20 Types of PLC Component Numbering and Modbus Address Correspondence Table

20 Types of PLC Component Numbering and Modbus Address Correspondence Table

Having previously worked with microcontrollers and the following 20 types of PLCs for Modbus RTU serial communication, I am now sharing the correspondence table of these 20 PLC input, output, and register components with their Modbus address numbers. Mitsubishi X components support Modbus function code 02; Y components support Modbus function codes 01, 05, and … Read more

Beginner’s Guide to TIA Portal: MODBUS TCP Client with S7-1200

Beginner's Guide to TIA Portal: MODBUS TCP Client with S7-1200

Hello everyone, good evening! Smart Control Education will officially go on holiday on February 29, 2022~ If you have any questions, you can add Xiao Zhi V: 18018269808 ; perhaps we haven’t met in person, but we have encountered each other online,Smart Control Education wishes everyone: Prosperity in 2022! What did Smart Control experience and … Read more

Understanding the MODBUS Standard Protocol

Understanding the MODBUS Standard Protocol

1. What is MODBUS? 1. Basic Concepts MODBUS is a communication protocol initially advocated by MODICON (now a brand of Schneider Electric). It has gradually been recognized as a standard communication protocol through practical applications by most companies. As long as data communication or transmission is conducted according to this protocol, different systems can communicate … Read more

Introduction to 51 Microcontroller: Sailing Innovation

Introduction to 51 Microcontroller: Sailing Innovation

Understanding and Getting Started with the 51 Microcontroller To deepen students’ knowledge in the field of competitions and enhance their understanding of microcontroller technology, the Student Science and Technology Association of the College of Automation and Information Engineering (hereinafter referred to as the “Association”) successfully held the sixth session of the “Sailing Innovation” series of … Read more

Current Status and Outlook of Fully Automated Equipment in China’s LCD Field

Current Status and Outlook of Fully Automated Equipment in China's LCD Field

After more than a decade of development, China’s liquid crystal display industry has transformed from non-existence to innovation and has become the largest producer of TN/STN panels in the world, ranking first in output value in the LCD industry. Currently, there are approximately 200 production plants and research institutes related to the LCD industry in … Read more

Introduction to 30 Common Sensor Modules and Their Working Principles (Part 1)

Introduction to 30 Common Sensor Modules and Their Working Principles (Part 1)

To acquire information from the external environment, humans must rely on sensory organs. However, relying solely on human sensory organs is inadequate for studying the laws of natural phenomena and production activities. To adapt to this situation, sensors are required. Therefore, it can be said that sensors are an extension of human senses, also known … Read more

The Revolution of UI Automation Testing: Embracing the Future with Maestro Framework

The Revolution of UI Automation Testing: Embracing the Future with Maestro Framework

/ Today’s Tech News / Recently,Google is improving its chatbot Bard, which can embed images in chat results. While images can indeed be provided in chat results, there is still a gap between the results and Bing chat. Although users can currently chat with Bard in English, Japanese, and Korean, image support in search results … Read more

Python Requests API Automation Testing Framework Tutorial

Python Requests API Automation Testing Framework Tutorial

Recommended: A Discussion on Visual Perception Testing in UI Automation This article is edited from the oschina blog by author Nan Mu Dong Er. If it helps you, feel free to share it with your friends! Recently, due to the company’s shift in testing focus from web page functional testing to API testing, most of … Read more

Comparison of Pytest and Unittest Frameworks

Comparison of Pytest and Unittest Frameworks

When learning automation, some students may struggle with whether to learn the Pytest or Unittest framework. Of course, some people learn both, but sometimes they don’t master either and only know how to use them without understanding the differences between the two frameworks. In short, to perform automated testing effectively, it is necessary to understand … Read more

Comparison of Three Common Automation Frameworks

Comparison of Three Common Automation Frameworks

After previously publishing a comparison of performance testing tools, some friends left messages wanting to understand the comparison of automation testing frameworks, especially the pros and cons between RobotFramework, pytest, and unittest. Today, we will analyze the differences between them and their respective advantages and disadvantages. 1 RobotFramework Advantages: (1) By using the keyword-driven testing … Read more