OPB982L51Z

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Optical Sensors are devices used to detect the presence or absence of objects. In particular, Photointerrupters are usually used for sensing the presence or absence of an object in a location or for sensing the passage of an object through a location. One type of Photointerrupter is the Slot Type which features a continuous slot between the emitter and receiver. The OPB982L51Z is a Slot Type Photointerrupter with a Logic Output. In this article we will discuss its application field and working principle.

Application Field

The OPB982L51Z is a popular choice for applications requiring a non-contact method for accurately sensing the presence of an object or for sensing the passage of an object. It is frequently used in robotics, industrial automation, automotive and transportation applications, and commercial products such as security and gaming systems. It is also sometimes used for applications such as paper sensing and door open/closed sensing.

Working Principle

The OPB982L51Z consists of an emitter and a receiver connected in a slot profile. When this photointerrupter is employed, the object to be sensed is inserted into the slot in the Profile. This will cause the emitter to be interrupted, stopping the flow of light to the receiver. As a result, the output of the receiver will switch states from high to low. This change in state is returned as a logic output.

The OPB982L51Z has a response time of approximately 60 microseconds. It features a caged slot profile for excellent noise immunity under a wide range of conditions. In addition, it includes an internal Schmitt trigger to provide an accurate switching threshold and to ensure digitalized logic output. Furthermore, the OPB982L51Z is suitable for a wide range of applications, as it is available in a broad range of package types.

Conclusion

Slot Type Photointerrupters such as the OPB982L51Z are popular with users due to their non-contact approach for sensing an object or the passage of an object. The OPB982L51Z is suitable for a range of automation applications and is also employed in commercial settings such as security and gaming systems. Its logic output, caged slot profile, and its response time of approximately 60 microseconds, make the OPB982L51Z an ideal choice for applications that require accurate and reliable object sensing.

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