Details
Adopts advanced direct drive technology, removes the reducer in the traditional drive solution. Say goodbye to the shortcomings of expensive, noisy, inefficient and bulky
![DDSM400 servo motor, overall appearance](/img/devkit/accessories/DDSM400/DDSM400-details-1.jpg)
![DDSM400 servo motor features](/img/devkit/accessories/DDSM400/DDSM400-details-3.jpg)
Based on the integrated development concept, DDSM400 is a high-reliability Permanent Magnet Synchronous Motor (PMSM) integrating outer rotor brushless motor, encoder and servo
![DDSM400 servo motor usage demo, installing on the robot chassis](/img/devkit/accessories/DDSM400/DDSM400-details-5.jpg)
- Ultra low noise
- High precision and zero-backlash
- Fast response, direct drive without delay
- Integrated motor and driver, compact structure and high integration
- Supports LIN bus communication
- Supports obtaining motor feedback information through communication such as position, speed, current, error code, etc.
- With Hall position detection, over-current protection, etc.
- Supports electric brake
- No drive mechanical friction, drive efficiency close to 99.99%
No-load speed | 400±20RPM | Operating temperature | -5℃ ~ 40℃ |
No-load current | 0.25A | Total weight | 236g |
Rated speed | 100RPM | Encoder resolution | 12bit |
Rated torque | 0.15Nm | Rated current | 0.24±0.07A |
Locked-rotor torque | 0.3Nm | Noise level | ≦40dB(A) |
Torque constant | 0.3Nm/A | Input voltage | 25.2V DC |
Locked-rotor current | 1.0±0.2A | Speed constant | 15.9RPM/V |
Current loop mode, position loop mode, velocity loop mode
![DDSM400 servo motor operating mode features](/img/devkit/accessories/DDSM400/DDSM400-details-7.jpg)
Only 1-Ch LIN bus is required to control multiple direct drive servo motors at the same time
![DDSM400 servo motor with LIN support, installing on the robot chassis](/img/devkit/accessories/DDSM400/DDSM400-details-9.jpg)
* the robot chassis shown in the picture is not included, but we provide its open-source drawing, please refer to the Package Content for detailed part list
You can get the motor feedback information such as temperature, position, velocity, current, etc. by communication
![DDSM400 servo motor, supports temperature feedback](/img/devkit/accessories/DDSM400/DDSM400-details-11-1.jpg)
Temperature Feedback
![DDSM400 servo motor, supports position feedback](/img/devkit/accessories/DDSM400/DDSM400-details-11-2.jpg)
Position Feedback
![DDSM400 servo motor, supports speed feedback](/img/devkit/accessories/DDSM400/DDSM400-details-11-3.jpg)
Speed Feedback
![DDSM400 servo motor, supports current feedback](/img/devkit/accessories/DDSM400/DDSM400-details-11-4.jpg)
Current Feedback
The integrated direct drive motor design allows the motor to provide smooth torque, steady speed and accurate position without an external reducer, also with the advantages of compact structure and high integration
![DDSM400 servo motor design features](/img/devkit/accessories/DDSM400/DDSM400-details-13.jpg)
The no-load speed of DDSM400 is up to 400±20 RPM, and is capable of operating at a rated speed of 100 RPM combined with a rated torque of 0.15Nm, suitable for robotic projects that require high speed running with low torque demands.
![DDSM400 servo motor, wide speed range support](/img/devkit/accessories/DDSM400/DDSM400-details-15.jpg)
IP54 protection rating, the ingress protection design against dust and water jets can make the motor better protected, provides a longer lifetime and better performance
![DDSM400 servo motor, waterproof & dustproof support](/img/devkit/accessories/DDSM400/DDSM400-details-17.jpg)
Supports Installing with our UGV suspension designed for hub motors via aluminum profile or by cutting holes on the side of the chassis, reducing the difficulty of chassis design
![DDSM400 servo motor installing with suspension demo](/img/devkit/accessories/DDSM400/DDSM400-details-18.jpg)
* for reference only, the UGV Suspension (B) and robot chassis are not included, please purchase separately. The open-source drawing of robot chassis is provided in the wiki.
![DDSM400 servo motor pin definition](/img/devkit/accessories/DDSM400/DDSM400-details-19.jpg)
Home robots, industrial/commercial robots, robot chassis, etc.
![DDSM400 servo motor Home Robots application scenario](/img/devkit/accessories/DDSM400/DDSM400-details-21-1.jpg)
Home Robots
![DDSM400 servo motor Industrial Robots application scenario](/img/devkit/accessories/DDSM400/DDSM400-details-21-2.jpg)
Industrial Robots
![DDSM400 servo motor UGV Robot Chassisapplication scenario](/img/devkit/accessories/DDSM400/DDSM400-details-21-3.jpg)
UGV Robot Chassis
![DDSM400 servo motor Food Delivery Robots application scenario](/img/devkit/accessories/DDSM400/DDSM400-details-21-4.jpg)
Food Delivery Robots
![DDSM400 servo motor dimensions](/img/devkit/accessories/DDSM400/DDSM400-details-size.jpg)
![](/img/devkit/LCD/common/res_banner.png)
* Resources for different product may vary, please check the wiki page to confirm the actually provided resources.
Weight: 0.232 kg
Quick Overview
DDSM400 x1
![DDSM400 servo motor package contains](/img/devkit/accessories/DDSM400/DDSM400-details-pack.jpg)