E3T-ST21M Product Overview

Introduction

The E3T-ST21M is a photoelectric sensor designed for various industrial applications. This entry provides an in-depth overview of the product, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Product Name: E3T-ST21M
• Category: Photoelectric Sensor
• Use: Industrial automation and control
• Characteristics: High precision, reliable performance, long operational life
• Package: Compact design
• Essence: Detection and measurement of objects
• Packaging/Quantity: Typically sold individually

Specifications

• Sensing Method: Through-beam
• Sensing Distance: 2m
• Light Source: Infrared LED
• Operating Voltage: 12-24V DC
• Output Type: NPN or PNP
• Response Time: 1ms
• Protection: IP67 rated

Detailed Pin Configuration

The E3T-ST21M features a standard pin configuration with clearly labeled terminals for power supply, output, and ground connections. Refer to the product manual for the detailed pinout diagram.

Functional Features

• High Precision: Accurate detection of objects within the specified range
• Reliability: Consistent performance in various industrial environments
• Longevity: Durable construction for extended operational life
• Versatility: Suitable for diverse industrial automation applications

Advantages and Disadvantages

Advantages

• Reliable and accurate object detection
• Compact and robust design
• Easy to install and integrate into existing systems
• Compatible with different output types (NPN/PNP)

Disadvantages

• Limited sensing distance compared to some other models
• Susceptible to interference from ambient light in certain conditions

Working Principles

The E3T-ST21M operates based on the principle of through-beam sensing, where the transmitter emits an infrared beam that is received by the receiver. When an object obstructs the beam, the sensor detects the interruption and triggers the output signal accordingly.

Detailed Application Field Plans

The E3T-ST21M is suitable for a wide range of industrial applications, including: - Conveyor belt systems for object detection and counting - Automated packaging lines for presence detection of items - Material handling equipment for position verification - Robotic systems for part recognition and positioning

Detailed and Complete Alternative Models

For users seeking alternative models with similar functionality, the following options can be considered: - E3T-SR21 - Offers longer sensing distance - E3T-FT12 - Features built-in amplifier for simplified installation - E3T-CD11 - Designed for high-speed object detection applications

In conclusion, the E3T-ST21M photoelectric sensor offers reliable and precise object detection capabilities, making it a valuable component in industrial automation and control systems.

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