Optical encoder modules target motion control

Posted By : Mick Elliott
Optical encoder modules target motion control

The AEDT-981x Encoders from Avago Technologies are now in stock at distributor Mouser Electronics. The industrial-grade, high-temperature-rated (-40 to 115°C), three-channel optical incremental encoder modules build on the Avago HEDS-9140 series. The encoders offer a built-in interpolator circuit and enable high resolution in a compact module for motion control applications.

The encoder enable a wide resolution range from 2,000 to 5,000 counts per revolution (CPR) using a codewheel of 11mm optical radius. With the opto-ASIC’s built-in automatic LED brightness regulation technique, the encoder current consumption can be significantly lowered (20mA, typical) while maintaining optimal encoder performance across spatial corners. This LED brightness control feature also enables optimal LED current control to prolong LED life.     

The opto-mechanical design of the AEDT-981x encoders offers spatial tolerance 0.4mm and a codewheel gap range of ± 0.15mm, allowing easy motor shaft alignment and enhancing signal integrity. AEDT-981x encoders are designed for wide market employment withstanding wide application requirement and environment demand.     

The Avago AEDT-981x encoders are housed in a 26.67x20.8x10.16mm package, and are suitable for a wide range of commercial and industrial motion control applications, including motor control, robotics, and factory automation.


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