Ultrasonic sensor USi®-safety

The USi-safety ultrasonic sensor system is breaking new ground for safety applications—whether in challenging, dusty environments or in outdoor areas. Machines and vehicles can be reliably protected using state-of-the-art ultrasonic technology and all of the advantages this brings. A miniature sensor unit detached from the control interface allows the USi-safety to be used even in confined installation situations. The special design of the converter allows the sensor to cover an elliptical, three-dimensional sound field with opening angles of ± 17° and ± 5°, providing an improved level of safety. Preventing safety functions from potentially being manipulated is a recurring challenge when implementing safety applications. USi-safety supports a teach-in process where a machine part is used as a reference target, so that the sensor system can register deviations immediately and the safety function can remain operational. Comprehensive parameterization software and documentation make commissioning the ultrasonic sensor system quick and simple for users. In addition, the parameterization software can be used to initialize periodic tests and to generate safety protocols for the required safety verification in a fully automated manner. Whereas conventional ultrasonic sensors emit acoustic signals in the form of a radially symmetrical sound beam, in the USi-safety this takes the form of a strongly elliptical sound field. The opening angle of ± 17° / ± 5° creates an especially wide sensing range in one plane and a narrow sensing range in the other. This allows the sensor unit to be mounted in confined installation situations.