ASM POSIHALL Multi-Turn Optical Encoders

ASM Sensors' POSIHALL optical encoders are capable of providing reliable and correct positioning even after disturbances such as a power failure.

Ph36 Explosion 300dpi 588a176a7bf40
Asmsensors 10055038

ASM Sensors introduces the magnetic multi-turn encoder technology POSIHALL.

  • Measures true-absolute
  • Robust alternative to optical encoders
  • Measures absolute angular position of shaft over multiple revolutions by utilizing gear coupled multi-hall sensor system that uses magnetic nonius (vernier) principle
  • Ensures reliable and correct positioning even after disturbances such as power failure
  • Can be mounted directly onto machine’s rotation axis
  • Available in protection class up to IP69
  • Sensor electronics completely enclosed and protected by rugged housing
  • Non-contact magnetic multi-hall technology is able to reliably detect measuring data even if machine housing is filled with water or oil
  • Sensor body has an integral shielding against magnetic fields
  • Works in environments with magnetic field strengths up to 0.5 Tesla
  • Available with redundant outputs for safety applications
  • Operate reliably and precisely with high levels of shock and vibration resistance
  • Operating temperature range of -40-85 C (-40-185 F)
  • Measurement range for PH36 model is up to 31 x 360 degree revolutions and for PH58/PH68 models up to 255 x 360 degree revolutions
  • Available with digital (SSI, CANopen snd CAN SAE J1939) and analog outputs
  • Single turn linearity is 0.3%
  • Reach resolution of 14 bit
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