Rotary position sensors for speciality vehicles

Posted By : Joe Bush
Rotary position sensors for speciality vehicles

The NRH27C is a non-contact rotary position sensor from Curtiss-Wright which is suitable for use on speciality on- and off-highway vehicles utilising CANbus communications. Developed by Curtiss-Wright’s legacy brand of Penny & Giles, the NRH27C extends the company’s recently introduced NRH271 and NRH272 family and shares many similar features. 

These include a low profile sensor body, small footprint, CANbus J1939 communications and a fully encapsulated, IP69K rated design that offers resistance against water, dust, shock, vibration and temperature.

This makes the range well suited for use by OEMs of on- and off-highway vehicles that are destined for use in challenging environments, and as a cost effective solution for medium volume applications where a degree of customisation may be required.

Within the CAN messaging structure of the vehicle, the NRH27C’s two independent Hall-effect sensing signals allow for error checking of the positional data, which addresses the needs of safety critical applications. Additionally, an on-board diagnostic function means predefined error messages can be sent to define the present state of the sensor. The factory programmable electronics can also be easily set to different baud rate, node ID and frame rates according to system requirements.

CANbus SAE-J1939 output.

  • Wear-free with no mechanical degredation.
  • Optimal combination of performance, safety and cost.
  • Concentric magnet assembly offsets up to 2mm.
  • Multiple magnet options.

Contained in a 9.5mm low profile housing and available with industry standard AMP Superseal, Deutsch DT04 series connectors, or simple 18AWG flying leads for customer termination, the NRH27C can be powered from a 5VDC regulated or 9-30VDC unregulated supply and provides a full 360 degree output range.

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