Micromech

HGD – Open-Frame, Stepping Motor Drive

  • Series of ministep bipolar chopper drives, suitable for driving medium power two-phase stepping motors, with four, six or eight terminals.
  • Highly compact (70×70×25 mm), easy to use and cost effective solution. This system is designed to be soldered to a PCB.
  • Target: medium and medium-low power applications requiring increase in performance compared to self-built or integrated circuits combined with an improvement of reliability and durability.
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Introduction

  • Series of ministep bipolar chopper drives, suitable for driving medium power two-phase stepping motors, with four, six or eight terminals.
  • Highly compact (70×70×25 mm), easy to use and cost effective solution. This system is designed to be soldered to a PCB.
  • Target: medium and medium-low power applications requiring increase in performance compared to self-built or integrated circuits combined with an improvement of reliability and durability.

Highlights

  • Microstepping function up to 3.200 step/rev.
  • Separated solder type connectors for logic signals and power connections.
  • Electronic damping facility for further acoustic noise and mechanic vibrations reduction at low and medium speed.
  • Standard input and output signals ease interfacing with the most commonly used control systems and ensure high noise immunity.

Technical Specifications

  • Version: open frame drive in 70 x 70 x 25 mm, equipped with connectors to be soldered on the PCB.
  • Range of operating voltages: 24-75 VDC. Operation with a single external supply voltage.
  • Range of current: 0.75-6 Amps. Setting up to six equidistant values by means of hardware connections.
  • Microstepping: 400, 800, 1.600 and 3.200 steps /revolution. Setting by means of hardware connections.
  • Automatic current reduction at motor standstill.
  • Protections:
    - Protection against under-voltage and over-voltage.
    - Protection against a short-circuit at motor outputs.
    - Overtemperature protection.
  • Possibility to reduce motor current with an external logic signal.
  • High efficiency CHOPPER with MOSFET final stage output.
  • Electronic damping facility for further acoustic noise and mechanic vibrations reduction at low and medium speed.
  • Warranty: 24 months.
Model Name Drive Type Bus Voltage Range (Volt.) Phase Current Range (Amp.)  Dimensions (mm.) Suggested Motors (Flange size) 
HGD 02 STEP/DIR 24 - 75 VDC 0.75 - 2.0 Open frame drive 70 x 70 x 25 mm NEMA 11, NEMA 17, NEMA 23, 60 mm.
HGD 05 STEP/DIR 24 -75 VDC 2.25 - 6.0 Open frame drive 70 x 70 x 25 mm AMP connectors NEMA 11, NEMA 17, NEMA 23, 60 mm.

 

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