OPB697B

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Optical sensors are becoming increasingly widely used in a variety of industries, ranging from consumer electronics to automotive, industrial and medical applications. The OPB697B is an example of a logic output slot type photointerrupter sensor that can be used in a range of applications. This article will discuss the general application field and working principle of the OPB697B.

The OPB697B is designed for use in applications where an interrupt or a blockade of the emitted infrared light beam is desired. This optical interrupter features open-collector transistor outputs and an integral snubber circuit for improved noise rejection. It is most commonly used in applications that require a narrow gap width and a signal-on-switch operation. Typical use cases include registration sensing, pulse width feedback, revolution sensing, and proximity sensing.

The OPB697B is particularly suitable for optoelectronic switching applications. The main advantage of this type of optoelectronic switching is that it does not require any contact with the switching object. This eliminates issues such as contact wear and oxidation. Furthermore, the optical switch is less sensitive to vibration and shock than a mechanical switch.

In terms of its operation, the OPB697B works by emitting an infrared light beam from the emitting element, which is then detected by the sensing element. A narrow air gap is present between the two elements, and when an object interrupts this gap, the emitted light is blocked and the output is switched. The maximum gap between the elements is 2mm, allowing for minimum registration of small objects. The infrared light emitted by the OPB697B is invisible to the human eye.

The OPB697B also features an integral snubber circuit for improved noise rejection, and its open-collector transistor output makes it compatible with various types of logic circuit. This makes it an ideal solution for many industrial applications, such as motor speed detection, distance sensing, and mechanical position feedback.

In conclusion, the OPB697B is a logic output slot type photointerrupter sensor that is suitable for many industrial applications. It is designed for use in applications that require a narrow gap width and a signal-on-switch operation, and its operation works by emitting an infrared light beam which is then detected by a sensing element. It features an integral snubber circuit for improved noise rejection, and its open-collector transistor output makes it compatible with many logic circuits. It is an ideal choice for optoelectronic switching applications, and can be used in a variety of industries, ranging from consumer electronics to automotive, industrial, and medical applications.

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