RX-500G

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Optical Sensors provide a wide variety of options for automation applications. Photointerrupters are one type of optical sensor that can detect and measure the presence and/or interruptions of light when mounted in a suitable package. The Slot Type of photointerrupters are designed to be able to detect the presence or interruption of light within a narrow field of view and the Logic Output version typically provides an output signal indicating that the light/ interruption has been detected. An example of this versatile type of sensor is the RX-500G, which is used in many applications in a wide range of industries.

Applications and Industries

The RX-500G is a versatile, low cost, easy to use, and robust photointerrupter that can be used in a wide variety of applications. It can be used for switching, detection, and counting applications; and is especially suitable for paper-handling, ticket sorting, coding, and packing functions. It is also widely used in industries such as telecommunications, automotive, printing, food and beverage, medical, and semiconductor manufacturing.

Features and Benefits

The RX-500G features a long-life output signal due to its can be activated very quickly and without the need of ANY external components. The self-contained unit can be mounted in tight space without extra wiring and programming.

The high-speed, noisy environments in which the device will operate, it is equipped with a patented technology that suppresses false detection. It also offers a significant degree of protection against voltage and discharges spikes, ensuring reliable operation and accurate detection in these environments.

Working Principle

The logic output photointerrupter RX-500G features an infrared LED and an NPN transistor integrated into a small form factor package. The LED is modulated at a frequency of 70kHz, and when a light path interrupts the beam, the transistor is turned off. When the light path between the LED and the transistor is blocked, the transistor output voltage drops and an optical detection signal is generated.

The RX-500G is designed with low noise and drift and comes with two logic output signals: a "detection" signal and a "no detection" signal. When the light path is blocked, the “detection” signal is triggered, and when the light path is detected, the “no detection” signal is triggered. This binary output makes it easy to connect to a variety of control systems.

Conclusion

The RX-500G photointerrupter offers a versatile, low-cost and robust solution for automation applications, working well in a wide range of industries and applications. Its self-contained design, coupled with a robust construction and high noise immunity, make it an ideal option for reliable and accurate switching, detection and counting.

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