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You are here: Home / Encoders / Multiturn absolute encoders with line driver feature integrated referencing

Multiturn absolute encoders with line driver feature integrated referencing

February 11, 2021 By Miles Budimir Leave a Comment

In combination with brushless dc servomotors, the new magnetic AEMT-12/16 L absolute encoder from FAULHABER delivers absolute angle information with a preset multi-turn resolution of 16 bits (65,536 revolutions) and a single-turn resolution of 12 bits (4,096 steps) for commutation, speed control and motion control.

This position data can be queried by an SSI Interface with BiSS-C Protocol. With a line driver, the interface is designed differentially and is based on the RS422 standard. It’s thereby possible to position the motor/encoder unit up to 5 m away from the controller.

encoders

The BiSS-C protocol is designed for industrial applications where high transmission speed, flexibility and minimal implementation effort are required. Digital Hall sensors for commutation of the motors are no longer generally needed. With AEMT, sine commutation is possible as is efficient operation of the motor with minimal torque ripple.

The encoder can be connected to a main power supply as well as a backup battery or alternative energy storage. If the main power supply is switched off, the backup battery will still provide the encoder with enough energy to detect motor revolutions and increment or decrement the multi-turn count accordingly. This way, when switching on the main supply again, the count is still valid, and a new reference run isn’t necessary.

The multi-turn count can be reset via an additional interface pin during start-up. The encoder can be combined with brushless dc motors of the B, BX4 and BP4 series.

The encoder is connected with a ribbon cable and suitable connectors are available. Different filter modules and adapters for connecting to FAULHABER Speed and Motion Controllers are also available.

For more information visit www.faulhaber.com.

 

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Filed Under: Absolute Encoders, Encoders Tagged With: Faulhaber

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