OPB628

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OPB628 Application Field and Working Principle

Optical sensors are used in a wide variety of applications to detect the presence of an object within a specific area. The OPB628 is an example of a slot type optical photointerrupter with a logic output. This type of device is suitable for a wide range of applications, including the control of a motor or as an input to a logic circuit.

Features

The OPB628 optical slot type photointerrupter has a number of features that make it suitable for many applications. It is highly sensitive to light and has a logic output that can be used to control a motor or to provide an input to a logic circuit. The device is easy to install and requires minimal maintenance. It also has a wide input voltage range of 4.5-24VDC, making it suitable for applications with varying power requirements. In addition, it is highly reliable and durable, as it is rated to operate for up to one million cycles.

Working Principle

The working principle of the OPB628 optical slot type photointerrupter involves the use of an infrared light-emitting diode (LED) and an infrared detector. When the light source is blocked or interrupted by an object, the signal from the photointerrupter is changed and the output of the device is affected. This in turn will cause the motor or logic circuit to respond accordingly.

The OPB628 optical slot type photointerrupter is designed to detect objects between 0.5 and 3mm in size. When the object passes over the slot, the infrared light beam is blocked, and the device responds accordingly. The extruded shield around the slot helps to reduce the chance of false triggers caused by ambient light, and the selectable output delay time allows the user to adjust the response time to match the object-detection needs.

Applications

The OPB628 optical slot type photointerrupter has a wide range of applications. It can be used in a variety of motor control systems, such as automatic door openers, roller shade systems, and roller conveyor systems. It can also be used as an input to a logic circuit, such as a PLC, or as an input to a microcontroller. Additionally, the device can be used to detect the presence of an object within an enclosed space. It is ideal for applications requiring a reliable, repeatable, and cost-effective solution.

Conclusion

The OPB628 optical slot type photointerrupter is a reliable and cost-effective device suitable for a wide range of applications. It is highly sensitive to light and can detect objects between 0.5 and 3mm in size. The device is also easy to install and requires minimal maintenance. With its wide input voltage range and selectable output delay time, the OPB628 is a versatile solution for a variety of applications.

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