Click the blue text for more exciting information PLC Ladder Diagram Insights – Advice for Electrical Beginners To be honest, half of the people programming PLCs in factories today can only copy code from the manual. There are very few who truly understand how to write good ladder diagrams. I’ve been in this industry for … Read more
Click↑↑Technical Training, follow and pin it to subscribe for free long-term 180,000+Industrial control professionals follow this WeChat platform: Technical sharing, learning exchange, industrial control videos Introduction The principles of electrical circuit control and PLC control are interconnected. Naturally, electrical control can be more conveniently and efficiently interpreted through PLCs. So how is the electrical control … Read more
Click the blue text to follow! PLC Safety Control Matters: Insights from an Experienced Electrician Last month, the automated production line in Xiao Wang’s workshop suddenly crashed, and even the safety light curtain was unresponsive, almost leading to a personal injury incident. Later, the factory manager called me to check, and I found that the … Read more
Click on the above Electrical Engineering Learning to follow and star it. A professional self-media in the field of electrical engineering, don’t miss it. 1. Bit Logic Instructions (1) Contact and Coil Instructions Programming principles of PLC ladder diagram language: 1. The ladder diagram consists of multiple rungs, each coil can form a rung, and … Read more
1. Wiring according to the diagram is the highest principle. First, before wiring, one must carefully read the drawings and fully understand the designer’s intentions, rather than relying on personal so-called rich experience. If any unclear or contradictory points are found, one should immediately contact the designer for confirmation before proceeding with the wiring construction. … Read more
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
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
Click↑↑for technical training, follow and pin to subscribe for free long-term 180,000+ industrial control professionals follow this WeChat platform: technical sharing, learning exchange, industrial control videos This article presents commonly used examples for beginners in PLC programming control, serving as a reference to shorten the learning curve and enhance mastery of PLC. The knowledge points … Read more
Click the blue text for more exciting information I have been in the PLC industry for nearly 20 years, working on the front lines. To be honest, seeing those freshly graduated young people programming makes me laugh. They hold onto a pile of theories talking about control algorithms, yet they can’t even understand a simple … Read more
Most PLC programming consists of input contacts and output coils, which influence real-world outcomes through logical series/parallel combinations. —————————————————— Although each model of PLC seems to have its unique programming standards, there is indeed an international standard that most PLC manufacturers at least attempt to follow. This is the IEC 61131-3 standard, which will be … Read more