Leadshine DM870 Digital Stepper Driver 0.5-7.0A 20-80VDC for Nema 23, Nema 24, Nema 34 Stepper Motor

Leadshine DM870 Digital Stepper Driver 0.5-7.0A 20-80VDC for Nema 23, Nema 24, Nema 34 Stepper Motor

The DM870 stepper drive is compatible with 2-phase (1.8°) and 4-phase (0.9°) NEMA 23, 24, and 34 hybrid stepper motors. It is used in applications including CNC routers, mills, plasma cutters, laser cutters, assembly lines, and vending machines.

Features:

Step & direction (PUL/DIR) or CW/CCW (double pulse) control

20–80 VDC supply voltage

200 kHz max pulse input frequency

16 micro-step resolutions: 200–25,600 via DIP switches, or 200–51,200 via software (increment by 200)

8 output current settings: 1.4–7.0 A via DIP switches, or 0.5–7.0 A via software (increment by 0.1 A)

Idle current reduction: 50% or 90% selectable via SW4

Self-test function

Auto-tuning for NEMA 23, 24, and 34 stepper motors

Anti-resonance

Soft-start

Optically isolated inputs: 5V or 24V

Fault and brake output

Over-voltage and over-current protection

CE certified, RoHS compliant

Electrical Specifications:

Output Current: 0.5~7.0A (5.0RMS)

Input Voltage: +20~80VDC (Typical 24 - 72VDC)

Logic Signal Current: 7~16mA (Typical 10mA)

Pulse Input Frequency: 0~200kHz

Minimal Pulse Width: 2.5μS

Isolation Resistance: 500MΩ

Operating Environment and other Specifications(Tj = 25℃/77℉):

Cooling: Natural Cooling or Forced cooling

Environment: Avoid dust, oil fog and corrosive gases

Ambient Temperature: 0℃ － 65℃

Humidity: 40%RH－90%RH

Operating Temperature: 0℃ － 50℃

Vibration: 10-55Hz / 0.15mm

Storage Temperature: -20℃ － 65℃

Weight: Approx.250g(8.8oz)