Description
DM542 Leadshine stepper motor driver 20-50VDC 4.2A is suitable for 2-phase (1.8°) or 4-phase (0.9°) stepper motors NO 17, 23 and 24. Delivering high performance and smooth controlled motion, the DM542 offers precise control and advanced features that are ideal for CNC machines, robotics, 3D printing and industrial automation.
Main features
Control modes: Supports Step & Direction and CW/CCW (double pulse), adjustable via DIP switches.
Wide input voltage range: From 20 to 50VDC, 24–48VDC recommended for optimal performance.
Adjustable output current: From 0.5A to 4.2A (peak value), adjustable via DIP switches or software.
Micro steps: 16 settings via DIP switches (up to 25,600 steps/revolution), or up to 51,200 steps/revolution using software.
Advanced motion technology: Includes anti-resonance function, S-curve acceleration, quiescent current reduction and self-test function.
Built-in protection: Surge and overcurrent protection.
LED diagnostics: Power (green) and error (red) indicators.
Automatic adjustment: Automatically adapts to a wide range of engines.
Technical specifications
Input voltage: 20–50VDC
Output current: 0.5-4.2A (peak), 3.0A (RMS max.)
Input pulse frequency: up to 200 kHz
Minimum pulse width: ≥ 2.5 μs
Working temperature: 0–50°C
Relative humidity: 40–90% RH (non-condensing)
Cooling: natural or active
Weight: 250g
Input signal voltage: 5V or 24V (adjustable with DIP switch S3)
Compatibility
Fully compatible with 4-, 6- and 8-wire stepper motors.
Recommended for use with 4-wire motors for simplicity and efficiency.
Ideal for systems where smooth movement with minimal noise and heating is important.
Usage
CNC milling machines, plasma and laser machines
Laser engravers and cutters
3D printers
Packaging machines
Industrial automation systems
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