1. Protocol Reverse Engineering Record (Wireshark Capture Code) # Wireshark filter rule (key fields marked in red)tcp.port == 102 && cotp && s7comm /* Typical handshake message structure 0000 03 00 00 16 11 e0 [TSAP:0x0100] [TSAP:0x0101] 00 00 00 01 00 c0 01 0a |_________| |___| |_____________| |_____________| |_TPKT_| |_COTP_| |S7C| */ #pragma pack(1) … Read more
Follow our public account, click the top right corner of the public account homepage “ · · · ” to set a star mark and get real-time updates on the latest information Source: PLC Enthusiast Today, we will explain the three methods for PLC control of servo motors: 1. Torque Control 2. Position Control 3. … Read more
How to Perfectly Combine Siemens PLC with Real-Time Database? Unveiling the Core Technology of High-Speed Data Processing to Support Industrial Big Data Applications! Hello everyone, I am Hanhan! Today we will discuss the “super combination” in the industrial field— the perfect combination of Siemens PLC and real-time databases. This duo is like the “Superhero Alliance” … Read more
Introduction In today’s rapidly developing manufacturing industry, smart factories have become a key direction for industry transformation and upgrading. Mitsubishi’s programmable logic controllers (PLCs) play a core role as important devices in the field of industrial automation. The rise of Internet of Things (IoT) technology brings new ideas and possibilities for industrial production. The deep … Read more
Click on the blue text to follow us [PLC Fault Diagnosis] How to Quickly Troubleshoot Common Faults of Siemens S7-1200? 10 Practical Tips to Make You an Expert in Fault Diagnosis! The Siemens S7-1200 PLC is known for its stability and rich functionality, but even the best equipment can experience faults. This article shares 10 … Read more
Hello everyone! I am your old friend, Wang, a seasoned author of microcontroller/PLC tutorials! Today we will embark on the journey of PLC programming together! Don’t worry, I will guide you through the basics of electrical work to become a PLC programming expert in the most down-to-earth way! Just think about it, you will be … Read more
Future Trends of PLC: The Integration of Siemens PLC and AI Hello everyone, I’m Hanhan. Today, let’s discuss a hot topic: the combination of Siemens PLC and artificial intelligence. This is not some far-fetched sci-fi concept, but a new trend that is quietly changing our factory automation. Let’s take a look at what benefits this … Read more
1. Communication Protocol Mismatch The communication between the PLC and the host computer requires the use of the same communication protocol. If the protocols do not match, the PLC will be unable to accept commands from the host. It is essential to ensure that the communication protocols are consistent and correctly configured. 2. Incorrect Communication … Read more
In the era of Industry 4.0, predictive maintenance of equipment has become an important development direction for the manufacturing industry. I remember when I implemented an equipment management project at a large steel plant last year, the client proposed a seemingly impossible requirement: to use the existing S7-1500 PLC to implement a simple AI algorithm … Read more
Hello, electronic enthusiasts and automation beginners! Today, we won’t talk in abstract terms; let’s get hands-on with PLC! Don’t be intimidated by the name; actually, PLC (Programmable Logic Controller) is simply a “high-level electric control switch”. However, it is much more complex than the light switch at home and can do many more things. In … Read more