E3T-SR21 5M Photoelectric Sensor

Introduction

The E3T-SR21 5M photoelectric sensor is a versatile device used in industrial automation and control systems. This entry provides an overview of the product, including its category, use, characteristics, packaging, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Photoelectric Sensor
• Use: Detection and measurement of objects in industrial automation processes
• Characteristics: High precision, reliable performance, long sensing range
• Package: Compact design with durable housing
• Essence: Utilizes light beams to detect the presence or absence of an object
• Packaging/Quantity: Typically sold individually or in small quantities

Specifications

• Model: E3T-SR21 5M
• Sensing Distance: 5 meters
• Light Source: Infrared LED
• Output Configuration: NPN
• Operating Voltage: 12-24V DC
• Output Current: 100 mA
• Response Time: 1 ms
• Protection: IP67 rated for dust and water resistance

Detailed Pin Configuration

The E3T-SR21 5M sensor has the following pin configuration: - Pin 1: Vcc (Power supply) - Pin 2: Output - Pin 3: 0V (Ground)

Functional Features

• High Sensing Range: Capable of detecting objects up to 5 meters away
• Fast Response Time: Provides quick feedback for real-time control systems
• IP67 Protection: Suitable for harsh industrial environments
• NPN Output: Compatible with a wide range of control systems

Advantages and Disadvantages

Advantages

• Reliable detection in various industrial applications
• Durable construction for long-term use
• Easy integration into existing control systems

Disadvantages

• Limited to NPN output configuration
• May require additional accessories for specific mounting requirements

Working Principles

The E3T-SR21 5M photoelectric sensor operates based on the principle of light beam interruption. When an object enters the sensing range, it interrupts the light beam emitted by the sensor, causing a change in the output signal.

Detailed Application Field Plans

The E3T-SR21 5M sensor finds extensive use in the following industrial applications: - Conveyor belt systems for object detection and counting - Automated packaging lines for presence detection - Material handling equipment for position verification

Detailed and Complete Alternative Models

• E3T-SR11 3M: Similar features with a reduced sensing distance of 3 meters
• E3T-SR31 10M: Extended sensing range of 10 meters for larger-scale applications
• E3T-SR41 20M: Long-range sensor suitable for specialized industrial environments

In conclusion, the E3T-SR21 5M photoelectric sensor offers reliable and precise object detection capabilities for a wide range of industrial automation applications. Its high sensing range, fast response time, and durable construction make it a valuable component in modern control systems.

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