Click on the “Five-Minute Algorithm Learning” above to select the “Star” public account Heavyweight content delivered first-hand From: Juejin, Author: Ruheng Link: https://juejin.im/post/6844903490595061767 1. TCP/IP Model The TCP/IP protocol model (Transmission Control Protocol/Internet Protocol) includes a series of network protocols that form the foundation of the internet and is the core protocol of the Internet. … Read more
Click the “Five-Minute Algorithm Learning” above and select the “Star” public account Heavyweight content delivered first time When it comes to the protocols we encounter most in computer networks, we cannot ignore the TCP/IP protocol, which is also the most famous protocol on the Internet. Let’s talk about the TCP/IP protocol together. Historical Background of … Read more
What Are TCP Segmentation and IP Fragmentation We know that a network is like a pipe, and pipes can have different diameters. When a data packet wants to travel from one end of the pipe to the other, it must pass through this pipe. (Obvious, right?) However, the size of data packets can be varied, … Read more
For more content, please click above to follow ABB Robot Practical Skills You can also click on the public account below Classic Articles to browse more content For reprints, please leave a message in the background first, let’s support original content together and promote the use and development of robots This public account provides technical … Read more
11.7 Modbus TCP Programming and Experimentation This course does not support sensors that use the Modbus TCP protocol, so we will write two programs: ① modbus_server_tcp.c: Simulate a Modbus TCP sensor ② modbus_client_tcp.c: Operate the sensor The program structure is shown in the figure below: No special connections are required on the hardware. The source … Read more
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