Stepper Motor Driver - Model Options

A stepper motor only performs as well as the driver behind it. These DM-series microstep drivers are component boards for motion projects, with models covering different phase currents and supply voltages.

✅ Match the driver to the motor - DM542, DM556, DM860 and DM860H options are listed for different phase-current and supply requirements.

✅ Set microstepping for smooth motion - The drivers are microstep types, intended for controlled positioning rather than on/off running.

✅ Build around a known model - Choosing a listed model keeps the wiring and current setting defined by that driver's specification.

A driver chosen for the motor, not by guesswork

Check the motor's rated phase current and the supply voltage before choosing a model; a driver set above the motor's rating will overheat it, and one below it will stall under load. Set the current with the driver powered down and the DIP switches as documented.

These are component boards with exposed terminals. Mount them where the heatsink has airflow, wire the motor with the power off, and keep signal wiring away from the motor cables.

Technical details

• Stepper drivers: DM542, DM556, DM860, DM860H
• Microstep control
• Component board with heatsink
• Set current to the motor rating

Check the motor current first, then pick the driver that matches it.