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Light Grids for Elevator Doorway Monitoring

Wed, 10/31/2007 - 12:07pm

ec7nod810a-LPepperl+Fuchs introduced its AL21 Series ultra low-profile light grids that provide automatic adaptation of the beam configuration for maximum resolution and coverage at close range for elevator doorway monitoring. They are resistant to sunlight and other ambient light sources. Triple beam crossing is maintained during closed-door conditions, offering optimal coverage as the door is about to close. The grids feature a compact 9 mm wide housing with field height of 1,800 mm, while providing a sensing range of up to 3.5m. The system also features quick disconnect electrical connectivity with one NPN and one PNP output. No external amplifier and no interconnecting wires between the transmitter and receiver are required, facilitating fast setup.

Pepperl+Fuchs, 330-486-0001, www.am.pepperl-fuchs.com
 

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