machines
    operate at optimum speed over the entire duty cycle. An electronic controller monitors inputs from various temperature sensors and provides output signals to the valves that regulate fan-motor speed. The system can noticeably improve fuel economy. "The power absorbed by a rotating fan is much
  • DSPs go heavy duty
    memory, CANbus support, timer channels, and motor-control functions. The rigorous core selection process and decision to use a DSP was an eye opener for many of the Sauer-Danfoss team. "The first big surprise was that the Texas Instruments TMS320F2810 and F2812 digital signal controllers turned out
  • Making sense of motion networks
    , brushless-dc, or stepmotors. One such product is the MC58000 Series from Performance Motion Devices Inc. It provides all the usual motion functions such as profile generation, servoloop closure, and commutation, but adds a complete CANbus network connection that simplifies construction of low-cost
  • Can do
    the controller with the motor shaft position for proper commutation via the serial interface, replacing the conventional +/-10V encoder interface. In a distributed system, the encoder is connected to the drive locally, not to the host controller. The motor shaft information is used by the drive

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