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Allen-Bradley Hardware Product

DeviceNet Multi-turn Magnetic Absolute Encoders

  • Allen‑Bradley Bulletin 842D DeviceNet™ Multi-turn Magnetic Encoder is a 26-bit absolute multi-turn shaft encoder that is directly connected to DeviceNet.
Allen‑Bradley Bulletin 842D DeviceNet™ Multi-turn Magnetic Encoder is a 26-bit absolute multi-turn shaft encoder that is directly connected to DeviceNet.

Our Bulletin 842D DeviceNet™ Multi-turn Magnetic Encoder is a 26-bit absolute multi-turn shaft encoder that is directly connected to DeviceNet. This network capability eliminates the need for dedicated input cards. It connects to the DeviceNet trunk line using a five-pin micro quick-disconnect. You can interface up to sixty-three 842D DeviceNet encoders to a PLC or other logic system through a single network connection.

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Bulletin 842D DeviceNet Multi-Turn Magnetic Encoder
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Overview

  • Magnetic design withstands 100 g shock and temperature extremes
  • 26-bit multi-turn absolute encoder retains position data if power is lost
  • Up to 8192 PPR and 8192 turns
  • Connects via 5-pin micro quick-disconnect
  • Slotted rear cover for address and baud rate selection
  • Position reset button
  • NEMA 4/IP66 housing

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Documentation

Looking for Technical Documentation?

Visit the Technical Documentation Center to find product specifications, installation guides, user manuals, product certifications and more.

View Multi-turn Magnetic Absolute Encoders Technical Publications and Certifications

Certifications

CE Marked for all applicable directives

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

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