OPB492T11Z

Series:	Photologic®
Part Status:	Active
Sensing Distance:	0.125" (3.18mm)
Sensing Method:	Transmissive
Output Configuration:	Pull-Up Resistor, Inverted
Mounting Type:	Chassis Mount, Wire Lead
Current - Supply:	7.5mA
Voltage - Supply:	4.5 V ~ 16 V
Response Time:	50ns
Operating Temperature:	-40°C ~ 85°C (TA)
Package / Case:	Module, Pre-Wired

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OPB492T11Z Application Field and Working Principle

Optical Sensors – Photointerrupters – Slot Type – Logic Output is a family of optical sensors which allows for precise sensing of objects based on the interruption of an existing light source. OPB492T11Z is a type of photointerrupter that uses a logic output to signal the presence of an object. It is suitable for a variety of applications, including safety monitoring, assembly line automation, and element counting.

Overview

OPB492T11Z is a compact optical sensor that is economical and easy to use. This photointerrupter consists of a sensor and a detector separated by an infrared transmitting window. The detector is sensitive to the intensity of light that enters the window, while the sensor works to provide a reliable detection after interrupting the light source from the detector. The output of the optical sensor is a digital logic signal, making it easy to integrate with other digital components.

Features

OPB492T11Z offers several advantages over other optical sensors. Unlike many other sensors, this one does not require any external power source because of its low power consumption. This photointerrupter is also very reliable, providing consistent repeatability between each detection signal regardless of the size of the object being detected. Additionally, this optical sensor is fast, providing a response time of just 20 μs.

Applications

OPB492T11Z is suitable for a variety of applications, including safety monitoring, assembly line automation, and element counting. It is commonly used in industrial production lines or robotic applications to detect the presence and absence of objects. The sensor is also applicable in measuring the speed of moving objects by detecting the periodical gaps between them.

Working Principle

The working principle of OPB492T11Z is based on interrupting the light source between the sensor and detector. The sensor consists of a light-emitting part and an opto-transistor, while the detector contains a phototransistor. When an object passes between the sensor and detector, the light source between them is blocked, resulting in an output signal from the opto-transistor. The output signal will have a logic value of \'1\' if the light source is interrupted, and \'0\' if the light source is not interrupted. The digital logic signal can then be used to drive other components or further logic processing.

Conclusion

OPB492T11Z is an optical sensor that provides reliable sensing of objects based on the interruption of the existing light source. It is a type of photointerrupter that provides a digital logic output signal for easy integration with other digital components. This economical and easy to use optical sensor is suitable for a variety of applications, including safety monitoring, assembly line automation, and element counting. The working principle of the optical sensor is based on its ability to detect the presence or absence of objects by interrupting the light source.

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