AC universal 5 phase micro step driver - MD5-HF28


Autonics proudly introduces MD5-HF28 - AC universal type 5 phase micro step driver – realizing high accuracy (max. 250 divisions), high speed and high torque control.

MD5-HF28 maximizes user’s convenience with diverse resolution setting types (max. 250 divisions) and front ALARM LED and 100-220VAC universal power supply.

Major Features

  • Increasing user’s convenience with 100-220VAC universal power
  • High speed and high torque through run current control
  • Realization of low speed rotation and high accuracy control with micro step (max. 250 divisions)
  • Diverse alarm function (over temperature, over current) available with self diagnosis
  • Easy to check alarm information with front ALARM LED
  • Auto current down, self test, user's run/stop current setting, zero point excitation output provided
  • Photo coupler input insulation to minimize external noise


  • Power supply : 100-220VAC 50/60Hz
  • Allowable voltage change : 10% of power supply
  • Supply current : 5A (Max.)
  • Running current : 1.0 ~ 2.8A/Phase
  • Running type : Bipolar constant current pentagon drive type
  • Resolution : 1,2,4,5,8,10,16,20,25,40,50,80,100,125,200,250 divisions
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