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EPM50S Series

Shaft Type Ø50mm Multi-Turn Absolute Rotary Encoder

ø50mm shaft type absolute multi-turn rotary encoders EPM50 series makes possible to realize space saving mounting and to implement various user applications by adding side connector type line-ups. Absolute multi-turn encoders EPM50 series provides both absolute position data per revolution and revolution count data with 23 bit high resolution and accuracy. In addition, the series allows more diverse user’s choice with parallel and serial (SSI) transmission type outputs. It can be used for control of an industrial robot or high precision motor.


  • Total 23-bit resolution (8388608-division) of 10-bit single-turn (1024-division) and 13-bit multi-turn (8192-revolution)
  • Compact size of Ø50mm
  • Parallel data/SSI data transmission type
  • Easy zero adjustment using single-turn/multi-turn data separated reset function
  • Memorizing revolution data up to ±90° after blackout without memory back up function
  • Possible CW/CCW direction setting with direction function
  • Maximizing users convenience with clear, over flow alarm (OVF) function
  • Protection structure IP64 (IEC standard) (dust-proof, oil-proof)
  • Provides Latch function (parallel output model only)


  • Rotation and position control of the wind turbine generator.
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