Pepperl+Fuchs 211094

The AL2109-P-1820-EX2/25/49/115/133/76a is a light grid specifically engineered for elevator applications, featuring a detection field height of 1800 mm. It utilizes modulated infrared light at 950 nm, providing an effective detection range of 0 to 3500 mm with a threshold detection range also at 3500 mm. The device incorporates dynamic beam spacing, ranging from 61 to 135 beams, ensuring comprehensive coverage. With an automatic beam crossover capability of 3x, 5x, or 7x, it adapts based on the distance between the transmitter and receiver.

This unit operates within an ambient light limit of greater than 100,000 Lux and is rated for an ambient temperature of -20 to 55 °C (-4 to 131 °F). Its robust design includes an IP54 protection rating, making it suitable for various environments. The device features a fixed cable connection of 5 m and is constructed from aluminum for the housing while the optical face is made of plastic. Weighing 2300 g, it measures 2000 mm in length, 9 mm in width, and 34 mm in depth.

Operationally, the light grid is equipped with a function indicator LED that illuminates upon power connection, turns off when an object is detected, and flashes during a permanent interruption of two neighboring beams. The output configuration consists of one PNP and one NPN, both short-circuit protected, and capable of handling a maximum switching voltage of 30 V DC with a switching current of 100 mA.

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