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
Understanding the Differences Between Profibus, Profinet, and Ethernet Ethernet is a well-known network standard created by Xerox and developed in collaboration with Intel and DEC. It is the most widely used communication protocol standard for local area networks today, including standard Ethernet (10Mbit/s), Fast Ethernet (100Mbit/s), and 10G Ethernet (10Gbit/s). PROFIBUS is an international, open, … Read more
1. Classification of Industrial Robots 1. According to the form of operating coordinates, they can be divided into: (1) Cartesian Industrial Robots The motion part consists of three mutually perpendicular linear movements (i.e., PPP), and its working space shape is rectangular. The movement distance in each axis can be read directly on each coordinate axis, … Read more
The control systems of the 21st century will be a combination of networking and control.The study of Networked Control Systems (NCS) has become one of the cutting-edge topics in the field of automation.Communication networks embedded as a link in control systems have greatly enriched industrial control technologies and methods, causing significant changes in the system … Read more