Shenzhen Seninter Precision Machinery Co.,Ltd.
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Cobot Joint Servo Drive
Product Specification
Ring Servo Drivers – Power Core for Robot Joints
|
EtherCAT Comm.
Type, Uncased Driver
View)
|
Uncased Size: OD 66.5mm, |
Real Shots of Cased Servo Drivers |
|
EtherCAT Comm.
Type, Uncased Driver
View)
|
Uncased Size: OD 72mm, |
Real Shots of Cased Servo Drivers |
| CANopen Comm. Type, Uncased Driver View |
ID 21mm, OD 65mm, H 26.7mm |
Real Shots of Cased Servo Drivers |
| Category | Item | Specification | DR1-E4810*** | DR1-E4814*** |
| Electrical Parameters | Voltage Protection Range | VDC | 15 - 60 | 15 - 60 |
| Rated Voltage Range | VDC | 24 - 48 | 24 - 48 | |
| Rated Current | Arms | 10 | 14 | |
| Peak Current | Arms | 30 | 42 | |
| Control Mode | EtherCAT Communication (E) | Real-time communication frequency: ≤ 4kHz | √ | √ |
| Debug Interface | PC application, debugging & diagnosis interface; USB to RS485 converter required | √ | √ | |
| Encoder 1 Type | Incremental Encoder | Differential quadrature, max. 10MHz | √ | √ |
| Absolute Encoder | BISS-C / SSI / EnDat2.2 / Tamagawa / Nikon | √ | √ | |
| Digital Hall | Single-ended signal | √ | √ | |
| Encoder 2 Type | Incremental Encoder | Single-ended quadrature, max. 10MHz | √ | √ |
| Absolute Encoder | BISS-C / EnDat2.2 / Tamagawa / Nikon | √ | √ | |
| I/O | General DI | 2-channel low-speed isolated DI @1kHz 10mA (shared pins with high-speed input)5V~24V, Source (PNP) / Sink (NPN) selectable | √ | √ |
| General DO | 2-channel low-speed isolated DO @1kHz 100mA12~30V, Source (PNP) / Sink (NPN) selectable | √ | √ | |
| High-speed DI | 2-channel high-speed isolated DI @Max 1MHz 6mA (shared pins with low-speed input)0~5V, Source (PNP) / Sink (NPN) selectable | √ | √ | |
| Analog Input | 2-channel analog input @±10V / 12bit (shared with analog control) | √ | √ | |
| Other Functions | Brake Function | Internal bus power supply (1A) | √ | √ |
| Current Sampling Accuracy | 16-bit | √ | √ | |
| Extended Communication | RS485 communication (custom order only) | ※ | ※ | |
| STO Function | 2 input channels, 1 output channel; full safe torque protection (only R-type models support this function) | □ | □ | |
| Temperature Detection | MOSFET temperature detection & alarm / Motor temperature detection & alarm | √ | √ | |
| Environment | Industrial Operating Environment | Operating: 0 ~ +50°C; Storage: -35 ~ +85°C | √ | √ |
DR Series EtherCAT Version - Standard Stock Order Model Table
| Driver Model | Rated Voltage Range | Voltage Protection Range | Encoder 1 Type | Encoder 2 Type | Control Mode | Housing | Rated Current (Arms) | Peak Current (Arms) | Regenerative Discharge Function |
| DR1-E4810N | 24-48VDC | 15-60VDC | Differential Incremental / Absolute | Single-ended Incremental / Absolute | EtherCAT (STO Not Supported) | Uncased | 10 | 30 | N |
| DR1-E4814N | 24-48VDC | 15-60VDC | Differential Incremental / Absolute | Single-ended Incremental / Absolute | EtherCAT (STO Not Supported) | Uncased | 14 | 42 | N |
| DR1-E4810N-1 | 24-48VDC | 15-60VDC | Differential Incremental / Absolute | Single-ended Incremental / Absolute | EtherCAT (STO Not Supported) | Cased | 10 | 30 | N |
| DR1-E4814N-1 | 24-48VDC | 15-60VDC | Differential Incremental / Absolute | Single-ended Incremental / Absolute | EtherCAT (STO Not Supported) | Cased | 14 | 42 | N |
| DR1-E4810R | 24-48VDC | 15-60VDC | Differential Incremental / Absolute | Single-ended Incremental / Absolute | EtherCAT (STO Supported) | Uncased | 10 | 30 | N |
| DR1-E4814R | 24-48VDC | 15-60VDC | Differential Incremental / Absolute | Single-ended Incremental / Absolute | EtherCAT (STO Supported) | Uncased | 14 | 42 | N |
| DR1-E4810R-1 | 24-48VDC | 15-60VDC | Differential Incremental / Absolute | Single-ended Incremental / Absolute | EtherCAT (STO Supported) | Cased | 10 | 30 | N |
| DR1-E4814R-1 | 24-48VDC | 15-60VDC | Differential Incremental / Absolute | Single-ended Incremental / Absolute | EtherCAT (STO Supported) | Cased | 14 | 42 | N |
The Robotic Servo Ring Drive is a high-performance servo drive unit specifically engineered for robotic joints, automation equipment, and precision machining applications. Featuring a ring-shaped hollow integrated design, it perfectly accommodates integrated joint architectures, making it an ideal choice for collaborative robots, humanoid robots, quadruped robots, and more.
