Wenglor P1MM001 optical reflex light barrier

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The Wenglor P1MM001 is an optical reflex light barrier that functions without a reflector.

The reflex light barrier is designed to reliably detect objects at considerable distances of up to 500 mm without a reflector. The functional principle, based on an evaluation of signal strength and angle measurement, requires nothing more than any available background as a reference, eg, the side panel of a conveyor system. By doing away with reflectors, the reflex light barrier requires less space and can be more flexibly integrated into a system layout.

The reflex light barrier also offers an intelligent function for dynamic readjustment of the switching threshold. It offsets external influences such as contamination and temperature fluctuation, thus claiming to ensure precise switching performance and less idle time, because no readjustment is necessary. Visible red light makes the sensor easy to align, and it can be set up for the particular application by simply pressing the teach-in key.

The reflex light barrier’s measuring process even detects transparent objects made of glass, PET and sheet materials. For example, it can check for the presence of transparent sheet materials and trays in packaging processes and detects all types of objects on conveyor belts. In the beverage industry it can be used to monitor the presence of bottles uninterruptedly throughout the entire product life cycle — beginning with bottle production and filling, right on up to machines for the return of bottles with refundable deposit.