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
Siemens 200smart Modbus RTU Communication Example Communication Materials: 1) Two PLCs, namely the 200smart CR60 and SR20; 2) Two DP connectors (6ES7972-0BX12-0XA0) 3) Several connecting wires (for PLC power and communication) Verification Content: Set: CR60 PLC as the master station, sending the PLC system clock (8 bytes of information) to the SR20 slave station; the … Read more
Click on the top “Technical Training“, and select “Pin Public Account” 130,000+ industrial control professionals follow this WeChat platform: Technical sharing, learning exchange, industrial control videos To make the display on our touch screen more intuitive, we usually need to implement some animation functions on the touch screen. There are two common types of animation … Read more
Click the image below to enter the industrial control industry platform The control of the PLC itself is completed by changing the state of control registers D, input ports X, soft relay states M, and time relay states T. Therefore, as long as you can modify the states of these variables, you can control the … Read more