EE-SX473

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Optical Sensors are devices used to detect and measure light for a number of different applications. Photointerrupters are a type of Optical Sensor which use a photodiode and an LED to detect and determine the presence of an opaque object in an analog or digital form. A Slot Type photointerrupter, such as the EE-SX473, operates with an open or slot orientation where the LED light is on one side and the photodiode on the other side. When an opaque object passes through the slot, the LED light does not reach the photodiode and as a result the output voltage changes in a predetermined manner.

Features of the EE-SX473

The EE-SX473is an optically coupled device with a logic output, which can substitute relay contacts. It has an open slot that allows the light emission from the LED to match the photodiode’s sensitivity. This results in a high sensitivity and a wide operating range, allowing the EE-SX473 to be used in various industrial applications.

The EE-SX473 has an extremely small package size and can be mounted on a printed circuit board using standard soldering methods. It is also temperature compensated across a wide operating range, ensuring a high degree of reliability and accuracy. In addition, the EE-SX473 also has a low power consumption, allowing for long term use without sacrificing performance.

Applications

The EE-SX473 can be used in a wide range of industrial applications such as: printing systems, industrial automation, packaging machinery, robotics, transportation systems, medical equipment, security systems, door openers, and other similar applications. The EE-SX473 can detect and measure small objects such as coins, paper money, cards, and other objects which pass through the open slot, and the logic output ensures fast and accurate data transmission.

Working Principle of the EE-SX473

The EE-SX473 operates on the principle of photovoltaic conversion, where light emitted by the LED is converted into electrical power by the photodiode and sent to the amplifier and output terminal. When an opaque object passes through the slot, the LED light is blocked and the photodiode does not detect the light, leading to a low output voltage from the device. This change in output voltage is detected by the amplifier and the logic output can be used as an input signal for other devices.

Conclusion

The EE-SX473 is a useful optically coupled device with a logic output, which can be used to detect and measure objects in a wide range of industrial applications. It has a small size and is easy to install, and its temperature compensation ensures a high degree of reliability and accuracy. It allows for fast and accurate data transmission and is suitable for both analog and digital outputs.

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