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EO42 stepper motor driver

Stepper motor driver video
November 25, 2025
Category Connection: EtherCat Stepper Driver
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Brief: This video frames the solution within typical operational contexts for clearer understanding. Watch as we demonstrate the EO42 EtherCAT open-loop stepper motor driver, showing its integration with NEMA17, NEMA23, 42, and 57 motors. You'll see a detailed walkthrough of the DIP switch settings for current control and mode selection, plus a practical wiring guide for power, motor, and EtherCAT communication interfaces.
Related Product Features:
  • EtherCAT bus-type open-loop stepper driver with 32-bit DSP digital processing technology.
  • Advanced AC and frequency conversion control algorithm for low heat and minimal motor vibration.
  • Automatic parameter calibration upon power-on optimizes performance for different motors.
  • Compatible with NEMA17, NEMA23, 42, and 57 stepper motors.
  • DIP switches allow flexible peak current settings from 0.4A to 3.0A.
  • Supports mode selection, direction control, and open/closed loop operation via DIP switches.
  • Wide DC power supply range from 24V to 80V, with recommended 24V or 36V operation.
  • Ideal for engraving, marking, cutting machines, and automated assembly equipment requiring low noise and high speed.
Faqs:
  • What is the difference between the EO42 and EC42 stepper drivers?
    The EO42 is an EtherCAT open-loop driver, while the EC42 is an EtherCAT closed-loop driver. The EO42 uses DIP switch SW6 set to ON for open-loop operation and ships without encoder leads, whereas the EC42 requires additional encoder wiring.
  • How do I set the peak current on the EO42 driver?
    Peak current is set using DIP switches SW1, SW2, and SW3. Various combinations of ON/OFF positions allow selection from 0.4A up to 3.0A, as detailed in the product's switch definition table.
  • What types of applications is the EO42 driver suitable for?
    The EO42 is designed for small to medium automation equipment, including engraving machines, marking machines, cutting machines, laser typesetters, plotters, CNC machine tools, and automatic assembly systems, particularly where low noise and high-speed operation are needed.
  • What are the wiring requirements for the EtherCAT communication interface?
    Use Category 5e 100 Mbps Ethernet cable with dual shielding or higher, keeping the EtherCAT cable length under 100 meters to ensure reliable data transmission.
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