OPB471T11

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Optical sensors are devices which are used to detect the presence, absence, proximity or movement of objects using electromagnetic fields. Photointerrupters are a type of optical sensor which work by cutting off or interrupting the light beam or radiation path when an object passes through it.

OPB471T11 is a slot-type photointerrupter manufactured by OMRON. It is one of the most popularly used optical sensors due to its wide application field and simple working principle.

Application Field

The durable sensing element of OPB471T11 can detect objects of various shapes and sizes, making it suitable for a wide range of applications. It is suitable for paper detection, color sensing, tape irregularity sensing, hoist control, door-opening detection, position detection, and automated factory control systems. By using its digital output, it can easily be used with digital controllers or to detect the presence or movement of objects.

Working Principle

The OPB471T11 operates on a simple principle. It consists of an emitter and an opposite detector, separated by a gap. The emitter emits infrared radiation which is then detected by the detector. When an object passes through the gap between the emitter and the detector, the infrared radiation is blocked and the detector is no longer able to detect it. This change in the infrared radiation is detected and the device generates an electrical signal indicating the presence or absence of the object. The device is available with a variety of logic output formats, which enables it to integrate easily with different digital logic circuits.

The OPB471T11 is designed to provide a reliable and stable response, even in environments with high levels of vibration or mechanical shock. This makes it ideal for use in harsh environments such as factory and industrial settings. The device is also available with a wide range of operating voltages, making it suitable for various applications.

The OPB471T11 is a versatile and reliable optical sensor, suitable for a wide range of applications. Its simple working principle and robust design make it a popular choice for many applications.

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