Key facts
- Brand
- Leisai
- Model
- DMA860H
- Industry
- Industrial
- Documents
- 3
- Languages
- ZH
- Last added
- 2026-10-17
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Leisai DMA860H Digital Two-Phase Stepper Driver User Manual
The Leisai DMA860H is a digital two-phase stepper motor driver utilizing 32-bit DSP technology. It supports microstepping settings from 400 to 51200 and allows for arbitrary current value settings within the rated current. The device features ultra-low vibration and noise, built-in high microstepping, and automatic parameter tuning to optimize motor performance. This manual is written in Chinese.
Read onlineLeisai DMA860H specifications
| Output Current (Peak) | 2.4 - 7.2 A |
|---|---|
| Control Signal Frequency | 0 - 200 KHz |
| Insulation Resistance | 50 MΩ |
| Weight | 570g |
Source: Leisai DMA860H Digital Two-Phase Stepper Driver User Manual
All Leisai DMA860H documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What is the acceptable range for the AC input power voltage?
The AC input power voltage must be between 18VAC and 80VAC.
From: Leisai DMA860H Digital Two-Phase Stepper Driver User Manual
What is the minimum required pulse width for the control signal?
The pulse width must be greater than 1.2μs.
From: Leisai DMA860H Digital Two-Phase Stepper Driver User Manual
What is the range of microstepping settings?
The driver supports setting microstepping from 400 to 51200 steps per revolution.
From: Leisai DMA860H Digital Two-Phase Stepper Driver User Manual
How does the static current feature work?
When set correctly, the current automatically reduces to half after a pulse train stops for about 0.4 seconds.
From: Leisai DMA860H Digital Two-Phase Stepper Driver User Manual
How do I set the output current on the DMA860H?
Use the eight‑position DIP switches SW1‑SW3 to select the desired peak current; the table lists settings from 2.40 A up to 7.20 A.
From: Leisai DMA860H Digital Two-Phase Stepper Driver User Manual
What protection functions are built into the driver?
The driver includes over‑current/short‑circuit, over‑voltage, under‑voltage and other protection features.
From: Leisai DMA860H Digital Two-Phase Stepper Driver User Manual