DM556 Digital Stepper Motor Driver – 5.6A 20–50VDC, 2_Phase DSP_Controlled Driver, 128 Microstepping

Overview:

The DM556 is a high-performance digital stepper motor driver powered by DSP technology, designed for 2-phase hybrid stepper motors. Supporting frame sizes from 42mm to 86mm and peak current up to 5.6A, it is optimized for quiet, smooth operation with ultra-low vibration. It integrates motor-specific control algorithms and advanced fault protection for reliable performance.

Key Features:

Wide Voltage Range: 20–50VDC input for flexible power setups

Adjustable Output Current: 1.4A to 5.6A with 8-level DIP switch control

Microstepping Options: Up to 128 subdivisions (400 to 25600 pulses/rev)

DSP Control Algorithm: Delivers smooth, quiet, and precise motion control

Signal Compatibility: 5–24VDC for PUL, DIR, and ENA inputs

Built-in Protections: Overvoltage, overcurrent, and thermal fault detection

Cooling: Natural or fan-assisted air cooling supported

Durable Design: Suitable for industrial and commercial equipment

Applications:

Ideal for CNC routers, 3D printers, laser engraving machines, textile automation, electronics manufacturing, measurement and medical instruments—especially in systems requiring low noise, high smoothness, and cost-effectiveness.

Wiring Interface:

PUL+ / PUL-: Pulse signal input (>1.2μs)

DIR+ / DIR-: Direction control signal

ENA+ / ENA-: Enable or disable output

+V / GND: DC power input (20–50V)

A+ / A-, B+ / B-: Stepper motor phase outputs

DIP Switch Settings:

Current (SW1–SW3): 1.4A to 5.6A adjustable

Standby Mode (SW4): Full or half current

Microstepping (SW5–SW8): 15 levels, including 5, 10, 25, 50, 125, and 25600 steps/rev

Environmental & Physical Specs:

Operating Temperature: 0°C – 50°C

Humidity: 40–90% RH

Weight: 0.25kg

Cooling: Natural convection or external fan

Avoid dust, oil, corrosive gas, moisture, and strong vibration