Elevators

Safe monitoring of cab access as well as reliable and exact positioning are the main tasks of sensor technology used on elevators. The components for continuous monitoring can be found wherever movements pose a potential danger to people—such as when elevator doors close.

Contemporary glass elevators are synonymous with modern architecture and innovative design. They require state-of-the-art threshold detection specifically designed for elevator doors to ensure passenger safety and comfort. Pepperl+Fuchs ultra-low profile, AL21 series light curtains are available in a compact, 9 mm wide housing—our smallest—for easy mounting. The A21 light grid’s beam correspondence is automatically set to obtain maximum resolution with beams that automatically change as the distance between the transmitter and receiver move farther apart, allowing detection of small targets even at near zero separation. The AL21 light curtain maintains a three-fold beam configuration even as the elevator door closes (at zero separation).