E3FA-TN22

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Optical sensors - Photoelectric, Industrial - are compatible with a range of applications and offer a multitude of sensing and control options for many industries. Among them, the E3FA-TN22 series of optical sensors are popular among users seeking high performance, precision, and sensitivity. This paper examines the E3FA-TN22 series in detail, including exploring its application fields, working principles, and advanced features.

The E3FA-TN22 series are miniature short-distance photoelectric sensors that provide accurate and reliable sensing for many industrial applications. They are commonly used in packaging, wood-processing, automotive, printing, and pharmaceutical industries. The sensors are also suitable for detecting small targets such as paper, bottles, and packages with high accuracy. Additionally, the sensors are used in feedback loops for controlling devices such as motors and conveyors.

E3FA-TN22 sensors feature built-in one-touch operation and adjustment for optimized sensing performance. The light-receiving head and amplifier block, combined with the LED light source, operate as an integrated unit to provide high-resolution sensing and fast response time. The sensors come with an integral amplifier and are factory adjusted for reliable operation. The amplifier output can be set to one of two levels, either an NPN or PNP response signal.

The working principle of the E3FA-TN22 series of optical sensors is based on the use of a light source, such as an LED, to emit a light beam from the sensing block toward the target. This light beam is either reflected or absorbed by the target which is detected by the light sensing head. When the light is interrupted by the target, the sensing head sends a signal to the amplifier, which in turn triggers an output signal. This output signal is then used to trigger the control device. The output signal can be adjusted to provide either an NPN or PNP response, depending on the user\'s needs.

In addition to its main features, the E3FA-TN22 sensors also offer several advanced features that make them even more useful in industrial applications. First, they feature a slim design for easy installation in narrow spaces. Additionally, they offer a low power consumption for energy efficiency. Last, the sensors are equipped with an automatic-gain-control function that self-adjusts the sensitivity to accurately and reliably detect objects near and far.

The E3FA-TN22 series of optical sensors can be used in a variety of industrial applications and offer users reliable, precision, and sensitive performances. The sensors feature an integrated design providing easy adjustment and operation with low power consumption. With an adjustable output signal of either NPN or PNP, the sensors can be used in feedback loops for controlling devices such as motors and conveyors. Additionally, the advanced features of the sensors enable them to self-adjust to accurately detect objects near and far, making them a versatile and powerful tool in an industrial setting.

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