E3RA-TN21

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The E3RA-TN21 is a reflective type photoelectric sensor with built-in amplifier, designed for industrial automation applications. This type of sensor is used in many automated industrial processes, from material handling to computer-controlled system maintenance. The basic working principle of this photoelectric sensor is to detect reflected light from an object as it passes by or reaches the sensor.

Light from the built-in LED (Light Emitting Diode) is emitted in a specific range of wavelengths and is detected either directly or through a reflector. When the LED emits light rays and an object is detected, the reflected light is detected and analyzed by the photoelectric amplifier circuit. The output signal from the amplifier is either a switch closure or an appropriate digital signal, depending upon the reflective type of the sensor.

To ensure reliable operation, a light shield prevents external interference from entering the optical path of the E3RA-TN21. The light shield covers the LED, photo diode/detector and other components, and is designed to keep out noise and other external sources of interference. The photoelectric sensor also includes automatic detection of any changes in the LED intensity. This helps to protect the system from sudden power surges and allows for accurate switching operations.

The E3RA-TN21 is available in two mounting types: surface mount and cylindrical mount. The cylindrical mount type can be easily installed in box relays, boxes, or machine control panels. It is rugged and designed for long-term durability. The surface mount type can be used with a wide variety of test tools and fixtures.

This type of photoelectric sensor has many advantages over its conventional counterparts. It requires less external power, as the amplifier is integrated into the sensor. This reduces the cost of installation. It has a faster response time and less power consumption, making it more efficient. The device can detect objects faster and more accurately due to its more precise optics. Finally, since the E3RA-TN21 is designed for industrial use, it is rated to withstand harsh environments, making it an ideal solution for a wide range of applications.

The E3RA-TN21 is designed for a wide range of automated industrial applications, including robotic arms, material handling, equipment and system maintenance, conveyor systems, machine automation and process control. Its variety of outputs, inputs, and mounting types makes it suitable for all types of industrial environments. Additionally, its fast response time and low power consumption make it a cost-effective solution for industrial automation requirements.

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