A very common phenomenon is that many smartphone manufacturers have started producing smartwatches. Brands like OPPO, Huawei, Samsung, Xiaomi, Apple, Nubia, and others have all launched smartwatches, making it seem like creating a smartwatch alongside smartphones has become a major trend in the mobile industry. It’s not surprising, as the shipment volume of smart wearable … Read more
“ OPPO is no longer just a mobile phone company; smartphones are merely a vehicle for OPPO to serve its users. In the future, not only OPPO but the entire industry will no longer have purely mobile phone companies.” If this statement came from a media commentary, some might think it is just a gimmick: … Read more
Click the blue text for more exciting information Once again, someone asked me about the safety of ladder diagrams, I really can’t believe it. Every time something goes wrong, they come to me only after the crisis has hit, if they had contacted me earlier, the workshop wouldn’t have had to stop production for three … Read more
Click the little blue text to follow! Yesterday, a friend working in industrial motor control complained that their production line frequently experiences inexplicable shutdown issues. Sometimes the motor suddenly reverses, and sometimes the safety door closes abnormally. After investigation, it was found that the problem lay in the state machine programming logic, where some boundary … Read more
Hello engineers and security experts! Today, let’s discuss the “ever-relevant” topic of industrial control system security, especially regarding PLCs, the “brain” of industrial control systems. If hackers target them, it could lead to significant trouble! Imagine a PLC as the “conductor” of a factory, controlling every aspect of the production line. If hackers gain control … Read more
Click the little blue text to follow! Last week, during a safety assessment at an automation factory, I witnessed their equipment experiencing an inexplicable shutdown. The manager looked worried and said, “This is the third time this month, and each shutdown costs us over a hundred thousand.” Where is the problem? After inspection, I found … Read more
★ Xi’an Jiaotong University Wang Xiangming ★ Xi’an Thermal Engineering Institute Liu Pengfei ★ Xi’an Jiaotong University Liu Yang, Liu Ting Abstract:With the advancement of digitalization and intelligent transformation of industrial control systems, the integration of information network technology and traditional physical control systems is deepening. In the context of frequent interactions among various businesses, … Read more
Click the little blue text to follow! A few days ago, a colleague who works with coding for inkjet printers came to me, saying that his device often “stalls”; sometimes the print head works normally, but at other times it suddenly stops and inexplicably enters cleaning mode. Seeing his worried expression, I guessed it right—this … Read more
The industrial waste gas treatment system is crucial for environmental compliance and safe production. This article details the control scheme based on Siemens PLC, assisting enterprises in meeting emission standards. Hardware Configuration Selection of PLC and Expansion ModulesFor the control requirements of the industrial waste gas treatment system, the Siemens S7-1200 series CPU 1214C is … Read more
Click the blue text to follow! Yesterday, a friend working on a packaging line complained that their control system frequently malfunctioned—sometimes the conveyor belt would suddenly stop, and sometimes the packaging would not execute in order. I asked him, “Have you used state machine programming?” He looked puzzled. Many beginners overlook this powerful tool, so … Read more