Pepperl+Fuchs USi-safety ultrasonic sensor system

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The Pepperl+Fuchs USi-safety ultrasonic sensor system is designed to work in challenging, dusty environments or in outdoor areas. The company says that regardless of material, surface structure and colours, reliable detection is always ensured.

Up to two ultrasonic sensor units can be connected to the evaluation unit of the USi-safety ultrasonic sensor system. They each have a single-fault tolerance, two-channel structure. Reliable protection is therefore possible via each of the two independent sensor channels: a safe sensor system is provided even when only one sensor unit is connected.

One signal output and safe OSSD outputs in accordance with category 3 PL d are available for signal output to a safety controller for each connected sensor unit. Due to the ‘wide and shallow’ shape of the detection field, the system can be successfully used just above the floor or close to a wall.

Designed for monitoring in three-dimensional space, the optimal protection of machines, vehicles and persons is made possible by the shape of the sound beam: while conventional ultrasonic sensors emit acoustic signals in the form of a radially symmetrical sound beam, the USi-safety does so in an elliptical sound field. Due to the opening angle of ±17°/±5°, a particularly wide detection range is generated in one plane and a narrow detection range in the other plane.

For more information: www.pepperl-fuchs.com/pf-usi-safety.