OPB943L51

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The OPB943L51 is an optically coupled photointerrupter with logic output. It is part of a type of optical devices known as photointerrupters which use an LED (light emitting diode) and a plane perpendicular to the axis of the LED that is interrupted when a small object is placed between them. The OPB943L51 specifically utilizes an infrared LED and is made to detect changes in position of a small object, as well as detect the presence of the small object in general.

Features and Benefits

The OPB943L51 optically coupled photointerrupter provides two main benefits for its users. One of the main benefits is its modular structure which enables users to easily replace the standard components of the device with other more specialized components. This compatibility also allows for easy integration of the OPB943L51 into existing systems and processes. Additionally, this device features a logic output with a high output sink current. The logic output is also made to be immune to external noise.

Application Field

The OPB943L51 optically coupled photointerrupter has a variety of applications including presence sensing, paper and ticket detection, and edge detection for automatic positioning and triggering of machinery and equipment with complex automation requirements. This device is most commonly used in automated production lines such as the production of food and beverages, for paper or ticket processing or in other areas with relatively simple and repetitive tasks. Additionally, the OPB943L51 can be used in more complex production processes, such as those that require a precise positioning of moving objects.

Working Principle

The OPB943L51 is made up of two main components, an LED and a photosensor. When the LED is powered on, it emits an infrared light towards the photosensor. When a small object is placed between the LED and the photosensor, it interrupts the light and the photosensor turns off the output. By reading the output of the photosensor, the OPB943L51 can detect the presence of a small object between the LED and the photosensor as well as changes in the position of the object.

Conclusion

In conclusion, the OPB943L51 optically coupled photointerrupter is a compact and reliable device that enables its users to easily detect the presence and changes in position of small objects. This device is commonly used in production lines that require automatic positioning and triggering of machinery and equipment as it is simple to integrate and its logic output ensures reliable results.

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