The drive supports major industrial bus protocols including EtherCAT, CANopen, and CANFD, integrates dual high-resolution absolute encoders, incorporates a high-performance three-loop vector control algorithm, and provides full-spectrum vibration suppression. It is fully capable of meeting the demanding transmission requirements of robotic joint applications.
| Advantage | Description |
|---|---|
| Ring-Shaped Hollow Design | The hollow structure allows cables to pass through the joint center, simplifying wiring, saving installation space, and enabling highly integrated and compact internal layouts. |
| Dual-Encoder Full Closed-Loop | Integrates two high-resolution absolute encoders, supporting dual-encoder full closed-loop control to significantly enhance system accuracy and operational stability. |
| High-Performance Vector Control | High-bandwidth three-loop vector control with full-spectrum vibration suppression (low, mid, and high frequency) and dynamic servo parameter adjustment, ensuring excellent dynamic response and smooth operation. |
| Multi-Protocol Communication | Supports EtherCAT, CANopen, CANFD, Modbus, and other mainstream industrial bus protocols, compatible with various robot control architectures. |
| Flexible Customization | Full hardware and software customization available to meet diverse joint module specifications. |
| Lightweight & Compact | Ultra-compact, lightweight design; some models weigh as little as 25g with hollow diameters up to 25mm. |
| Parameter | Range / Options |
|---|---|
| Supply Voltage | 18–65 VDC / 24–48 VDC |
| Rated Current | 10A – 80A (model dependent) |
| Peak Current | 20A – 80A (model dependent) |
| Hollow Diameter | 20 – 40mm |
| Communication Protocols | EtherCAT, CANopen, CANFD, Modbus |
| Encoder Support | BiSS-C, SSI, EnDAT, Tamagawa, Nikon, ABZ |
| Safety Functions | STO (Safe Torque Off), SIL3 / PLe |
| Control Modes | Position, Velocity, Torque, and combined modes |
| Application | Description |
|---|---|
| Collaborative Robots | Integrated joint module solutions for high-precision, high-flexibility motion control. |
| Humanoid Robots | Joint actuation and multi-axis coordinated control. |
| Quadruped Robots | Leg joint actuation with high dynamic response. |
| Exoskeleton Robots | Lightweight, high torque-density actuation. |
| Surgical Robots | High-precision, low-latency precision control. |
| AGV / Mobile Robots | Compact drive solutions for space-constrained platforms. |
We offer complete OEM/ODM customization for the Robotic Servo Ring Drive:
Hardware Customization – External dimensions, hollow diameter, interface definitions, and power ratings can be tailored to your requirements.
Software Customization – Control algorithms, communication protocols, and firmware functions can be developed specifically for your application.
Integrated Solutions – We can provide one-stop joint module solutions combining frameless motors, encoders, gearboxes, and our ring drives.
Note: The technical parameters above are for reference only. Specific specifications can be customized according to customer needs.
Application Scenarios
Mainly applied to collaborative robots, humanoid robots, quadruped robot dogs and rehabilitation robots.
Company Details
Business Type:
Manufacturer
Year Established:
2017
Total Annual:
10 million USD-15million USD
Employee Number:
100~300
Ecer Certification：
Verified Supplier
Shenzhen Seninter Precision Machinery Co., Ltd. integrates R&D, production, sales and after-sales services. We specialize in the R&D and manufacturing of AC motors, DC motors, servo motors, brushless motors, gearboxes, geared motors and harmonic reducers, as well as supporting components for... Shenzhen Seninter Precision Machinery Co., Ltd. integrates R&D, production, sales and after-sales services. We specialize in the R&D and manufacturing of AC motors, DC motors, servo motors, brushless motors, gearboxes, geared motors and harmonic reducers, as well as supporting components for...
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