E3FA-RN21 Encyclopedia Entry

Product Overview

The E3FA-RN21 belongs to the category of photoelectric sensors and is commonly used for detecting the presence or absence of an object. These sensors are known for their reliability, accuracy, and versatility. The E3FA-RN21 sensor is characterized by its compact design, high precision, and ease of installation. It is typically packaged in a durable housing with a specified quantity per package.

Specifications

• Sensing Method: Through-beam
• Sensing Distance: 2m
• Output Configuration: NPN
• Power Supply: 12-24V DC
• Enclosure Rating: IP67
• Operating Temperature: -25°C to 55°C

Detailed Pin Configuration

The E3FA-RN21 sensor has a standard pin configuration with clearly labeled pins for power supply, output, and ground connections. Refer to the product manual for the exact pinout details.

Functional Features

• High sensing distance
• Reliable NPN output
• Durable IP67 enclosure
• Wide operating temperature range

Advantages and Disadvantages

Advantages

• Long sensing distance
• Robust construction
• Versatile application
• Easy installation

Disadvantages

• Limited to NPN output configuration
• Restricted operating temperature range

Working Principles

The E3FA-RN21 operates based on the through-beam sensing method, where it emits a beam of light and detects the interruption of this beam by an object. Upon detection, it triggers the NPN output signal, indicating the presence of the object.

Detailed Application Field Plans

The E3FA-RN21 sensor finds extensive applications in industrial automation, conveyor systems, packaging machinery, and material handling equipment. Its long sensing distance and reliable performance make it suitable for use in diverse industrial environments.

Detailed and Complete Alternative Models

• E3FA-RN20: Similar specifications with a shorter sensing distance
• E3FA-RN22: Similar specifications with a longer sensing distance
• E3FA-RN23: Similar specifications with a different output configuration

In conclusion, the E3FA-RN21 photoelectric sensor offers a reliable and precise solution for object detection in industrial settings. Its robust design and versatile applications make it a popular choice for various automation and control systems.

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