Yesterday, a colleague called me in a panic, saying: “Wen, help! My PLC-based smart home system is completely down, and the owner is coming for acceptance in half an hour!” Hearing this familiar “fire-fighting” scenario made me smile. Ten years ago, I was in the same boat, where a small issue could drive me crazy … Read more
Integration of PLC in IoT Applications A few days ago, I received a message from a student, Xiao Wang. Their factory’s equipment is distributed across three different workshops, and every time a fault occurs, maintenance personnel have to run around to troubleshoot the issue. “Brother Wen, is there any way I can know the equipment … Read more
Optimizing Performance Design Patterns for Object-Oriented Programming in PLC Factory Informatization Yesterday, a new device arrived in the workshop, and Old Zhang complained, “This PLC program is too messy; changing one part affects the whole system!” This is not an isolated case. As the level of automation in factories increases, the traditional PLC ladder diagram … Read more
PLC Performance Optimization: Task Cycle Optimization for 30% Faster Real-Time Response! Introduction **Hey, automation engineers!** Today, I want to share a secret that can make your PLC “fly” — task cycle optimization. Don’t be intimidated by this technical term, I will explain it in the most relatable way. **Imagine what it would mean if your … Read more
Introduction Hello everyone! Today, I want to discuss a topic that excites and troubles many factory automation engineers — PLC multi-protocol compatibility technology.Don’t worry, I will explain this seemingly complex function in the simplest terms.Trust me, once you master this technology, your new and old devices can coexist harmoniously like “three generations of old, middle-aged, … Read more
PLC simulation software serves as a training ground for beginners, allowing you to experiment without the fear of damaging real equipment. PLCSIM Advanced V5.0 is Siemens’ latest virtual PLC environment, perfectly simulating the behavior of the S7-1500 series controllers. Compared to older versions, Siemens has added many practical features this time, such as multi-instance operation, … Read more
Click the blue text to follow! Application of PLCs in Smart Homes – Insights from an Experienced Electrician Two days ago, Engineer Zhang from my community approached me, saying that his “smart home” system was constantly malfunctioning, and the system he spent a lot of money on was less stable than a regular switch. Upon … Read more
Hello, automation friends! Recently, I received a call from the workshop saying that the robotic arm on the assembly line was moving out of sync and started to “dance” after running for an hour. I rushed over and found that it was a typical case of improper PLC motion control parameter settings! This is no … Read more
You won’t believe what I encountered this week! A well-established home appliance factory asked for my help to reduce energy consumption on their production line because their electricity costs were higher than the raw material costs. Upon inspection, I found that their equipment was running continuously even when not in production, just like someone leaving … Read more
Click the blue text to follow! Master Li Talks About PLC Function Blocks in Smart Homes A few days ago, Xiao Wang came to my house and was amazed to see that I could control the lights, curtains, and air conditioning with my phone, his jaw almost dropped. “Master, how much does this cost?” I … Read more