Overview
The ZeroErr eRob 70 T robot joint actuator is offered in EtherCAT and CANopen versions, with or without a torque sensor, selectable 50, 80, or 100 reduction ratios, and with or without multi-loop memory.
Features
- 100 W motor power and 48 V power supply requirement (±10%).
- 19-bit output encoder resolution.
- Configurable repeatability / absolute accuracy: ±7 / ±15 arcsec or ±10 / ±25 arcsec.
- Fully differential interface with stated anti-interference design and dual anti-loosening connectors; connectors can be connected in series or parallel.
- Friction damping brake and IP65 rating.
- Communication bus options: EtherCAT or CANopen.
Specifications
| Parameter | 14-50 | 14-80 | 14-100 | 14-120 |
|---|---|---|---|---|
| Model / joint series | eRob70HXXT | |||
| Strain wave gear ratio | 14-50 | 14-80 | 14-100 | 14-120 |
| Peak torque for start/stop (Nm) | 23 | 30 | 36 | 36 |
| Permissible max. average load torque (Nm) | 9 | 14 | 14 | 14 |
| Rated torque (Nm) | 7 | 10 | 10 | 10 |
| Permissible max. momentary torque (Nm) | 46 | 61 | 70 | 70 |
| Max. output rotational speed (RPM) | 60 | 37.5 | 30 | 25 |
| Motor power (W) | 100 | |||
| Power supply voltage (V) | 48 V (±10%) | |||
| Power supply note | Please read carefully: “Why can't an ordinary switching power supply be used as the power supply for the module?” and “Joint Module Manual Chapter 3 eRob Input Power Instructions”. | |||
| Output encoder resolution | 19 bit | |||
| Repeatability / absolute accuracy (arcsec) | ±7 / ±15 or ±10 / ±25 (configurable) | |||
| Communication bus | EtherCAT / CANopen | |||
| Outer diameter × length × through hole (mm) | 73 × 99 × 18 | |||
| Weight (kg) | 1.24 | |||
| Interface design | Fully differential interface, strong anti-interference; dual anti-loosening connectors, can be connected in series/parallel. | |||
| Brake | Friction damping brake | |||
| IP rating | IP65 | |||
| Optional interfaces (EtherCAT version) | RS485, Pulse/DIR, I/O, ±10 V Analog, STO | |||
| Optional interfaces (CANopen version) | RS485, Pulse/DIR, I/O, ±20 V Analog, STO | |||
Applications
Presented for humanoid robots, robotic arms, exoskeletons, quadruped robots, AGV vehicles, ARU robots, collaborative robots, medical robots, and automation equipment.
Downloads
- EROB170I I Series EtherCAT eRob70T — 3D Model (ZIP)
- EROB170I I Series EtherCAT — 3D Model (ZIP)
- EROB70 T Series EtherCAT — 3D Model — STEP File (ZIP)
- EROB70 T Series CANopen — 3D Model — STEP File (ZIP)
- EROB70 T Series EtherCAT instalation drawing — Installation Drawing (PDF)
- EROB70 T Series CANopen instalation drawing — Installation Drawing (PDF)
Visual Details
Product Video
Product Views

Features and Design



Interfaces and Connections

Specifications and Performance

Application Examples
