This document is the user manual for DM422S V2.0 digital two-phase stepper driver from Leisai Intelligent Control Co., Ltd. It provides an overview of the product, its features, and applications.
The Leisai DM422SV2.0 is a high-performance digital two-phase stepper driver utilizing 32-bit DSP technology. It supports adjustable peak currents from 0.3A to 2.2A and offers selectable microstepping resolutions up to 1/256 (25600 steps/rev) via DIP switches or software configuration.
The document provides detailed instructions on electrical and mechanical specifications, interface descriptions including control signals and RS232 communication, wiring requirements for motors and power supplies, and protection features such as over-current and over-voltage safeguards. It also includes troubleshooting guides for common application issues. This manual is written in Chinese.
| Output Current (Peak) | 0.3 - 2.2 A |
|---|---|
| Control Signal Input Current | 7 - 16 mA |
| Step Pulse Frequency | 0 - 200 KHz |
| Insulation Resistance | 100 MΩ |
| Weight | 230g |
The default dynamic output peak current is set to 0.3A.
Yes, the pulse mode can be selected via DIP switch SW7 (off for single, on for double).