Click the blue text to follow! Old Li Talks Technology: The Essentials of PLC Programming 1 Starting from an Emergency Repair Last night, the packaging line in Workshop 2 suddenly stopped, and the manager was extremely anxious. Xiao Wang called me: “Old Li, come quickly, the machine won’t move!” When I arrived on site, I … Read more
Choosing PLC Cables: Enhancing Signal Transmission Cable Technology and Interference Resistance! Introduction **Hello everyone!** Today we are going to discuss a seemingly ordinary but extremely important topic—the selection of PLC signal transmission cables.Don’t underestimate this cable, it is the “lifeline” for the stable operation of PLC systems! **Did you know?** In industrial sites, over 30% … Read more
Click the blue text to follow us Hello everyone, I am your old friend— Sister Fang , a senior author focused on PLC programming and industrial automation teaching! Today, let’s talk about a particularly “high-end” topic: The application scenarios of PLC combined with artificial intelligence technology DeepSeek in the chemical industry . Don’t worry, Sister … Read more
1 Introduction PLCs have many instructions, but in actual projects, you may only use about 60% of them, or even less. The key to learning PLCs is not just to learn these instructions, but to understand how to use them to design control programs and debug projects. Many beginners learn a lot of instructions when … Read more
Hello everyone, I am Fang Sister! Today, let’s talk about a very interesting topic: The application of PLC and artificial intelligence technology DeepSeek in port automation. Doesn’t it sound a bit sophisticated? Don’t worry, Fang Sister will use simple and easy-to-understand language to guide you step by step to understand how this technology helps ports … Read more
Click the blue text to follow! Old Li Talks Technology: The Matters of PLC Robot Control Remote Monitoring 1 An Unexpected Inspiration Last week, the robotic arm on the assembly line suddenly stopped working, paralyzing the entire production line. The production manager was frantic, and the young engineers in the technical department couldn’t find the … Read more
Optimizing PLC Protocol: Setting Communication Timeout Parameters to Enhance Adaptability in Harsh Environments! Introduction Dear automation engineers, today I want to share a particularly practical technique for harsh industrial environments — optimizing PLC communication timeout parameters! I believe many of you have encountered this issue: in factories with severe electromagnetic interference and aging lines, PLC … Read more
Cost Reduction Techniques for PLC Energy Management System Programming I received a call for help from an old client yesterday. Their factory’s energy management system costs are too high, and they hope I can help optimize it. In fact, I have encountered this issue many times. Most factories tend to choose mature solutions when implementing … Read more
Click the blue text to follow us! Hello everyone, I am Sister Fang! Today, let’s talk about a common and very interesting topic in industrial automation— the combination and application of PLC and artificial intelligence (AI) technology DeepSeek in automated packaging systems . If you are a beginner in industrial automation or are curious about … Read more
Comparison of PLC Protocols: Analyzing the Pros and Cons of Mainstream Communication Protocols for Rational Selection of the Best Solution! Introduction Hello everyone! Today we are going to discuss a topic that automation engineers both love and hate — the selection of PLC communication protocols.<span>"Why is my device always experiencing communication instability?"</span> and <span>"Which protocol … Read more