Details
Adopts advanced direct drive technology, remove the reducer in the traditional drive
solution.
Say goodbye to the shortcomings of expensive, noisy, inefficient and bulky
![](/img/devkit/accessories/DDSM115/DDSM115-details-1.jpg)
![](/img/devkit/accessories/DDSM115/DDSM115-details-3.jpg)
Based on the integrated development concept, DDSM115 is a high-reliability Permanent Magnet Synchronous Motor (PMSM) integrating outer rotor brushless motor,
encoder and servo.
![](/img/devkit/accessories/DDSM115/DDSM115-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
- Support RS485 communication mode
- Motor feedback information such as position, speed, current, error code, etc. can be obtained through communication.
- With Hall position detection, over-current protection, etc.
- Support electric brake
- No drive mechanical friction, drive efficiency close to 100%
No-load speed | 200±10rpm | Operating temperature | -20~45℃ |
No-load current | ≦0.25A | Total weight | 765±15g |
Rated speed | 115rpm | Encoder resolution | 4096 |
Rated torque | 0.96Nm | Rated current | 1.25±0.05A |
Degree of protection | IP54 | Noise level | ≦50dB |
Locked-rotor torque | 2.0Nm | Mechanical time constant | 30ms |
Locked-rotor current | ≦2.7A | Rotor inertia | 1.67kg-m² |
Rated voltage | 18V DC (5S LiPo) | Phase resistive elements | 2.15Ω |
Torque constant | 0.75Nm/A | Phase inductance | 3.6mH |
Speed constant | 11.1rpm/V | Number of pole pairs | 10 |
Current loop mode, position loop mode, velocity loop mode
![](/img/devkit/accessories/DDSM115/DDSM115-details-7.jpg)
Only 1-Ch RS485 bus is required to control multiple direct drive servo
motors at the same time
![](/img/devkit/accessories/DDSM115/DDSM115-details-13.jpg)
You can get the motor feedback information such as temperature, position, velocity,
current, etc. by communication
![](/img/devkit/accessories/DDSM115/DDSM115-details-9-1.jpg)
Temperature Feedback
![](/img/devkit/accessories/DDSM115/DDSM115-details-9-2.jpg)
Position Feedback
![](/img/devkit/accessories/DDSM115/DDSM115-details-11-1.jpg)
Speed Feedback
![](/img/devkit/accessories/DDSM115/DDSM115-details-11-2.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
![](/img/devkit/accessories/DDSM115/DDSM115-details-15.jpg)
Compact, Yet Powerful
The DDSM115 speed is as low as 1 RPM and its torque up to 2.0Nm
![](/img/devkit/accessories/DDSM115/DDSM115-details-17.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
![](/img/devkit/accessories/DDSM115/DDSM115-details-19.jpg)
Home robots, industrial/commercial robots, fitness equipment, etc.
![](/img/devkit/accessories/DDSM115/DDSM115-details-21-1.jpg)
Home Robots
![](/img/devkit/accessories/DDSM115/DDSM115-details-21-2.jpg)
Industrial Robots
![](/img/devkit/accessories/DDSM115/DDSM115-details-22-1.jpg)
Fitness Equipment
![](/img/devkit/accessories/DDSM115/DDSM115-details-22-2.jpg)
Food Delivery Robots
![](/img/devkit/accessories/DDSM115/DDSM115-details-23-1.jpg)
![](/img/devkit/accessories/DDSM115/DDSM115-details-23-2.jpg)
![](/img/devkit/accessories/DDSM115/DDSM115-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: 0.759 kg
Quick Overview
DDSM115 x1
![](/img/devkit/accessories/DDSM115/DDSM115-details-pack.jpg)