The International Electrotechnical Commission (IEC) standard IEC 61131-3 defines five main PLC programming languages, each suitable for different types of control tasks and program complexities. Below is a detailed analysis of how PLC multilingual programming adapts to complex programs. 1. The Five Programming Languages Defined by IEC 61131-3 1. Ladder Diagram (LD) • Characteristics: A … Read more
“PLC Multilingual Programming: Seamless Collaboration in International Projects, Boosting Development Efficiency by 50%!” An incident at a European automotive factory: The German team wrote control logic using ladder diagrams, while the Italian team modified the program using instruction lists. As a result, a language compatibility issue caused a 48-hour production line shutdown, leading to a … Read more
The editor has shared an article titled “Where Does the Greatest Sense of Achievement Come from as an Electrical Engineer?” which has garnered much attention from netizens. Today, we are sharing another article by Teacher Zhang, discussing the topic of “How to Learn PLC” in hopes that everyone can find inspiration from it. PLC is … 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