E3FA-LP21 Encyclopedia Entry

Product Overview

The E3FA-LP21 belongs to the category of photoelectric sensors. These sensors are used for detecting the presence, absence, or distance of an object by using a light transmitter and receiver. The E3FA-LP21 is commonly used in industrial automation applications for its reliability and precision.

Basic Information

• Category: Photoelectric sensor
• Use: Object detection in industrial automation
• Characteristics: Reliable, precise, durable
• Package: Compact design
• Essence: Utilizes light transmission and reception for object detection
• Packaging/Quantity: Typically sold individually or in small quantities

Specifications

• Operating Principle: Through-beam
• Sensing Distance: 2m
• Light Source: Infrared LED
• Power Supply Voltage: 12-24V DC
• Output Type: NPN
• Housing Material: ABS plastic
• IP Rating: IP67

Detailed Pin Configuration

The E3FA-LP21 features a standard pin configuration with connections for power supply, output, and ground. It also includes additional pins for sensitivity adjustment and other optional functions.

Functional Features

• High Sensitivity: Capable of detecting small objects accurately
• Durable Construction: Suitable for harsh industrial environments
• Adjustable Sensing Range: Provides flexibility for different application requirements
• LED Indicators: Visual indication of sensor status

Advantages and Disadvantages

Advantages

• Reliable object detection
• Long sensing distance
• Durable construction
• Adjustable sensitivity

Disadvantages

• Limited performance in extreme temperatures
• Susceptible to interference from ambient light

Working Principles

The E3FA-LP21 operates on the through-beam principle, where the transmitter emits a beam of light to the receiver. When an object obstructs the light beam, the receiver detects the interruption and triggers the sensor's output.

Detailed Application Field Plans

The E3FA-LP21 is widely used in various industrial automation applications, including: - Conveyor belt systems - Packaging machinery - Material handling equipment - Assembly line automation

Detailed and Complete Alternative Models

• E3FA-LP22: Similar specifications with enhanced temperature resistance
• E3FA-LP30: Longer sensing distance with adjustable focus

In conclusion, the E3FA-LP21 photoelectric sensor offers reliable and precise object detection capabilities, making it a valuable component in industrial automation systems.

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