M415D 2 phase stepper motor driver

Quick Detail: M415D Features 1. Adoption of bipolar constant-current chopper technology 2. Low-noise, low-vibration and low temperature rising 3. Voltage 18-40VDC 4. With 7 stalls output current setting, current range 0.21-1.5A 5. With 7 stalls microstep subdivision setting 6. Automatic Half current, motor wires misconnected protection 7. Internal optical isolation, highest frequency response 200KHZ 8. Suitable for nema 17, nema 23 stepper motor current under 1.5A Current