About the closed loop stepper:


Closed-loop stepper with step-loss compensation is the most common type of closed-loop stepper control. The stepper drive operates as a micro-stepping drive and typically receives pulse and direction commands to move to the desired position. An encoder tracks shaft or load position. If lost steps are detected, a compensation algorithm inserts additional steps so that the motor shaft (or load) arrives at the desired position. Typically, the stepper-motor drive has settings for two currents: The motor gets running current when in motion and gets resting current when stopped.

Closed Loop Stepper System01 .jpg

They have been successfully implemented in many industrial such as CNC machinery (CNC routers, plasma, laser engravers/cutters, grinding machines, milling machines, etc), semiconductor, medical, lab automation, packaging...

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Ideal application areas for closed loop stepper motors:

  • Multiple axis applications (serial, Ethernet, EtherCAT, CANopen)
  • Positioning tasks with load changes
  • Winding applications
  • Belt drives (start/stop, positioning)
  • Dosing pumps, filler systems
  • Semi-conductor mounting
  • Wafer production
  • Textile machines/industrial sewing machines
  • Robotics
  • Testing and inspection systems
  • Applications that require quiet operation, short settling times and precision positioning

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