eRob Series Integrated Robotic Joint Module – High Torque

• ✔ Standardized and fully integrated articulated modules for robotics.
• ✔ High torque for demanding and dynamic applications.
• ✔ Hollow shaft for elegant cable and media routing.
• ✔ Top positioning accuracy thanks to dual absolute encoders.
• ✔ Compact and ultra-lightweight design optimizing the robot's weight ratio.
• ✔ Support for advanced communication protocols such as EtherCAT and CANopen.
• ✔ Significant time and cost savings in robot development and assembly.

Discover the revolution in robot development with the eRob Series integrated articulated modules. These cutting-edge components represent a comprehensive solution that significantly simplifies and speeds up the design of robotic systems. Forget the complicated selection and assembly of hundreds of individual mechanical and electronic parts – the eRob Series offers everything in one compact unit.

⭐ What makes the eRob Series special?

• Complete integration: Each module includes a servo drive, frameless torque motor, precision harmonic reducer, dual absolute encoders (on both motor and output sides), brake, and temperature sensor.
• High performance: The modules are designed for high torque and excellent dynamic properties.
• Compact design: Exclusive design with compact structure, such as the eRob70 model with an outer diameter of only 70 mm and a weight of 0.98 kg.
• Wide range of models: Available models eRob70, eRob80, eRob90, eRob110, eRob142 with different specifications for diverse applications.
• Fully closed loop: 19-bit absolute encoder output ensures repeatable positioning accuracy of up to ±10 arc seconds.

🔍 Explore every detail

The eRob Series is the result of years of experience in the development and integration of robotic components. The goal was to create standardized, safe and powerful articulated modules that will speed up the robot development process. With full integration of all key components such as servo drives, absolute encoders and frameless torque motors, compatibility and complex assembly concerns are eliminated.

The hollow shaft is strategically designed for easy cable routing, simplifying the overall robot architecture and minimizing the risk of entanglement. With a lightweight design and optimized weight ratio, the eRob Series modules ensure efficient and agile movement, which is key for applications in aerospace, drones, collaborative robots, and medical devices.

🤔 Are you struggling with complex robot development?

Traditional robotic system development often involves a time-consuming and costly process of selecting, designing, purchasing, and assembling hundreds of mechanical and electronic components. Ensuring high accuracy and reliability from many different parts can be frustrating and increase the risk of errors.

🚀 Simplify your path to innovation with the eRob Series!

The eRob Series modules are the answer to these challenges. With their comprehensive integration, they save customers hundreds of hours of work and minimize complexity. You get a standardized, pre-optimized solution that is ready to be quickly integrated into your robotics project. With the eRob Series, you can spend more time innovating and less time solving technical details.

💡 More than just components – real benefits

• Feature: Integrated design with all key components. -> Benefit: Rapid development and significant cost and time savings on design, purchasing and assembly.
• Features: Dual absolute encoders with 19-bit resolution. -> Benefit: Extremely high positioning accuracy and fully closed loop control for maximum reliability.
• Features: Support for EtherCAT and CANopen communication protocols. -> Benefit: Flexible integration into existing systems and real-time debugging for dynamic applications.
• Feature: Ultra-thin and lightweight design with hollow shaft. -> Benefit: Reduces overall robot weight, improves agility and simplifies cable routing.
• Features: Wide range of models with different sizes and specifications. -> Benefit: Ability to precisely select the module for specific project needs and optimize performance.

🎯 For whom is the eRob Series the ideal choice?

• For developers and manufacturers of collaborative robots (cobots) looking for integrated and reliable solutions.
• For engineers in the aerospace and drone sectors, where low weight and high precision are key.
• For designers of medical robots and precision automation equipment.
• For research and academic institutions that need a flexible platform for rapid prototyping.

❓ Do you have any concerns? We'll answer them!

• Concern: Will integrating eRob modules into my existing system be difficult? -> Answer: The modules are designed for easy integration with support for standard protocols such as EtherCAT and CANopen, making them easy to integrate into various control architectures.
• Concern: Is the positioning accuracy sufficient for my critical applications? -> Answer: With dual absolute encoders and repeatability up to ±10 arc seconds, eRob modules provide a superior level of precision to meet even the most demanding requirements.
• Concern: How is robustness and reliability ensured? -> Answer: The modules are equipped with a friction brake, a temperature sensor and a robust differential interface with double plugs for high immunity to interference and long-term reliability.

🛠️ Technical specifications

Parameter	Value
Harmonic reducer – ratio	17-50, 17-80, 17-100
Start-stop peak torque (Nm)	34/44, 43/56, 54/70
Rated torque (Nm)	16/21, 22/29, 24/31
Instantaneous maximum allowable torque (Nm)	70/91, 87/113, 110/143
Peak output speed (RPM)	60, 37.5, 30
Supply voltage (V)	48 (±10%)
Rated current (A)	6.9
Peak current (A)	16.8
Output encoder resolution	19 bits
Repeatable/absolute positioning accuracy	±10/45 arc seconds
Communication bus	EtherCAT / CANopen
Outer diameter x length x through hole (mm)	80 x 95 x 18
Interface design	Fully differential design, strong anti-interference ability; dual sets of anti-loosening plugs, can be connected in series
Brake	Friction damping brake
Package contents
Connectors	2x 48V power connector (2pin), 2x CANopen connector and wiring, 2x EtherCAT connector and wiring (4pin), 1x I/O connector and wiring (12pin)

❓ Frequently Asked Questions (FAQ)

What are the eRob Series modules primarily intended for?

They are designed for collaborative robots, medical robots, and other automation devices, including aerospace and drone applications where precision and reliability are key.

How does the eRob Series simplify the robot development process?

Thanks to their complete integration, eRob Series modules save hundreds of hours on selecting, designing, purchasing and assembling individual mechanical and electronic components, which speeds up the entire development cycle.

What positioning accuracy can I expect from these modules?

The eRob Series modules are equipped with dual absolute encoders that provide repeatable positioning accuracy of up to ±10 arc seconds and absolute accuracy of up to ±45 arc seconds.

What communication protocols do the modules support?

They support the widely used EtherCAT and CANopen communication protocols, enabling flexible integration and real-time control of position, speed and current loops.

Can cables be routed directly through the module?

Yes, the modules have a hollow shaft with a through hole (e.g. 18 mm for eRob70 and eRob80), which allows for elegant and efficient routing of cables and other media.

What are the key benefits of integrated encoders?

Integrated absolute encoders remember the position even after power is turned off and, together with a fully closed loop, ensure high accuracy and wear resistance.

Do you offer technical support for your products?

Yes, we provide professional technical support for our modules and engineers are available to resolve any questions or problems.

Is there software available to work with modules?

Yes, we provide free software and training on how to use the products effectively with the modules.