Stepper Drives
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Stepper Drives



RSD110-6 offers industrial microstepping performance at the price of many hobby drives which require you to buy a DC power supply, heatsink and fan. All of this is integrated with each drive, reducing component cost and simplifying installation.


  • AC line-powered (No power supply required)
  • Pure sinusoidal current control; eliminates current ripple; reduces noise, vibration and motor heat
  • Automatic idle current reduction
  • Optically isolated differential inputs for pulse direction and enable inputs
  • Easy installation and set up
  • Wide range of compatibility with Nema 23, 34, and 42 size motors


  • Operates 2-phase 4 wire; 4-phase 6-wire and 8-wire stepper motors
  • 110-120 VAC input voltage
  • 0-256 microstep divisions to choose from
  • Differential step and direction inputs
  • Enable input

Only $149 when purchased with any motor

Warning: This device produces lethal electrical current. By purchasing this drive you agree that Rex Machine Industries is not liable for injury or peoperty damage resulting from use of this drive.

Application Note: Due to the high voltage applied to the motor's windings, many steppers need to be configured in series as they may overheat in parallel. This brings up the question: "Am I getting less upper speed torque by configuring in series?" This is not a parallel vs. series issue, but a voltage vs. inductance issue. In other words, upper speed torque only in series when there is insufficient voltage to overcome the stepper's inductance as with DC powered drives. This is not the case when 110-120VAC is rectified within the drive to 150-160VDC. The result is excellent, smooth performance throughout the speed range.



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