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Allen-Bradley Hardware Product

Single-turn Absolute Encoders

Our Bulletin 845D Single-turn heavy-duty NEMA Type 4 single-turn absolute position encoder digitizes shaft angle position into one of a number of absolute code formats. Our encoder has a unique digital output for each shaft position. It uses a single laser diode and a fiber optic assembly to produce a concentrated beam of light that passes through a code disk and is sensed as high level optical signals.

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Bulletin 845D Single-Turn
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Overview

  • Absolute gray code, natural binary or binary coded decimal (BCD) output
  • Optional latch command input for discrete I/O
  • Optional 5V, or 8-24V DC power requirements
  • 85 °C (185 °F) operating temperature
  • Electronic zero set pin
  • Field-selectable direction control

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Specifications

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845D Absolute Encoder Installation Instructions

Certifications

  • CE Marked
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
845D Absolute Encoder Installation Instructions 845D-IN002
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