In-Depth Explanation of Modbus Communication: A Case Study of S7-200 SMART and Energy Meter Integration

In-Depth Explanation of Modbus Communication: A Case Study of S7-200 SMART and Energy Meter Integration

Introduction: The “Telephone System” of Industrial Energy Meters Imagine hundreds of energy meters in a factory like silent soldiers, and you have no way of knowing their real-time data—this information black hole is something every engineer has experienced. Today, we will reveal in simple terms how to build an “industrial telephone system” using the S7-200 … Read more

Practical Value of Siemens Industrial Automation Solutions

Practical Value of Siemens Industrial Automation Solutions

【Practical Application First】 The proficient application of Siemens SIMATIC series PLCs relies on continuous project training. It is recommended that engineers start with the S7-1200 entry-level PLC and practice ladder diagram programming simulations using the TIA Portal software. In automotive welding workshop projects, one can attempt to build a basic conveyor control system, gradually expanding … Read more

Integration of PLC and Industrial Robots: Automation Solutions for Assembly Lines

Integration of PLC and Industrial Robots: Automation Solutions for Assembly Lines

Integration of PLC and Industrial Robots: Automation Solutions for Assembly Lines In modern industrial automation production, the integration of PLC (Programmable Logic Controller) and industrial robots has become an important means to enhance production efficiency and quality. Today, we will introduce how to utilize PLC and industrial robots to achieve automated control of assembly lines … Read more

Industrial IoT Gateway Application: Practical Implementation of PLC Data Uploading to Alibaba Cloud

Industrial IoT Gateway Application: Practical Implementation of PLC Data Uploading to Alibaba Cloud

Industrial IoT Gateway Application: Practical Implementation of PLC Data Uploading to Alibaba Cloud Today, we will discuss how to use a smart gateway to transmit PLC data from the factory to the Alibaba Cloud platform. This solution is particularly suitable for small and medium-sized enterprises that require remote monitoring of equipment status, saving a significant … Read more

Sifang’s Autonomous and Controllable Industrial Control System Achieves New Success

Sifang's Autonomous and Controllable Industrial Control System Achieves New Success

Recently, Sifang Co., Ltd. won multiple bids for autonomous and controllable industrial intelligent control system projects—— Hubei Xinjie Hydropower Station PLC monitoring system, Xinjiang Momok Water Conservancy Hub PLC monitoring system, Zhejiang Cixi Hydrogen Energy PLC control system, Hebei Zhitu and Derun New Energy phase-shifting DCS, Beijing Panggezhuang heating gas boiler DCS, and Liaoning Jiagelong … Read more

PLC Ladder Diagram and HMI Interaction Design Methods

PLC Ladder Diagram and HMI Interaction Design Methods

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

Design Principles and Reusability Strategies for Converters in PLCs

Design Principles and Reusability Strategies for Converters in PLCs

Click the blue text to follow! PLC Old Li Talks Technology: What’s So Difficult About PLCs? Discussing Those Pitfalls from a Practical Perspective Last week, Xiao Zhang rushed over to me, saying: “Old Li, the production line 3 has stopped again, the system is alarming, and I’ve been looking at it for a long time … Read more

PLC Data Consistency: Transaction Processing Mechanism to Ensure Operational Atomicity!

PLC Data Consistency: Transaction Processing Mechanism to Ensure Operational Atomicity!

PLC Data Consistency: Transaction Processing Mechanism to Ensure Operational Atomicity! Introduction Hello everyone! Today we are going to discuss a crucial yet often overlooked topic in industrial automation — PLC data consistency. Imagine, when your production line is executing a critical operation, and suddenly there is a power outage, what happens to the data?Don’t worry! … Read more

PLC Data Types and HMI Interaction Design Methods

PLC Data Types and HMI Interaction Design Methods

Click the blue text for more exciting information Having been in this industry for over a decade, I must say, I get really frustrated when I see new electrical engineers designing PLC systems. Especially when it comes to data types, many have no concept at all, just copying a few lines of code from the … Read more

PLC Data Mapping: Memory Mapping Configuration Techniques for Efficient Communication Data Processing!

PLC Data Mapping: Memory Mapping Configuration Techniques for Efficient Communication Data Processing!

PLC Data Mapping: Memory Mapping Configuration Techniques for Efficient Communication Data Processing! Introduction **Hello everyone!** Today, I want to share a secret that can significantly boost the efficiency of PLC communication—memory mapping configuration techniques. Don’t be intimidated by this technical term, I will explain this powerful feature in the simplest way possible. **Mastering this method … Read more