Celera Motion Enhances Aura Absolute Chip Encoder Series

By Joel Davies -

Celera Motion has announced new sizes and capabilities for its Aura Absolute Chip Encoder Series of rotary and linear optical encoders with MicroE technology.

Celera Motion, headquartered in Bedford, Massachusetts, is a provider of motion-control components and subsystems for OEMs serving a variety of medical and advanced industrial markets. Celera Motion is a business unit of Novanta Inc., a technology partner to OEMs in the medical and advanced industrial technology markets, with expertise in photonics, vision and precision motion technologies.

The Aura Series of absolute encoders employ a short wavelength LED for precise absolute position decoding. The new Aura encoder line extension products will meet all the typical sizes needed in a robot arm, from small end effectors at the end of the arm to the upper shoulder joints. The Aura line extension enables an even wider range of customizable scale sizes, along with standard glass offerings ranging from 18 mm to 63.5 mm rotary OD and new-to-market linear scale lengths ranging from 9 mm to 195 mm.

“This new product will be an incredibly precise and highly accurate encoder in a small package to meet customers’ high-performance needs”, said Mike Mainvielle, VP Product Management and Marketing, Celera Motion. “We are excited that Aura-C will offer an easily integrated, low-power absolute encoder option that will help in the advancement of demanding customer applications”.

Celera state that Aura solves the “largest source of angular error, eccentricity, which is caused by off-centre scale mounting and bearing runout” from encoders that are employed to compensate for the error “increasing cost and power consumption”. Aura solves the eccentricity problem with its built-in compensation algorithm thereby eliminating the need for the second encoder.

Aura meets the industry-standard interface requirements BiSS-C, SSI & SPI. It also features built-in eccentricity compensation for minimal angle error and easier installation as well as low-power dissipation for tight temperature budget applications. In addition, it contains absolute position feedback for high performance, high volume designs and high resolution and accuracy for precision control needs.

Aura is a solution that can be used for high-volume OEM applications including surgical robots, cobots, robot joints and grippers, exoskeleton and wearables and semiconductors.

Find more information about Celera Motion and the Aura Absolute Chip Encoder Series on its website.

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