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Non-Contacting Position Sensor | Bourns

A rotary position sensor translates angular mechanical position to an electrical signal. Rotary position sensors are designed for applications that typically require frequent adjustment. Shaftless designs allow for different engagement mechanisms, such as a customized shaft, a motor control, a human interface adjustment or a mechanical arm position locator. Rotary position sensors can be used in applications where a user needs to control a variable output such as a frequency, speed or volume control. Typical applications include test and measurement equipment, consumer electronics, small engines, robotics, and medical equipment. The Bourns® Model AMS22S Series uses Hall Effect magnetic technology to sense rotary position.

Series / Datasheet Link AMS22B AMS22S AMS22U EMS22A EMS22D EMS22P EMS22Q AMM20B
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Type Non-Contacting Analog Rotary Position Sensor Non-Contacting Analog Rotary Position Sensor Non-Contacting Analog Rotary Position Sensor Non-Contacting Absolute Encoder Non-Contacting Direction/Step Encoder Non-Contacting PWM Encoder Non-Contacting Incremental Encoder Non-Contacting Analog Rotary Position Sensor
Package Diameter 22 mm round 22 mm round 22 mm round 21 mm x 16 mm 21 mm x 16 mm 21 mm x 16 mm 21 mm x 16 mm 20 mm x 14 mm
Sealable IP50 IP50 IP50 IP65 IP65 IP65 IP65 IP50
Detents No No No No No No No No
Switch No No No No No No No No
Shaft Metal Metal Metal Metal Metal Metal Metal Metal
Bushing Metal Metal Metal Metal Metal
Terminal Configuration Axial Solder Lugs Axial Solder Lugs Axial Solder Lugs Axial, Radial or Ribbon Cable Axial, Radial or Ribbon Cable Axial, Radial or Ribbon Cable Axial, Radial or Ribbon Cable Axial PC Pins
Resolution Range 12 bits 12 bits 12 bits 1024 states 64, 128, 256 and 512 PPR 1024 states 32, 64, 128 and 256 PPR 12 bits
Rotational Speed 500 RPM 200 RPM 1000 RPM Up to 10,000 rpm Up to 10,000 rpm Up to 10,000 RPM Up to 10,000 RPM 500 RPM
Rotational Life 50 million shaft revolutions 50 million shaft revolutions 100 million shaft revolutions 100 million and 50 million shaft revolutions 100 million and 50 million shaft revolutions 100 million and 50 million shaft revolutions 100 million and 50 million shaft revolutions 50 million shaft revolutions
Number of Turns 1, Continuous 1, Continuous 1, Continuous 1, Continuous 1, Continuous 1, Continuous 1, Continuous 3, 5 or 10
Supply Voltage, D.C. 5.0 5.0 5.0 3.3 or 5.0 3.3 or 5.0 3.3 or 5.0 3.3 or 5.0 5.0
Mounting Type Bushing Mount Servo Mount Servo Mount Bushing or Servo Mount Bushing or Servo Mount Bushing or Servo Mount Bushing or Servo Mount Bushing Mount

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