Industrial Automation Group Knowledge sharing and mutual assistance Join Now When we talk about the communication protocols between automation devices (such as PLCs, temperature controllers, etc.) and computers, ModBus is a widely used communication protocol. ModBus supports various communication methods, including ModBus RTU, ModBus ASCII, and ModBus TCP. Each communication method has its unique characteristics … Read more
Modbus is widely used due to its advantages The Modbus protocol is standard, open, publicly available, and has no copyright requirements The Modbus protocol supports various electrical interfaces, including RS232, RS485, TCP/IP, and can transmit over various media such as twisted pair, fiber optics, infrared, and wireless The Modbus protocol message frame format is simple, … Read more
Introduction Modbus was developed byMODICONin 1979 and is a standard forindustrial fieldbus protocol. In 1996, Schneider Electric launched the Modbus protocol based on Ethernet TCP/IP: Modbus TCP. The Modbus protocol is an application layer messaging protocol that includes three types of messages: ASCII, RTU, and TCP. The standard physical layer interfaces for Modbus protocol include … Read more
Follow+Star Public Number, don’t miss out on wonderful content Source | Network 01 Terminology Interpretation Checksum: A checksum is usually the last digit of a group of numbers, derived from the preceding numbers through some operation, used to verify the correctness of the data set. When code is inputted as data into a computer or … Read more
C++ Network Programming: Practical Performance Evaluation and Optimization 1. Introduction In today’s wave of digitalization, network programming serves as a bridge connecting various corners of the virtual world, allowing information to flow rapidly. Among the many effective tools for network programming, C++ stands out as a “sharp weapon” for developers pursuing extreme efficiency due to … Read more
Build a network video conferencing system with C++, ushering in a new era of efficient communication! Why Use C++ to Develop a Network Video Conferencing System? Among many programming languages, C++ stands out due to its excellent performance and efficient control of system resources, making it an ideal choice for developing network video conferencing systems. … Read more
Taking advantage of the previous article’s momentum: Foundation Fieldbus H1 main products have been upgraded to Ethernet/IP or Modbus TCP. Here, I present a product that can directly convert the Profibus PA protocol to Ethernet/IP or Modbus TCP protocol. This is the main content of this article. 0x00 Protocol Introduction The Profibus protocol is operated … Read more