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Harmonic Drive, LLC engineers and manufactures precision servo actuators, gearheads and gear component sets. We work closely with Fortune 500, start-ups and companies of all sizes to understand their application requirements and provide a standard or, in most cases, a custom-engineered solution to enable the success of their design project. Since the beginning, our engineering and production teams have continued to develop enabling technologies and products for the evolving motion control market. For over 50 years, Harmonic Drive has been you’re your partner for precision motion control. Today, high precision Harmonic Drive® strain wave gears continue to be engineered and manufactured by Harmonic Drive LLC in the US, Harmonic Drive SE in Germany and Harmonic Drive Systems, Inc. in Japan. With shared values, designs and quality standards, we locally serve the needs of our global customers. Harmonic Drive is a registered trademark of Harmonic Drive Systems. ISO9001 & AS9100 registered.

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Harmonic Drive LLC Announces New Miniature Actuator with Integrated Servo Drive

POSTED 03/19/2021

Beverly, MA, -- Harmonic Drive LLC, the leader in high precision motion control announces a new RSF-5 miniature actuator with an integrated servo drive. This evolutionary product eliminates the need for an external drive and greatly simplifies cabling while retaining high-positional accuracy and torsional stiffness in a compact housing.

The RSF Mini and Supermini series is a family of compact actuators that deliver high torque with exceptional accuracy and repeatability. As part of the RSF Supermini family, an integrated servo drive version utilizing CANopen® communication is now available. Since it communicates via CANopen, only 4 conductors are needed: CANH, CANL, +24VDC, 0VDC. A single-turn 14bit (16384 cpr) gear output sensing encoder has been integrated.

Our USA-based engineering team incorporated more features and capabilities into this actuator while maintaining a compact size and low mass.

Key Features:

  • Actuator + Integrated Servo Drive utilizing CANopen communication conforming to DS402 and DS301
  • 24VDC Nominal +7 to 30VDC Supply Voltage Range
  • Single Axis BLDC Motor Controller/Driver with CAN & TTL-UART Interface
  • Field Oriented Control
  • Single Cable with only 4 conductors needed: CANH, CANL, +24VDC, 0VDC
  • Zero Backlash
  • Pigtail Connectors with 2 exit options
  • 14bit (16384 cpr) resolution motor encoder
  • Control Modes Including Torque, Velocity, and Position Control, CSP, CSV, CST
  • Harmonic Drive HDL Software for initial tuning, commissioning, and analysis
  • Homing modes include: single-ended, double-ended, double-ended with 16bit autoscale hardstop homing or teachable position

The RSF-5B-IDT Miniature actuator with an integrated servo drive is one of the latest products developed at Harmonic Drive LLC in Massachusetts, USA. The RSF joins the recently released family of FHA-Mini integrated actuators.

About Harmonic Drive LLC

Harmonic Drive, LLC engineers and manufactures precision servo actuators, gearheads and gear component sets. We work closely with academia, Fortune 500 and companies of all sizes to understand their application requirements and provide a standard or, in most cases, a custom-engineered solution to enable the success of their design project. The majority of the products sold by Harmonic Drive LLC are proudly made at our manufacturing facility in Massachusetts. The Harmonic Drive Group Companies are comprised of Harmonic Drive, LLC (United States), Harmonic Drive Systems, Inc. (Japan) and Harmonic Drive SE (Germany). We have shared core values, product designs and quality standards. State of the art manufacturing facilities in the US, Japan and Germany enables us to locally serve the needs of our global customers providing both custom-engineered solutions and standard products.

With over 50 years of experience, our expert engineering and production teams develop enabling technologies and products to meet the needs of an evolving motion control market. We are very proud of our outstanding company history. Our high-precision, zero-backlash Harmonic Drive® gears and Harmonic Planetary® gears have, and continue to play critical roles in robotics, spaceflight applications, semiconductor manufacturing equipment, factory automation equipment, medical diagnostics and surgical robotics. More information can be found by visiting the company’s website at www.harmonicdrive.net

Harmonic Drive is a registered trademark of Harmonic Drive Systems. CANopen is a registered trademark of CAN in Automation