DM542 Microstep Driver

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  • Input voltage 18-50VDC.
  • Output current programmable, from 1A to 4.2A.
  • Pulse input frequency up to 200 KHz.
  • Suitable for 2-phase and 4-phase motors.
  • Automatic idle-current reduction.
  • Over-voltage, over-current protection.
  • TTL compatible and optically isolated input.
  • Support PUL/DIR and CW/CCW modes.
  • Anti-Resonance, provides optimum torque and nulls mid-range instability.
  • The DM542 is a fully digital stepper driver developed with advanced DSP control algorithm based on the latest motion control technology. It has achieved a unique level of system smoothness, providing optimal torque and nulls mid-range instability. Its motor auto-identification and parameter auto-configuration feature offers quick setup to optimal modes with different motors. Compared with traditional analog drives, DM542 can drive a stepper motor at much lower noise, lower heating, and smoother movement. Its unique features make DM542 an ideal choice for high requirement applications.


  • CNC Digital Microstep driver DM542 Stepper Motor Controller 2-phase Digital Stepper Motor Driver 20-50V DC Max 4.2A for Nema 17, Nema 23 and Nema 34 series stepper motor, Replace M542 M542H
  • Suitable for Nema 17, Nema 23 and Nema34 Stepper Motor,2-phase hybrid stepper motors 
  • Optical isolation signal input
  • Output current DIP switch is adjustable
  • Bipolar constant current chopping method
  • High segmentation: 2,4,8,16,32,64,128,256. 5,10,25,50,125,200
  • TTL input signal compatible,while accepting differential signal input

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