E3FA-RP21 Encyclopedia Entry

Product Overview

The E3FA-RP21 belongs to the category of photoelectric sensors and is commonly used for object detection in industrial automation applications. These sensors are known for their high precision, reliability, and versatility. The E3FA-RP21 comes in a compact package and offers various characteristics that make it suitable for a wide range of applications.

Basic Information

• Category: Photoelectric Sensor
• Use: Object Detection in Industrial Automation
• Characteristics: High Precision, Reliability, Versatility
• Package: Compact Design
• Essence: Accurate Object Detection
• Packaging/Quantity: Typically Sold Individually

Specifications

• Sensing Method: Through-beam
• Sensing Distance: 2m
• Light Source: Infrared LED
• Operating Voltage: 10-30V DC
• Output Type: NPN/PNP
• Connection Type: Pre-wired (2m cable)

Detailed Pin Configuration

The E3FA-RP21 sensor has a standard pin configuration with connections for power supply, output, and ground. It also includes additional pins for configuration and diagnostics.

| Pin Number | Function | |------------|--------------| | 1 | Power Supply | | 2 | Output | | 3 | Ground | | 4 | Configuration/Diagnostics |

Functional Features

• High Sensing Distance: Capable of detecting objects up to 2m away.
• Infrared LED: Utilizes an infrared light source for reliable detection.
• NPN/PNP Output: Offers flexibility in integration with different control systems.
• Compact Design: Space-saving and easy to install in various environments.

Advantages and Disadvantages

Advantages

• Reliable object detection even in harsh industrial environments.
• Versatile output options for seamless integration.
• Compact design for easy installation in tight spaces.

Disadvantages

• Limited sensing distance compared to some long-range sensors.
• Susceptible to interference from ambient light in certain conditions.

Working Principles

The E3FA-RP21 operates based on the principle of light beam interruption. When an object passes between the transmitter and receiver, it interrupts the light beam, triggering the sensor to send a signal indicating the presence of the object.

Detailed Application Field Plans

The E3FA-RP21 is widely used in various industrial automation applications, including: - Conveyor belt systems for object detection and counting. - Packaging machinery for detecting the presence of products. - Automated assembly lines for part verification and positioning.

Detailed and Complete Alternative Models

Some alternative models to the E3FA-RP21 include: - E3FA-RP22: Similar features with extended sensing distance. - E3FA-RP20: Compact design with basic sensing capabilities. - E3FA-RP25: Long-range sensor with advanced interference resistance.

In conclusion, the E3FA-RP21 photoelectric sensor offers reliable and precise object detection in industrial automation settings. Its compact design, versatile output options, and high sensitivity make it a valuable component in various applications.

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