OPB870L51TX

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Optical sensors are utilized in the automation industry in many ways. Photointerrupters are a class of optical sensors that use light to detect and capture an object. Generally, photointerrupters are used to count moving objects, measure changes in reflected light, detect presence or absence of objects, and for positioning applications. The OPB870L51TX optic sensor from Omron is a slot-type photointerrupter with a transistor output.The OPB870L51TX is a 2-channel transmissive optic sensor, with an infrared emitter and two receivers. It has a slot width of 8.7 mm and is designed for high-speed response. The output of the OPB870L51TX is a CMOS (complementary metal-oxide semiconductor) type transistor, which provides a high level of stability and reproducibility when detecting objects through its slot.In terms of the application fields of the OPB870L51TX, it is especially suited to applications such as cash dispensers, automated teller machines, and measuring devices in wood and metal processing. It is also suitable for non-contact switch sensors, detected objects up to width 8.7 mm and works reliably at speeds up to 850 mm/s. The operation of the OPB870L51TX can be described as being a challenge-and-response system. Light from a light source such as an infrared LED is emitted from the emitter, which is then received and sensed by the receiver according to the changes in the light conditions. When a detected object is present in the OPB870L51TX’s slot, the infrared LED will be blocked and the light will not be sensed. This change in light condition triggers a response from the sensor, and the transistor output will then be triggered. The use of an infrared LED in this sensor means that it is highly sensitive and able to detect the presence of an object even when tiny changes in light occur. In addition, its miniature size and high resolution makes it ideal for detecting small objects at high speeds.The OPB870L51TX optical sensor from Omron is designed with a wide range of applications in mind and is ideal for industrial applications that require a fast, reliable and high-resolution sensor. Its transmissive design makes it exceptionally sensitive to small changes in light and able to detect objects at high speeds.

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