• ZeroErr eRob 90 I motor shown at an angled front view with circular mounting face, central bore, and black flange.
  • ZeroErr eRob 90 I motor shown from the rear with a circular top plate, central opening, and visible connector components.
  • Top-down close view of the ZeroErr eRob 90 I motor connector plate with central opening, plugs, sockets, and mounting points.
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ZeroErr eRob 90 I Robot Joint Motor, EtherCAT/CANopen, 50–120 Reduction Ratio

ZeroErr eRob 90 I Robot Joint Motor, EtherCAT/CANopen, 50–120 Reduction Ratio

ZeroErr

$2,025.00 USD
$2,025.00 USD
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Taxes included. Shipping calculated at checkout.
Version
Reduction Ratio
Multi-turn and Torque
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Overview

The ZeroErr eRob 90 I robot joint motor is offered in CANopen and EtherCAT versions, with or without a brake, for robot-joint configurations and rapid robot assembly.

Features and Configuration

  • Communication versions: CANopen or EtherCAT.
  • Brake configurations: with brake or without brake. The listed brake model is a friction brake.
  • Reduction-ratio selections: 50, 80, 100, and 120.
  • Multi-turn and torque selections: Without Multi-turn and Without Torque; Without Multi-turn and With Torque; With Multi-turn and Without Torque; With Multi-turn and With Torque.
  • Specified power input voltage: 48 V (±10%).
  • Specified hollow bore diameter: 18 mm.
  • Specified installation methods: Same, Compatible.

Specifications

Strain Wave Gear Ratio

Strain wave gear-ratio 20-50 20-80 20-100 20-120
Peak torque for start and stop (Nm) 73 96 107 113
Permissible max. value at average load torque (Nm) 44 61 64 64
Rated torque (Nm) 33 44 52 52
Permissible maximum momentary torque (Nm) 127 165 191 191
Max. output rotational speed (RPM) 60 37.5 30 25
Power input voltage (V) 48 V (±10%)
Hollow bore diameter 18 mm
Precision Repeatability/Absolute Accuracy: ±7/±15 arc sec or ±10/±25 arc sec*
Electrical interface Communication Protocol: EtherCAT/CANopen/Modbus; Output-side Encoder Resolution: 19/20 Bit
Installation methods Same, Compatible

V3/V6 Comparison

Version V3 V6
Motor power (W) 300 314
SWG output-side inertia (g-mm2) 297466 273391
SWG output-side mass (kg) 0.36 0.321
SWG input-side inertia (g·mm²), without brake 139067 95791
SWG input-side mass (kg), without brake 0.41 0.257
OD × length (mm), without brake Φ90 × 98.9 Φ90 × 75.9
Total mass (kg), without brake 1.75 1.506
SWG input-side inertia (g·mm²), with brake 147025 110213
SWG input-side mass (kg), with brake 0.43 0.292
OD × length (mm), with brake Φ90 × 98.9 Φ90 × 75.9
Total mass (kg), with brake 1.87 1.639
Diameter-to-length ratio D/L = 0.91 (less than 1) —
Common parameters ID: 18 mm; IP grating: IP54*; Brake model: friction brake
Optional device Communication type: EtherCAT/CANopen/Modbus; Output encoder resolution: 19 Bit; Repeatability/Accuracy: ±7/±15 arc seconds or ±10/±25 arc seconds.

Applications

  • Humanoid robots
  • Robotic arms
  • Exoskeletons
  • Quadruped robots
  • AGV vehicles
  • ARU robots
  • Collaborative robots
  • Medical robots
  • Automation equipment

Downloads

Downloads & Resources

Visual Details

Product Video

Product Views

ZeroErr eRob90 Type I robot joint product view
The product is identified as an eRob90 Type I Robot Joint. The eRob90 Type I Robot Joint is presented for rapid robot assembly.

Dimensions and Construction

eRob90 Type I dimensions, torque and weight panel
The diameter-to-length ratio is less than 1; D/L = 0.91. The diameter is 90 mm.

Features and Design

Exploded eRob90 Type I robot joint assembly
Exploded eRob90 Type I assembly with labeled core components
ZeroErr robot joint encoder feature panel
Dual absolute encoder feature and accuracy claims
ZeroErr robot joint friction brake feature panel

Interfaces and Connections

Robot joint communication and interface panel
The illustrated controller feature panel lists EtherCAT communication. The illustrated controller feature panel lists CANopen communication.

Application Examples

ZeroErr eRob I series application fields graphic
The product is presented for collaborative robot applications. The product is presented for medical robot applications.

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