Stepper Servo · 18 Years of Expertise
Product
DS2-Mini-15C-400 Miniature Low-Voltage DC Servo Drive
Product Overview
DS2-Mini-400 low-voltage servo driver, equipped with a next-generation 32-bit DSP and developed based on our company's years experience in servo motion control, includes pulse, RS485 bus, CANopen bus, and EtherCAT bus control; this model introduces the CANopen type driver. Paired 200–600W motors, it supports 17/23-bit single-turn/multi-turn encoders, supports CIA301 CIA402 protocols, and allows for an external braking resistor; it features strong overload capacity, low noise, fast response, and the bare board is easy to embed, space.
Features
Product illustration

Main circuit terminal block
Pin | Signal | Explanation |
1 | Ground | Drive power supply terminal |
2 | VDC | |
3 | RB | Regenerative resistor terminal; the other end of the resistor is connected to VDC. |
4 | U | Motor power cable |
5 | V | |
6 | W | |
7 | PE | Ground wire |
Encoder interface terminal
Illustration | Pin | Signal | Explanation |
![]() | 1 | +5V | Power supply |
| 2 | Ground | ||
| 3 | PE | Shielded wire | |
| 5 | SD+ | Encoder differential signal | |
6 | SD- |
DI/DO interface terminals
Illustration | Pin | Signal | Explanation |
![]() | 1 | DI2+ | Differential Input DI Port |
2 | DI1- | ||
3 | DI2- | ||
4 | DI1- | ||
5 | DI4 | 4-channel single-ended inputs, 12–24 V, single-ended wiring, support Using common-cathode and common-anode wiring methods | |
6 | DI3 | ||
7 | DI6 | ||
8 | DI5 | ||
| 9 | DICOM | Enter the common terminal , Class continues 24V or 0V | |
| 10 | DOCOM | Output common terminal , Can only accept 0V | |
| 11 | NC | ||
| 12 | DO2 | Single-ended output, maximum 100 mA | |
| 13 | NC | ||
| 14 | DO1 | Single-ended output, maximum 100 mA | |
| 15 | CANH/NC | DS2-Mini-400 is CANH; the other models have no pin. | |
| 16 | CANL/NC | DS2-Mini-400 is CANL; the other models have no pins. |
USB port
Illustration | Explanation |
![]() | Parameters can be configured using the DS2 debugging software via a USB Type‑C cable connected to a computer. |
RS485 communication port
Illustration | Pin | Signal | Explanation |
![]() | 1 | SOUP | CAN communication positive terminal |
2 | CANL | CAN communication negative terminal | |
3 | Ground | CAN communication ground | |
4 | NC | NC | |
5 | Ground | CAN communication ground | |
6 | Ground | CAN communication ground | |
7 | NC | NC | |
8 | NC | NC |
DIP switch
Illustration | Pin | Signal | Explanation |
![]() | 1 | SW1 | Communication Station Number Setting |
2 | SW2 | ||
3 | SW3 | ||
4 | SW4 | Termination resistor, The last drive in the wiring ON |
DIP Switch Station Number Table
Station number | SW1 | SW2 | SW3 |
Customize | OFF | OFF | OFF |
1 | ON | OFF | OFF |
2 | OFF | ON | OFF |
3 | ON | ON | OFF |
4 | OFF | OFF | ON |
5 | ON | OFF | ON |
6 | OFF | ON | ON |
7 | ON | ON | ON |
Main Circuit Wiring / DI/DO Interface Terminals

Motor power (W) | Recommended switching power supply voltage | Switching power supply function |
200 | 24V/48V | ≥250W |
400 | 48V | ≥500W |
600 | 48V | ≥750W |
DI/DO interface terminals Note:
Main application areas
Suitable for a wide range of motion-control applications in automation equipment and instruments, such as electronic manufacturing and inspection, semiconductor packaging, laser cutting and welding, laser typesetting, packaging machinery, engraving machines, marking machines, cutting machines, garment plotters, CNC machine tools, and automated assembly systems.
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Xinlichuan
Stay in Touch With Us
Shenzhen Lichuan Electric Co., Ltd.
Technical Support
Engineer Xie:+86-159-0755-7836
Engineer Rao:+86-180-2520-1553
Engineer Zuo:+86-135-3098-8140
Engineer Tan:+86-189-3415-0071
Engineer Tang:+86-180-2901-2526
WeChat Public Account
Douyin ID
Official Website Mobile Version
English website: https://www.lichuanservomotor.com
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