Piher sensors and controls - custom potentiometers and position sensors

Airbag rotary switch.DCM-N15

PST-360
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PST-360



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The PST-360 contactless position/angle sensor combines a through-shaft design with 360º absolute position feedback in an extremely thin package.

Key features include through hole sensing where the shaft passes directly through the sensor, high accuracy absolute position feedback over 360°, and a true non-contacting sensing element. The new sensor incorporates a proprietary ring magnet with hall chip for the sensor element. This combination does not rely on gears or other rotating parts, maximizing robustness and sensing accuracy. The proprietary design provides a streamlined sensor with only one moving part along with electronics designed for harsh environments. The result is a cost-effective product in an extremely small package. 

Measuring just 9.8mm thick with a body diameter of 37mm and 50.0mm mounting hole spacing, engineers can now integrate a fully featured rotary sensor directly on their existing shafts without the packaging issues that typically accompany encoders or other through shaft sensing devices. The exceptionally low profile fits easily in places that were previously too narrow for pre-packaged rotary sensors. The standard models features 14mm or 17mm diameter double flatted shaft design. Custom rotor configurations are available from PIHER to adapt existing OEM shafts to the standard PST-360 Sensor.

The PST-360 utilities a patented Hall effect technology to enable true non-contacting through-hole shaft sensing with only one moving part –the proprietary ring magnet. This design is extremely robust with fully encapsulated electronics surrounding the durable ring magnet. Unlike optical encoders it has no sensitivity  to dust or dirt and can tolerant high vibration cycles as the ring magnet never comes into contact with the sensing electronics. The device is a true absolute sensor providing high accuracy position feedback at power on.

With it’s integrated redundancy, this position/angle sensor is ideally suited for use in a wide range of off-highway, construction, agriculture equipment steer-by-wire applications.  It can be easily adapted to fit marine outboard steering and throttle control, sport and exercise equipment, wind indicators, automation equipment and medical devices.  A wide range of popular mating connectors is available as optional features.

STANDARD SPECIFICATIONS

• Linearity: ±1% (0.5% upon request)
• Simple & Robust Magnetic Design
• Angular Range: programmable from 15º to 360º
• Programmable Linear Transfer Characteristic (positive slopes & one negative slope can be programmed in the same transfer characteristic)
• Angular Resolution (depends on electrical angle and rotational speed)

-Analog & PWM: up to 12 bits
-Serial Protocol (SPI) & CAN SAE J1939: up to 14 bits

• Severalredundancy options available
• Self-Diagnostic features
• Rotational life: virtually unlimited (depending on application and mounting)
• Operating temperature: -40ºC to +125ºC (others upon request)
• Over voltage protection and reverse voltage protection
• Supply voltage: 5/12/15V ±10% (others upon request)
• IP67 (electronics)
• Custom cabling & connector configurations

APPLICATION EXAMPLES

• Pivot point angle sensing for all applications
• Off Road/Highway Steering
• Pedal Position Sensing
• Agricultural Machinery hydraulic lift arms, scoops, articulations/joints
• Forklifts/Material Handling
• Industrial Pumps
• Robotics

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