I really can’t stand those newcomers in the industry who ask the most ridiculous questions every day. Just yesterday, a guy came to me with a textbook asking why his ladder diagram program wasn’t working. When I opened it, it was a mess of logical relationships, and he couldn’t even distinguish between normally open and … Read more
PLC Data Conversion: Data Format Conversion Technology to Solve Heterogeneous System Interaction Issues! Introduction Hello everyone! Today we are going to talk about a magical technology that allows different brands of PLCs to “shake hands”—data format conversion! In factory automation, have you ever encountered the awkward situation where Siemens PLC and Rockwell PLC “speak different … Read more
Click the blue text for more exciting information Having worked in this field for 15 years, today let’s talk about the PID controllers in PLCs that many find confusing. Many beginners get a headache just hearing about PID, and to be honest, many veterans also struggle to understand it. This thing looks simple, but using … Read more
After two hours of on-site rush, I found that the PLC program just wouldn’t download! This was a common predicament I faced when I first started in the industry. If you are about to get into PLCs, make sure to get the “environment setup” right to avoid unnecessary detours. Today, let’s discuss the configuration and … Read more
It’s unbelievable, I see someone asking about PLC address allocation again. It’s already 2024, and people are still struggling with this issue, which is a common problem for field electricians. What is there to discuss? Alright, for the sake of all the newcomers, I will talk about it today to save you from stepping into … Read more
PLC Power-Up Sequence: Correct Power-Up Steps to Avoid Initialization Errors! 🔥 The Fatal Consequences of Improper Power-Up You May Have Overlooked! Does your PLC device occasionally malfunction during power-up? Is the program running abnormally? Does it even cause the entire production line to stop? Stop Ignoring These Small Issues! Today, I will reveal a correct … Read more
After observing the discussions about bit operations in the group over the past few days, it’s hard to express my feelings! Some of the bit operation codes written by people made my eyes hurt. If the fundamentals of these bit operations are not solid, you could end up in serious trouble on-site! Not to mention … Read more
PLC Communication Compensation: Time Compensation Algorithm to Eliminate Transmission Delay Impact! 🔥 The Invisible Killer of Communication Delays: Is Your PLC System Affected? Is your PLC system facing data synchronization issues when multiple devices are collaborating? Communication between devices always has delays, leading to misalignment and reduced accuracy. These problems may have silently consumed your … Read more
3. Processing Axis SignalsIn the CMVM PLC program, there are multiple corresponding FB blocks for the machine tool axes, but these FB blocks are actually a single FB block with different names.OB1 calls FB130, which in turn calls the FB block that processes each axis signal, along with FB139 (which handles the axis selection keys … 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