Click the blue text to follow us In today’s wave of industrial intelligence, PLC (Programmable Logic Controller) plays a crucial role as a core tool in the field of industrial automation. Through PLC programming, industrial production lines can achieve intelligent and precise control, thereby improving production efficiency, reducing costs, and realizing the goal of intelligent … Read more
Search on WeChat Technical Training Editor’s Note: By chance, I learned that Raspberry Pi can also be related to PLCs in industrial applications, and there are some mature solutions. I found this quite interesting and thought it could be popularized. Thus, we have this series of articles today. Starting from today, we will successively publish … Read more
A PLC (Programmable Logic Controller) is a digital electronic system used for controlling, executing, and monitoring automated machinery. It is widely applied in various fields such as building equipment control, water treatment, energy, and industrial automation, forming a large market scale. With the development of the “New Four Modernizations” in automotive electronics, the growth rate … Read more
As a type of industrial control computer, PLC has a structure similar to that of a regular computer; however, due to different usage scenarios and purposes, there are some structural differences. Hardware Components of PLC The basic structural block diagram of the PLC hardware system is shown in the figure. In the figure, the PLC … Read more
The emergence of the Internet of Things and artificial intelligence has led to profound transformations across various industries. The technological upgrade from cloud to edge has also imposed new requirements on different sectors. According to data from the well-known organization IDC, it is estimated that by 2025, about 75% of data will be generated and … Read more
This design guide discusses how to design RS-485 interface circuits. The necessity of balanced transmission line standards is discussed, along with an example of process control design. The article also discusses line load, signal attenuation, fault protection, and current isolation under various headings. 1. Why Balanced Transmission Line Standards Are Necessary The focus of this … Read more
Difference Between RS232 and RS485 Interfaces 1. Physical Structure of the Interface 1. RS232 Interface One of the computer communication interfaces, typically the RS-232 interface appears in the form of 9 pins (DB-9) or 25 pins (DB-25). Generally, personal computers have two sets of RS-232 interfaces, referred to as COM1 and COM2. 2. RS485 RS485 … Read more
Click↑↑Technical Training, follow and pinto subscribe for free long-term 190,000+Industrial control professionals follow this WeChat platform: technical sharing, learning exchange, industrial control videos RS232 and RS485 are common interfaces in low-voltage applications. Many friends mention the differences between them, so today let’s learn about them together. 1. Physical Structure of Interfaces 1. RS232 Interface: One … Read more
In industrial automation and monitoring systems, the stability and reliability of data transmission are crucial. RS-485 and RS-232, as two common serial communication standards, each have unique advantages and limitations. Especially in terms of long-distance cable transmission, achieving stable and efficient data communication has always been a focus for engineers. This article will delve into … Read more
Development of PROFIBUS DP data bus cable WANG Hai-ling1, ZHANG Hong-yan2 (1. Anhui Xinke Cable Group Co., Ltd., Wuwei 238300, China; 2. Anhui Zongheng HI-TECH Cables Co., Ltd., Hefei 230051, China) [Abstract]: With the continuous deepening and development of the domestic industrialization process, the demand for industrial automation networks is increasingly extensive. Especially since the … Read more