Click the blue text to follow! Old Li Talks Technology: Things About PLC Ladder Diagram Programming Little Wang, last Friday our workshop’s packaging line suddenly stopped, it was urgent, and the production manager was stamping his feet beside me. I looked at the system alarm, and it was the photoelectric switch on the conveyor belt … Read more
The connection method for the barcode scanner and Mitsubishi Q series PLC using RS-232C communication (without protocol) will be illustrated as an example. 1 Devices Used 2 Connection Method 3 Configuration of Keyence Barcode Reader 4 Configuration of Mitsubishi Electric PLC Q Series 5 Creating and Transmitting Ladder Diagram Program 6 Execution of Ladder Diagram Program and Monitoring of … Read more
Click the blue text Follow us Sometimes we follow too many public accounts and miss some of the messages we like, unable to see the updates from the Industrial Control Forum in time. We can star or pin the public account. How to star and pin? 【Open an article from the Industrial Control Forum public … Read more
The “Electrical and Electronic Bestsellers Series: Illustrated Guide to CNC Electrical Knowledge” focuses on CNC machine tools. It introduces the generality of CNC machine tools and uses the Siemens 802 series (economical CNC) and 810D/840D (mid-to-high-end CNC) as the main products to comprehensively present practical applications from CNC control devices, PLC programming, spindle and feed … Read more
The safety issues in industrial control systems should not be underestimated. In my over ten years of maintenance experience with industrial control systems, I have found that many factory PLC programs have security vulnerabilities. These seemingly minor flaws can lead to equipment damage, production interruptions, and even safety accidents. Today, I will share common logic … Read more
Industrial Control Systems (ICS) are automation control systems used in industrial production, manufacturing processes, and facility management, designed to achieve real-time monitoring, control, and optimization of production processes.ICS are core components for achieving automation, improving production efficiency, ensuring safety, and reducing manual intervention. They are widely used in industries such as oil, chemicals, electricity, metallurgy, … Read more
PLC File Management: Engineering Archiving Standards to Avoid Version Confusion! Introduction Hello everyone! Today I want to talk about a seemingly ordinary but extremely important topic — PLC Engineering File Management.<span>"Isn't it just storing a file? What's so difficult about it?"</span> I believe many engineers have thought this way, but reality can often be harsh: … Read more
Introduction Hello everyone! Today, I want to share with you a seemingly simple yet extremely important topic — the standardized management of PLC program modification records. Don’t underestimate this “documentation work”; it can improve your version management efficiency by over 50%! Imagine this scenario: a sudden fault occurs on the production line, and you find … Read more
PLC System Integration: Building an Industrial Interconnection Platform to Enhance Ecological Collaboration by 1000%! Introduction Hello everyone! Today I want to share an exciting topic that has the entire manufacturing industry buzzing—PLC System Integration and Industrial Interconnection Platforms.<span>Don't be intimidated by this technical term; I will explain it in the most relatable way possible</span>. Imagine … Read more
Click the blue text to follow us Hello everyone, I am “Sister Fang”. Today we will discuss a very cool topic: the integration of PLC and DeepSeek for automated control of drones. Doesn’t it sound a bit sophisticated? Don’t worry, Sister Fang will use the simplest language and the most common metaphors to help everyone … Read more