Machine Design

Long-Range Optical Sensor

The OPB720 optical reflective switch detects the presence of an object up to 24 in. (610 mm).

The miniature plastic housing measures 1.1 0.68 0.33 in. (27.9 17.3 8.44 mm). Compatible with most PLCs, the sensor features open-collector outputs with an operating voltage of 30 V, maximum collector current of 50 mA, and power dissipation of 300 mW. Object-sensing size begins at 0.08 in. at a distance of 8 in. from the sensor.

Optek Technology Inc., 1645 Wallace Dr., Carrollton, TX 75006, (972) 323-2200, optekinc.com

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