High-resolution Incremental Optical Encoder

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.

Bulletin 847 High-resolution Incremental Optical Encoder
  • Overview
  • Product Selection
  • Specifications
  • Documentation
  • Resources
  • Applications

Features

  • 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

Additional Information

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

Incremental Optical Encoders

To view commonly ordered and quickly available products, use the Product Configuration Assistant for our complete product offerings.

Specifications

TitleNumberDownload
Bulletin 847HF Solid Shaft Incremental Optical Encoder with Bell Housing and Coupler Installation Instructions847HF-IN001
Bulletin 847A and 847B Hollow Shaft Incremental Optical Encoder Installation Instructions847AB-IN001
Bulletin 847H Solid Shaft Incremental Optical Encoder Installation Instructions847H-IN001
Bulletin 847T Solid Shaft Incremental Optical Encoder Installation Instructions847T-IN001

Certifications

  • 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.

Product Certifications

See our Product Certification site for Declarations of Conformity, certificates and other certification details.

Documentation

TitleNumberDownload
Bulletin 847 Incremental Optical Encoder Product Profile847-PP001
Bulletin 847HF Solid Shaft Incremental Optical Encoder with Bell Housing and Coupler Installation Instructions847HF-IN001
Bulletin 847A and 847B Hollow Shaft Incremental Optical Encoder Installation Instructions847AB-IN001
Bulletin 847H Solid Shaft Incremental Optical Encoder Installation Instructions847H-IN001
Bulletin 847T Solid Shaft Incremental Optical Encoder Installation Instructions847T-IN001
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Product Certifications

See our Product Certification site for Declarations of Conformity, certificates and other certification details.

Configuration & Selection Tools

  • CrossWorks — Convert competitive catalog numbers to similar Allen-Bradley® products.
  • ProposalWorks — Build complete quotes and proposals.

Configuration and Selection Tools

  • CrossWorks — Convert competitive catalog numbers to similar Allen-Bradley® products.
  • ProposalWorks — Build complete quotes and proposals.

Other Resources

  • Knowledgebase — Visit our online resource for technical information, support chat and forums, software updates, and product safety advisories/notices.

Applications

Typical uses for this product include:

  • Converting print and web
  • Cutting machines
  • Packaging

Motion Control Case Studies — View our case studies site to discover how customers have applied Allen-Bradley Motion Control products in their applications.