1. Introductions

The DM542 is a digital stepper drive with simple design and easy setup. By implementing Leadshine advanced

stepper control technology, this stepper drive is able to power 2-phase and 4 phase stepper motors smoothly with

optimal torque and low motor heating & noise. Its operating voltage is 20-50VDC and it can output up to 4.2A current.

All the micro step and output current are done via DIP switches. Therefore, the DM542 are ideal choices for

applications requiring simple step & direction control of NEMA 17, 23, and 24 stepper motors.

1.1 Features

Anti-Resonance for optimal torque, extra smooth motion, low motor heating and noise
Motor auto-identification and parameter auto-configuration for optimal torque from wide-range motors
Step & direction (PUL/DIR) control
Multi-Stepping for smooth motor movement
TTL compatible and optically isolated inputs
Input voltage 20-50VDC
16 selectable micro-step resolutions of 400-25,600 via DIP switches
8 selectable output current settings of 1.0 – 4.2A via DIP switches
Soft-start with no “jump” when powered on
Pulse input frequency up to 200 KHz.
Automatic idle-current reduction
Protections for over-voltage and over-current

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Stepper Drive 24V

DM542 Stepper Motor Controller