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OPS690 Application Field and Working Principle

Optical sensors are one of the most common sensor technologies used in a variety of applications. Photointerrupters, also known as reflective sensors, are devices that detect interruptions in light beams. Slot type photointerrupters, such as the OPS690, use a semiconductor photo-triggered switch to detect the interruption of a light beam and produce a transistor output. The OPS690 is ideal for sensing the presence of objects, detecting marking errors, and counting objects in factory automation applications.

Application Field

The OPS690 optical slot sensor has a wide variety of applications. It is primarily used in factory automation, including conveyor systems and robotic arms. It can also be used in packaging and printing applications to detect marking errors. Additionally, the OPS690 can be used for object presence detection, counting objects, and for detecting other types of interruptions of the light beam.

Working Principle

The OPS690 is a reflective slot type photointerrupter which detects the interruption of a light beam. The sender and receiver device can be up to 10 mm away from each other, allowing the sensor to be used in a range of applications. The transmitter and receiver consist of 850nm infrared emitting diodes and phototransistors. The light beam emitted from the emitter is reflected back to the receiver when there is an interruption in the beam. This interruption produces a transistor output which can be used to control various functions, such as PLC outputs, servo motors, and so on. The OPS690 has a wide operating temperature range of -20° C to +85° C, making it suitable for use in a variety of environments.

Conclusion

The OPS690 is a reflective slot type photointerrupter used in a variety of factory automation, packaging, and printing applications. The device uses an 850nm infrared emitter and phototransistor to sense the interruption of a light beam and produce a transistor output. It is designed to work in a wide operating temperature range and has a maximum detection range of up to 10 mm. The OPS690 is an ideal solution for detecting the presence of objects, detecting marking errors, and counting objects in factory automation applications.

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