Leisai DM556 Digital Two-Phase Stepper Driver User Manual

This manual covers the installation, wiring, parameter settings (current/subdivision), and troubleshooting for the Leisai DM556 digital two-phase stepper…

Brand: Leisai
Document type: User Manual
Language: Chinese
Pages: 9
File format: PDF
File size: 661 KB
Published: 16 October, 2026
Updated: 16 October, 2026
Model: DM556
MD5 checksum: B173AE90B9687D9E893BD0D0D32D9627
PDF: Leisai DM556 Digital Two-Phase Stepper Driver User Manual PDF

About this manual

The Leisai DM556 is a digital two-phase stepper motor driver utilizing 32-bit DSP technology. It features built-in micro-stepping capabilities allowing for arbitrary subdivision settings between 200 and 51200, as well as adjustable output current within the rated range. The device includes an automatic parameter tuning function to optimize performance for various motors. This manual is written in Chinese.

What's inside

Product Introduction
Electrical and Mechanical Specifications
Interface and Wiring Description
Current and Subdivision Settings
Power Supply Selection
Motor Matching
Typical Wiring Cases
Protection Functions

Specifications

Output Current Range	0.1 - 5.6 A
Step Pulse Frequency	0 - 200 KHz
Insulation Resistance	50 MΩ

Frequently asked questions

What is the subdivision range of the DM556 driver?

The user can set arbitrary subdivisions between 200 and 51200.

How does the driver handle static current?

When SW4 is set to 'off', the static current automatically reduces to half of the dynamic current.

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