DM542 - 2 Phase Stepper Motor Driver

DM542 Microstep Stepper Motor Driver

The DM542 is a high-performance, fully digital stepper motor driver designed for 2-phase and 4-phase hybrid stepper motors. Utilizing advanced DSP control algorithms, it ensures smooth motion, optimal torque, and minimal noise.

Key Features

• Input Voltage: 20–50 VDC
• Output Current: 1.0–4.2 A (8 selectable settings)
• Microstep Resolutions: 15 options ranging from 400 to 25,600 steps/rev
• Pulse Input Frequency: Up to 200 kHz
• Control Modes: PUL/DIR and CW/CCW
• Signal Compatibility: TTL compatible, optically isolated inputs
• Protection Features: Over-voltage, over-current, under-voltage, and phase error protection
• Idle Current Reduction: Automatic reduction to minimize heating
• Suitable Motors: 2-phase and 4-phase stepper motors, including NEMA 17 and NEMA 23
• Operating Temperature: -10°C to 45°C
• Cooling Method: Natural or forced air cooling

Electrical Specifications

• Input Voltage: 20–50 VDC
• Output Current: 1.0–4.2 A (peak), 3.0 A RMS
• Logic Signal Current: 7–16 mA (typically 10 mA)
• Pulse Width: ≥2.5 μs
• Isolation Resistance: 500 MΩ at normal temperature and pressure
  
• Dielectric Strength: 500 V/min under normal temperature and pressure

Physical Specifications

• Dimensions: 118 mm × 75 mm × 33 mm
• Weight: Approximately 255 g

Connector Pin Assignments

Control Signal Inputs

• PUL+ / PUL-: Pulse signal inputs
• DIR+ / DIR-: Direction signal inputs
• ENA+ / ENA-: Enable signal inputs

Motor Outputs

• A+ / A-: Phase A connections
• B+ / B-: Phase B connections

Power Supply

• +V: Power supply positive terminal (18–50 VDC)
• GND: Power supply ground