(1) Overview of PROFIBUS PA Bus PROFIBUS is the abbreviation for “Process FieldBus”, which officially became the international standard for fieldbus in 1989. It currently dominates various automation fields and consists of three parts: PROFIBUS DP PROFIBUS PA PROFIBUS FMS PROFIBUS PA is suitable for process automation design, applying intrinsically safe transmission technology (Manchester coding, … Read more
Profibus Wiring Whether forming an MPI or a PROFIBUS-DP network, the main components used are the same: PROFIBUS cable: There are various cable models, among which the most basic is the PROFIBUS FC (Fast Connect) standard cable (order number 6XV1 830-0EH10). PROFIBUS network connectors: There are also various forms of network connectors, such as different … Read more
☞ This is the 13738th article published by Metal Processing (mw1950pub) Editor’s Note 1 Introduction Profibus-DP network is a widely used fieldbus technology for data communication and control in the automation system monitoring layer and lower layer. It represents the development of automation technology but often experiences communication interruptions during actual operation. If the situation … Read more
Search on WeChat Technical Training In engineering, the RS485 control line is often mentioned. What exactly is it? Today, I will discuss the applications related to RS485. By delving deeper into RS485, you will find that there is indeed a lot of knowledge involved. Therefore, we will choose some common issues in weak current systems … Read more
1. Understanding I2C Communication Many friends often feel confused when developing the IIC communication protocol. On one hand, it’s normal to forget related knowledge if it hasn’t been used for a long time. However, it can be quite troublesome to keep looking at the communication timing diagrams, such as the starting level conditions, stopping level … Read more
485 Communication Automatic Transceiving Circuit – The Most Detailed Explanation in History (Click to read) 5 Methods for Switching RS-485 Direction and Their Advantages and Disadvantages Analysis (ClickRead) [Guide] Hello everyone, I am Yijun. In the previous article, I summarized the industrial HART bus. Today, let’s talk about the RS-485 bus. RS-485 is also a … Read more
Many friends have left messages on the public account backend regarding applications related to RS485. If you delve deeper into RS485, you will find that there is indeed a lot of knowledge involved. Therefore, we will choose some common issues considered in weak current systems for everyone to understand. 1. What is RS485 Bus? In … Read more
1. Introduction to RS485 Smart instruments have developed alongside the maturity of microcontroller technology in the early 1980s, and now the global instrument market is largely dominated by smart instruments. The primary reason for this is the need for enterprise informatization, where a necessary condition for selecting instruments is the presence of a network communication … Read more
Welcome FPGA engineers to join the official WeChat technical group ClickBlue TextFollow us at FPGA Home – the best and largest pure FPGA engineer community in China Communication issues, like traffic problems, can also have various situations such as high speed, low speed, congestion, interruption, etc. If we compare serial communication to traffic, UART can … Read more
1. Design Overview This design implements a multi-channel UART/SPI communication system, capable of one-to-many communication. The system can operate in UART mode or SPI mode. The reason I chose this topic is mainly that my current laboratory needs to write a fast communication system based on UART. This topic can help solidify my previously learned … Read more