EE-SPX305-W2A

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Optical sensors are devices that measure an optical signal and output analogue or digital signals.The EE-SPX305-W2A Slot Type Logic Output Photointerrupter is one such device. It uses an optical source to detect a break or clear path of light. It can be used to detect shaft rotation, the position of a slot, and the movement of a flag. In this article, we will discuss the applications and working principle of the EE-SPX305-W2A.

Applications

The EE-SPX305-W2A is a versatile device and can be used in a variety of applications. It can be used in motor control, door-lock control, motor speed monitoring, alarm systems, conveyor belt monitoring, and much more. It is a common choice for applications that require reliable detection of a physical object. Its robust housing and high performance make it suitable for use in harsh environments.

The EE-SPX305-W2A has an extended range of detection, meaning that it can detect objects from up to 2.5 cm away. This, combined with its small size, makes it a great solution for applications where space is limited.

Working Principle

The EE-SPX305-W2A operates on the basic principle of emitting an infrared light from its LED emitter to a photodiode (or a reflector). This light is then interrupted by an object, causing the photodiode to detect a break in the path. The device then uses its internal circuit to convert this interruption into an output signal. This output signal is a logic output, meaning it is either 1 or 0, with 1 being the detected signal and 0 being the non-detected signal.

The EE-SPX305-W2A also employs a Schmitt trigger circuit to ensure its output signal is consistent even in harsh environments or when reflected light is present. This also allows the device to produce an output signal when objects are present at different angles and distances from the diode.

The EE-SPX305-W2A also features some protection measures to ensure reliable operation. These include a surge protection circuit, a varistor to protect against static electricity, and a reverse polarity protection circuit.

Conclusion

The EE-SPX305-W2A is a versatile, reliable, and robust device that can be used in a variety of applications. Its extended range of detection, small size, and internal protection measures make it a great choice for applications that require the detection of a physical object. It operates on the basic principle of emitting infrared light and detecting when an object interrupts this path.

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