MyActuator RH-14 Hollow Harmonic Motor 48V, 11Nm Rated Torque, 28Nm Peak, CAN BUS & EtherCAT, Dual 17-Bit Encoder for Robotic Arm

Description

Overview

The MyActuator RH-14 Hollow Harmonic Motor integrates a compact harmonic drive reducer with a high-precision servo motor, delivering 11Nm rated torque, 28Nm peak torque, and 25RPM rated speed under 48V input. Featuring a 100:1 gear ratio, dual 17-bit encoders, and support for CAN BUS and EtherCAT communication, it ensures exceptional control accuracy for advanced robotics and automation applications.

Key Features

• High Torque & Stability 11Nm continuous torque and up to 28Nm peak torque ensure stable power for demanding applications.

• High Precision Dual 17-bit ABS encoders deliver repeat position accuracy of <0.01.

• Low Noise & Smooth Operation Optimized design provides low vibration and noise for sensitive environments.

• Integrated Hollow Shaft Enables easy cable routing and multi-functional mechanical integration.

• Robust Build Supports radial load up to 8.6KN and axial load up to 58.7KN.

• Flexible Communication Compatible with both CAN BUS and EtherCAT protocols for seamless integration.

• Compact Design Dimensions 120mm x 120mm x 80mm, weight only 0.78kg, making it ideal for compact systems.

Technical Specifications

Parameter	Unit	RH-14
Gear Ratio		100
Input Voltage	V	48
No Load Speed	RPM	30
No Load Current	A	0.4
Rated Speed	RPM	25
Rated Torque	Nm	11
Rated Power	W	28
Rated Current	A (rms)	2.8
Peak Torque	Nm	28
Peak Current	A (rms)	5.7
Motor Back-EMF Constant	Vdc/Krpm	19.2
Module Torque Constant	Nm/A	4
Motor Phase Resistance		0.62
Motor Phase Inductance	mH	0.43
Pole Pair		10
3-Phase Connection		Y
Backlash	Arcsec	<40
Radial Load (Static/Dynamic)	KN	8.6 / 5.8
Axial Load (Static/Dynamic)	KN	58.7 / 16.2
Inertia (N/B)	kgm	0.29 /
Encoder Type		Dual ABS-17BIT (Input & Output)
Repeat Position Accuracy	Degree	<0.01
Communication		CAN BUS & EtherCAT
Weight	Kg	0.78
Insulation Grade		F

Interface & Connectivity

• EtherCAT Ports: IN/OUT for high-speed communication.

• CAN_H / CAN_L: Network data communication terminals.

• Power Supply: VCC (Positive) & GND (Negative) terminals.

• Battery Ports: Memory battery connectors (BAT+ / BAT-).

• Signal Ports: T+, T-, R+, R- for master-station data exchange.

Package List

• Power Supply Cable 2

• CAN BUS Communication Cable 2 / Multi-turn Battery Cable 1

• 120 Terminal Resistance 1

• EtherCAT Communication Cable 2

• CAN BUS Communication Module 1 (includes free USB-CAN adapter)

Applications

• Robotic Arms High precision and hollow shaft for internal cable routing in industrial robots.

• Laser Cutters Smooth and stable motion for automated manufacturing lines.

• Medical Instruments Low noise and high accuracy for sensitive environments.

Advantages

• Integrated design simplifies installation and reduces development time.

• High load capacity and excellent repeatability for demanding industrial tasks.

• Supports multiple communication interfaces for versatile system integration.

Details

The MyActuator RH-14 motor has a dual encoder, CAN BUS and EtherCAT communication, a 100 gear ratio, 11 N.m torque, 28 W power, and provides speed and stall torque data for different loads.

Interface details: EtherCAT, CAN bus, power, and battery connections. Packaging: power/communication cables, terminal resistance, CAN module. Dimensions: 12012080mm. USB-CAN adapter included.

RH-14 accessories include power supply, CAN BUS, EtherCAT cables, 120 resistance, and CAN module. Connectors and wire functions are labeled. USB-CAN adapter included free with order; extra units available upon request.

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