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stepper motor driver testing

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October 20, 2025
Category Connection: Stepper Motor Drivers
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Brief: In this video, we demonstrate the testing procedures for the DM542 and DM556 stepper motor drivers. Watch as we showcase their performance with NEMA17 and NEMA23 motors, explain the wiring connections, and highlight the low-noise DSP digital control features in a real-world setup.
Related Product Features:
  • Supports a wide voltage output range from 20V to 80V for versatile applications.
  • Delivers maximum current outputs of 5.6A for DM556 and 4.2A for DM542 models.
  • Features a 2-phase open-loop pulse motor driver design for reliable operation.
  • Compatible with NEMA17, NEMA23, NEMA42, and NEMA57 stepper motors.
  • Includes an encoder interface with differential inputs for A, B, and Z signals.
  • Provides a 5V DC power output with 100mA current for motor encoder supply.
  • Designed with low-noise DSP digital technology for smooth and quiet performance.
  • Offers easy connection with clearly labeled pins for power, ground, and motor phases.
Faqs:
  • What stepper motor sizes are compatible with the DM542 and DM556 drivers?
    These drivers are compatible with NEMA17, NEMA23, NEMA42, and NEMA57 stepper motors, making them suitable for a wide range of industrial and automation applications.
  • What is the operating voltage range for these stepper motor drivers?
    The DM542 and DM556 drivers support a DC voltage range from 20V to 80V, with recommended operation at 24Vdc or 36Vdc for optimal performance.
  • Do these drivers support encoder interfaces for closed-loop control?
    Yes, they include an encoder interface with differential inputs for A, B, and Z signals, and provide 5V DC power for the encoder, though these are not used in open-loop stepping mode.
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