Leisai DM556S Digital Two-Phase Stepper Driver User Manual

User manual for the Leisai DM556S digital two‑phase stepper driver, covering specifications, wiring, settings and troubleshooting.

Leisai DM556S Digital Two-Phase Stepper Driver User Manual - cover page
Brand
Leisai
Document type
User Manual
Language
Chinese
Pages
9
File format
PDF
File size
721 KB
Published
03 October, 2026
Updated
03 October, 2026
MD5 checksum
57A08D6B8AF1CA92822D0A1B8588E7A2
PDF
Leisai DM556S Digital Two-Phase Stepper Driver User Manual PDF

About this manual

The DM556S is a digital two‑phase stepper driver from Leisai. This manual provides an overview of the product, its electrical, mechanical and environmental specifications, and detailed wiring diagrams. It also explains how to configure current, microstepping, power supply, motor selection, protection functions, and includes common troubleshooting tips and warranty information. This manual is written in Chinese.

What's inside

  • Product Overview
  • Electrical, Mechanical and Environmental Specifications
  • Driver Interface and Wiring
  • Current and Microstepping Settings
  • Power Supply Selection
  • Motor Selection
  • Typical Wiring Examples
  • Protection Functions
  • Common Issues and Troubleshooting
  • Warranty Terms

Specifications

Output peak current1.8 - 5.6 A
Input voltage range20 - 50 VDC
Control signal input current7 - 16 mA
Step pulse frequency0 - 200 kHz
Insulation resistance100 MΩ
Weight230 g
Storage temperature-20 – 65 °C
Humidity range40 – 90 % RH

Frequently asked questions

What is the recommended power supply voltage range for the DM556S?

The driver operates with an input voltage between 20 VDC and 50 VDC.

What protection functions are built into the driver?

The driver includes over‑voltage, over‑current/short‑circuit protection and an alarm output.

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