The DMA860H / MA860H is a high-performance microstepping stepper motor driver designed to control 2-phase and 4-phase stepper motors with high precision and power. With a wide input voltage range (up to 80VAC or 110VDC) and a maximum output current of 7.2A, it is ideal for CNC machines, automation systems, robotics, and industrial motor control applications. It supports up to 51200 steps/rev microstepping, offering smooth motion and low noise.
Features:
Wide input voltage: 24–80VAC or 24–110VDC
Maximum output current: 7.2A (adjustable in 8 steps)
Microstepping resolution: Up to 51200 steps/rev
Opto-isolated signal inputs for noise immunity
Automatic idle current reduction for power saving
Short-circuit, over-voltage, and over-temperature protection
High-speed response with smooth acceleration
Suitable for NEMA 23, 34, and some NEMA 42 stepper motors
Easy DIP switch configuration for current and microstep settings