The most comprehensive free industrial control software is here! Want to engage with me? (Click the red text above to get the materials for free) RS-232, RS-422, and RS-485 are serial data interface standards. RS-232 is the most widely used serial interface for PCs. It is defined as a single-ended standard for increasing communication distance … Read more
Project Address https://github.com/enddo/smod Project Introduction Based on SCADA (Supervisory Control and Data Acquisition) systems, proprietary closed network protocols have developed towards open-source solutions and TCP/IP network protocols in recent years. This makes them vulnerable to the same security flaws as traditional computer networks. The Modbus/TCP protocol is one such solution that provides free public utility … Read more
Click↑↑Technical Training, follow and pin it to subscribe for free long-term 200,000+ industrial control personnel follow this WeChat platform: technical sharing, learning exchange, industrial control videos First, let’s introduce our hardware preparation 1 A weighing instrument that supports Modbus protocol Weighing instrument that supports Modbus protocol 2 Set up the communication parameters of the instrument … Read more
Click the ” Technical Training ” above and select “Pin to Top Public Account“ 160,000+ industrial control professionals follow this WeChat platform: Technical sharing, learning exchange, industrial control videos Description: Now I will explain the application of MODBUS. Currently, most communication between the upper and lower machines in industrial control uses the MODBUS communication protocol, … Read more
Click on the above “China Information Security” to subscribe ■ China Information Security Evaluation Center / Gao Yang, Zheng Dongji Due to the globally interconnected nature of cyberspace, various cybercrimes targeting individuals and enterprises have surged in recent years, and critical national industrial infrastructure is also facing real threats from hacker organizations, terrorist forces, and … Read more
Search on WeChat Technical Training Can Microcontrollers Replace PLCs? Microcontrollers cannot completely replace PLCs. Although microcontrollers can achieve similar functions through programming, they are relatively less reliable and stable compared to PLCs. PLCs are widely used in industrial control and automation due to their good programmability, real-time performance, and stability. PLCs have the following advantages … Read more
With the advancement of Programmable Logic Controller (PLC) technology, there has been a leap from wiring logic to storage logic since its inception; its functions have progressed from weak to strong, achieving improvements from logic control to digital control; its application fields have expanded from small to large, crossing over from simple control of individual … Read more
When it comes to control systems, many people seem to speak with great confidence, but when delving deeper, they become speechless about the definitions of controllers, PLCs, DCS, and FCS. After a brief introduction to the basic concepts, it feels like the conversation misses the point. Today, let’s discuss what DCS is. First, we can … Read more
Search on WeChat Technical Training The RS485 bus has advantages such as simple structure, long communication distance, fast communication speed, and low cost. It is widely used in industrial communication, power monitoring, instrumentation, and other industries. Due to the harsh industrial control environment, there is more interference coupling in the communication lines, which affects the … Read more
Click the blue textFollow me! ☀The Jicheng WeChat platform has become an invaluable mentor for industrial control students. Follow Jicheng, and technical improvement is guaranteed! QQ consultation: 4001114100 Source: Jicheng Training Network (Teacher Liang Zhibin) ▏Siemens S7-200 Series 17 1.6.4 Network Wiring For RS485 networks such as PPI, MPI, and Profibus, it is recommended to use … Read more