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Celera Motion Expands Aura Absolute Chip Encoder Series

CeleraAura400x275

April 28, 2022

Celera Motion has announced new sizes and capabilities for its Aura Absolute Chip Encoder series of rotary and linear optical encoders with MicroE technology. The new line of products aims to meet all the typical sizes needed in a robot arm – from small end effectors at the end of an arm to the upper shoulder joints.

“This new product will be an incredibly precise and highly accurate encoder in a small package to meet customers’ high performance need,” said Mike Mainvielle, vice president of product management and marketing at 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.

The company said Aura is an optimal solution for high-volume OEM applications, including surgical robots; cobots, robot joints and grippers; exoskeleton and wearables; and semiconductor robots. The line extension also enables a wider range of customizable scale sizes, along with standard glass offerings that range from 18 mm to 63.5 mm rotary OD, and new-to-the-market linear scales lengths, which range from 9 mm to 195 mm.

“Our focus has been to advance the performance of our optical encoder products over the past couple years,” said Mainvielle. “The Aura for large rotary and linear scales is a fitting line extension to that growing product line.”

Celera Motion said Aura solves the largest source of angular error – eccentricity – which is caused by off-center scale mounting and bearing runout. Two encoders are often employed to compensate for the error increasing cost and power consumption. With its built-in compensation algorithm, Aura can eliminate the need for a second encoder.

Additional benefits of Aura include:

  • Absolute position feedback for high performance, high volume designs
  • High resolution and accuracy for precision control needs
  • Wide alignment tolerances provide ease of integration resulting in higher productivity
  • Built-in eccentricity compensation for minimal angle error and easier installation
  • Low-power dissipation for tight temperature budget applications
  • Comprehensive connectivity meets industry standard interface requirements: BiSS-C, SSI & SPI
  • AqB plus index provides additional incremental data to be used as secondary position information
  • Global application support available to meet customer’s integration challenges.

For more details or to check on customization options, visit the Celera Motion website here.


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