E3X-A21 Encyclopedia Entry

Product Overview

The E3X-A21 belongs to the category of photoelectric sensors. These sensors are used for detecting the presence or absence of an object, as well as for measuring the distance to an object. The E3X-A21 is commonly used in industrial automation and manufacturing processes. Its characteristics include high precision, reliability, and fast response time. The package includes the sensor unit and the amplifier unit, and it is available in various packaging quantities to suit different application needs.

Specifications

• Power Supply: 12-24V DC
• Output Type: NPN
• Sensing Method: Through-beam
• Sensing Distance: 0-2m
• Response Time: 1ms
• Operating Temperature: -25°C to 55°C
• Protection Rating: IP67

Detailed Pin Configuration

The E3X-A21 has a 4-pin M8 connector for easy installation and connection. The pin configuration is as follows: 1. Vcc (Power supply) 2. 0V (Ground) 3. Output 4. Control input

Functional Features

• High precision sensing
• Fast response time
• Compact and rugged design
• Easy installation and setup
• LED indicators for status monitoring

Advantages and Disadvantages

Advantages

• Reliable detection of objects
• Suitable for harsh industrial environments
• Versatile in various applications
• Easy integration with control systems

Disadvantages

• Limited sensing distance compared to some other sensor types
• Requires periodic maintenance for optimal performance

Working Principles

The E3X-A21 operates based on the principle of through-beam sensing. It consists of a transmitter and a receiver. When an object passes between the transmitter and receiver, it interrupts the light beam, causing the sensor to detect the object's presence. The interruption triggers the output signal, indicating the object's presence.

Detailed Application Field Plans

The E3X-A21 is widely used in the following application fields: - Conveyor belt systems for object detection - Packaging machinery for counting and positioning - Automated assembly lines for part verification - Material handling equipment for presence detection - Robotics for object recognition and positioning

Detailed and Complete Alternative Models

Some alternative models to the E3X-A21 include: - E3X-A11: Similar specifications with a shorter sensing distance - E3X-A41: Longer sensing distance and higher protection rating - E3X-A51: Analog output for distance measurement applications

In conclusion, the E3X-A21 photoelectric sensor offers reliable and precise object detection capabilities, making it an essential component in various industrial automation and manufacturing processes.

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