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Ultrasonic safety sensor is ‘the first’ with PL d certification

12 February, 2021

Pepperl+Fuchs has announced an ultrasonic safety sensor which, it claims, is the first in the world to be certified in accordance with EN ISO 13849, Cat 3, PL d. P+F has acquired the technology from the German Mayser group, which specialises in safety technology, moulded parts and headwear.

The USi sensor can be used for non-contact detection of persons and objects, as well as for measuring distances in harsh environments. It is said to be unaffected by dirt, ambient noise, air flow or moisture, and can detect objects in a wide variety of materials, regardless of shape, transparency or colour.

The two-channel sensor consists of a pair of transducers connected to a controller. Objects can be detected independently on each channel via an elliptical sound beam with a range of up to 2.5m. The sensors can be freely positioned and installed independently of the controller in tight spaces. Signal outputs are provided via two safe OSSD outputs.

A teach-in function allows the device to learn the measuring environment, including objects located in the detection field. The operating parameters can be adjusted via user-friendly software.

Pepperl+Fuchs’ ultrasonic safety sensor can be used for non-contact detection of persons and objects, as well as for measuring distances in harsh environments

“The USi is the perfect complement to our broad portfolio of ultrasonic sensors and extends our range of products in the strategic target sectors of intralogistics and mobile machines to include an intelligent and highly reliable solution for safety applications,” says Reiner Müller, president of Pepperl+Fuchs’ factory automation division.

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