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  5. Absolute Rotary Encoders

Absolute Rotary Encoders

Absolute rotary encoders overview

Absolute rotary encoders output a uniquely coded position value for each position. This means that no reference runs are required—neither when the machine is switched on nor after a supply voltage failure.

Pepperl+Fuchs offers a wide portfolio of singleturn and multiturn absolute rotary encoders. With singleturn absolute rotary encoders, the encoding starts again at the start value after each full revolution. Multiturn absolute rotary encoders additionally record the number of revolutions. The portfolio includes numerous variants—from cost-efficient sensors for standard applications to heavy-duty versions and rotary encoders for hazardous areas. Customized solutions can also be implemented for individual requirements.

For easy integration, Pepperl+Fuchs absolute rotary encoders are available with all common interfaces:

  • PROFINET IO
  • EtherNet/IP
  • IO-Link
  • PROFIBUS
  • CANopen
  • DeviceNet
  • AS-Interface
  • SSI interface
  • Parallel interface

Portfolio

Singleturn Absolute Rotary Encoders

With singleturn absolute rotary encoders, one complete revolution of the drive shaft is divided into a maximum of 65,536 measuring steps (16 bits). After each full revolution, the coding starts again at its start value. Pepperl+Fuchs offers a comprehensive portfolio of singleturn absolute rotary encoders to meet a wide range of requirements.

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Multiturn Absolute Rotary Encoders

Multiturn absolute rotary encoders feature an integrated gear in addition to the code disk, resulting in over one billion measuring steps and a total resolution of up to 30 bits. This makes it possible to record not only the angular positions within one revolution, but also the number of revolutions.

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Application-Specific Rotary Encoders

Mining application

Heavy-Duty Absolute Rotary Encoders

Constant shock and vibration, high bearing loads, dirt and temperature fluctuations—the heavy-duty absolute rotary encoders from Pepperl+Fuchs are ideally suited for extreme environments. On cranes, excavators or lifting systems, the compact sensors impress with maximum reliability, even under the most adverse conditions.

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Hazardous area application

Absolute Rotary Encoders for Hazardous Areas

Pepperl+Fuchs offers a range of absolute rotary encoders designed for gas and dust hazardous areas as well as for firedamp-sensitive mines. Due to ATEX and IECEx approvals, the sensors can be used worldwide up to Zone 1/21. In addition to compact versions for confined installation spaces, particularly robust variants are available for extreme environmental conditions.

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ENA58IL Magnetic Rotary Encoder
ENA58IL Magnetic Rotary Encoder

Magnetic Precision. Under any Condition.ENA58IL Magnetic Rotary Encoder

Explore the New Benchmark for Industry Standard Rotary Encoders

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