ASM POSIHALL Multi-Turn Optical Encoders

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