Model DR857 Accu-Coder®

  • Drop-in replacement for AMS Controls incremental optical encoders

Model DR857 Features

  • Standard 3” round encoder body
  • Resolutions of 0256, 0500, 1000, 2000, and 4000 CPR available
  • 3/8” shaft made of 303 stainless steel
  • 5V Line Driver output
  • End-mount 10-pin MS connector
  • Precision ABEC ball bearings
  • IP66 sealing
  • Replaces AMS Controls incremental optical encoders

download_blueDownload Model DR857 datasheet

Purchase Options

  • Buy through a distributor
  • Get a Quote

Model DR857 Description

Designed as a drop-in replacement for the AMS Incremental Optical Encoders, the Model DR857 meets or exceeds all OEM specifications. The Model DR857 is designed to provide precision feedback control on any AMS Controls machine that includes their optical encoder, from metal roll forming to material tracking equipment. 

Product Drawings

AMS to Accu-Coder® Part Number Cross-Reference

AMS Part # EPC Part # CPR
N256 DR857-0256 0256
N500 DR857-0500 0500
N1000 / S1000 DR857-1000 1000
N2000 / S2000 DR857-2000 2000
N4000 DR857-4000* 4000*

*Price adder


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