CM18-12NNP-EW1

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Proximity sensors refer to sensors that detect the presence of objects without physical contact. This includes proximity sensors, inductive proximity sensors, capacitive proximity sensors, ultrasonic proximity sensors, contrast sensors, photoelectric proximity sensors, area scan cameras and other types of sensors. CM18-12NNP-EW1 is a type of proximity sensor and is used for various applications.

Applications of CM18-12NNP-EW1

The CM18-12NNP-EW1 is a low-cost inductive proximity sensor that is used in industrial automation applications. Its main application is detecting the presence of metals with its built-in coil, without contact. This coil is connected to a magnet in the case of the CM18-12NNP-EW1, allowing it to detect metallic objects within a certain range. Other applications include detecting the presence of liquids, monitoring the flow of liquids and gases, and the detection of physical motion.

The sensor can be used for detecting the presence of small, medium, and large metal targets. It can also detect any type of conductive material. The low-cost compact design and robust components make this sensor ideal for applications where space is limited. The CM18-12NNP-EW1 also has a good resistance to most environmental conditions. This makes it suitable for use in harsh environments, including those with high temperatures, humidity, and dust.

Additionally, the CM18-12NNP-EW1 has a wide range of detection distances, making it suitable for a variety of applications. This proximity sensor is also highly resistant to external electrical interference, making it an excellent choice for use in environments with high levels of electrical noise.

Working Principle of CM18-12NNP-EW1

The working principle of the CM18-12NNP-EW1 is based on induction. When an electric current is passed through the coil, an electromagnetic field is generated. If the sensor detects a metal within the range of the field, it will detect a change in the field. The CM18-12NNP-EW1 has a built-in amplifier which amplifies this change, producing an output signal.

The CM18-12NNP-EW1 is designed to detect the presence of any conductive material, including both ferromagnetic and non-ferromagnetic materials. The sensor can detect objects up to a distance of 25mm and can be adjusted for sensitivity. The output signal is either a 4 to 20mA current or a 0 to 10V voltage, depending on the configuration.

The CM18-12NNP-EW1 also has a built-in comparison circuit which allows it to be used in conjunction with an inductive timer or a Programmable Logic Controller (PLC). This comparison circuit is designed to compare the output signal of the sensor to a predefined threshold. If the output signal of the sensor is larger or equal to the threshold, the output signal will be a logic 1 signal, indicating the presence of a target. If the output signal of the sensor is lower than the threshold, then the output signal will be a logic 0 signal, indicating the absence of a target.

Conclusion

The CM18-12NNP-EW1 is an affordable and reliable proximity sensor for various industrial automation applications. It is designed to detect the presence of any conductive material, up to a range of 25mm. Its low-cost design and robust components make it an ideal choice for applications where space is limited. Additionally, the sensor has a built-in amplifier circuit and a comparison circuit, making it suitable for use in conjunction with an inductive timer or a Programmable Logic Controller (PLC).

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