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Allen-Bradley Hardware Product

High-resolution Incremental Optical Encoder

  • Allen‑Bradley Bulletin 847 High-resolution Incremental Optical Encoders feature a robust mechanical design and a metal code disk which provides a rugged bearing system that fits nearly all applications.
Allen‑Bradley Bulletin 847 High-resolution Incremental Optical Encoders feature a robust mechanical design and a metal code disk which provides a rugged bearing system that fits nearly all applications.

Our Bulletin 847 High-resolution Incremental Optical Encoders feature a robust mechanical design and a metal code disk which provides a rugged bearing system that fits nearly all applications. Built to withstand shock, vibration, and a wide range of operating temperatures, these compact encoders are available with flange, hollow shaft, and blind hollow shaft options.

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847 High Resolution
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Overview

  • Includes compact 2- and 2.5-inch housing
  • Provides integer resolution from 1...65,536 counts per resolution
  • Offers choice of output signal phasing and output driver for all form factors and resolutions

Our Bulletin 847 series of encoders has replaced our 844A, 844B, 845H, 845F, 845T, and 845PY incremental encoders.


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Specifications

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Bulletin 847HF Solid Shaft Incremental Optical Encoder with Bell Housing and Coupler Installation Instructions
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Bulletin 847A and 847B Hollow Shaft Incremental Optical Encoder Installation Instructions
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Bulletin 847H Solid Shaft Incremental Optical Encoder Installation Instructions
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Bulletin 847T Solid Shaft Incremental Optical Encoder Installation Instructions

Certifications

UL Listed CertificationUL Listed Certification
  • CE Marked
  • RoHS compliant
  • UL Listed

Certifications apply when product is marked. See our Product Certification site for Declarations of Conformity, certificates and other certification details. 

Looking for Additional Information?

To find additional product information including CAD drawing files, 3D models and more use our Product Catalog.

Product Catalog

Documentation

Resource Publication Number Language
Bulletin 847 Incremental Optical Encoder Product Profile 847-PP001
Bulletin 847HF Solid Shaft Incremental Optical Encoder with Bell Housing and Coupler Installation Instructions 847HF-IN001
Bulletin 847A and 847B Hollow Shaft Incremental Optical Encoder Installation Instructions 847AB-IN001
Bulletin 847H Solid Shaft Incremental Optical Encoder Installation Instructions 847H-IN001
Bulletin 847T Solid Shaft Incremental Optical Encoder Installation Instructions 847T-IN001
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