The Internet of Things (IoT) is an important component of the new generation of information technology and a significant development phase in the “information age.” As the name suggests, the IoT is an internet that connects everything. This has two implications: first, the core and foundation of the IoT remains the internet, which is an … Read more
In microcontroller systems, the issue of electromagnetic compatibility (EMC) is one of the most challenging to resolve. It primarily stems from electromagnetic interference (EMI) both inside and outside the system, which can easily lead to abnormal operation of the microcontroller, thereby affecting the stability and reliability of the entire system. Therefore, it is essential to … Read more
1. Introduction USB, as a new interconnection protocol for PCs, makes the connection between peripherals and computers more efficient and convenient. This interface is suitable for various devices, not only featuring fast speed, plug-and-play, and support for hot-swapping, but also allowing up to 127 devices to connect simultaneously, solving issues such as resource conflicts, interrupt … Read more
2024 Tianjin Adult Higher Education Entrance Exam Computer Preparation Plan Summary of Chapter Key Points, Please Click Below 👇 [Adult Higher Education Preparation] Key Points for Chapter One of Computer Fundamentals [Adult Higher Education Preparation] Key Points for Chapter Two of Computer Fundamentals [Adult Higher Education Preparation] Key Points for Chapter Three of Computer Fundamentals … Read more
As we all know, the TCP/IP model is the foundational model for most network communications today, and its basic function is to define the technical framework for interconnecting devices. Through it, networks around the world can interconnect, and information can be exchanged globally. The protocol stack is also known as the communication stack. When we … Read more
Interesting | Informative | Quality Chatting on WeChat, browsing Weibo, watching videos… surfing the internet on a mobile phone has become an important part of our lives.On March 5, Premier Li Keqiang proposed in the government work report to abolish the “roaming” fees for data, and to reduce mobile network data charges by at least … Read more
The materials shared by this public account are collected and organized from the internet. All text and images are copyrighted by the original authors and represent their personal views, unrelated to this public account. The article is for readers’ learning and exchange purposes only, and please verify the relevant content yourself. If the article content … Read more
How to Seamlessly Connect Multiple PLCs via Network? Multi-Unit Networking Communication is Key. When done right, it’s not difficult for multiple controllers to work together. What is Multi-Unit Networking Communication? In simple terms, it allows multiple PLCs to communicate data over a network to achieve coordinated work. This can be used for distributed control, for … Read more
(Click the public account above to quickly follow) Source: Wang Dongyu Link: http://wangdy.blog.51cto.com/3845563/1588379 OSI Reference Model OSI RM: Open System Interconnection Reference Model The OSI reference model has the following advantages: Simplifies related network operations; Provides compatibility and standard interfaces between devices; Promotes standardization efforts; Structurally separable; Easy to implement and maintain. Since the 1960s, … Read more
To communicate with other devices in a PLC, the MODBUS function library is definitely the most commonly used. Let me share my experiences and some tips from my work~ As the “universal solution” in the field of industrial automation, the MODBUS library allows our PLC to communicate with other devices that support the MODBUS protocol. … Read more