Hello everyone, today we are going to learn a classic and practical PLC program – traffic light control. Although it seems simple, it contains a lot of basic PLC programming skills. Once you master this, you will be able to handle many similar sequential control tasks with ease. Working Principle of Traffic Lights Let’s first … Read more
PLC Control System Design: From Requirements to Implementation The key to success in industrial automation projects lies in the rationality of system design and the reliability of program implementation. An excellent PLC control system must not only meet current production needs but also consider future scalability and maintainability. This article will detail the design methods … Read more
Wireless Control I/O, Making PLC Smarter Using PLC for industrial control, if you want to remotely control I/O, a communication module is a great helper. Today, let’s discuss how to achieve remote I/O control through Siemens PLC and wireless modules, complete with code and practical experience, step by step. Project Idea The goal is clear: … Read more
In the field of industrial automation, the success of PLC (Programmable Logic Controller) projects directly relates to the operational efficiency and economic benefits of enterprises. With the continuous advancement of technology, risk management in PLC project deployment has become increasingly important. This article delves into how to effectively identify, assess, and control potential risks during … Read more
Hello everyone, I am Chen Yi. Today we will dive deep into the three major variable types in PLC: Digital Signals, Analog Signals, and Pulse Signals. These are the most fundamental and important types of signals in PLC control, and understanding them is crucial for mastering PLC programming. Let me help you thoroughly understand these … Read more
Want to make PLC programs easier to maintain? Is high code complexity leading to debugging difficulties? Need to improve code reusability? Let’s learn about structured and modular programming methods for PLC programs! 1. Program Structure Design 1. Basic Structure program_structure = { "主要组成": { "初始化模块": "系统启动初始化", "主控模块": "核心控制逻辑", "功能模块": "独立功能单元", "通信模块": "数据交互处理", "报警模块": "故障诊断处理" }, … Read more
Packaging Machine Control System: Complete Siemens PLC Programming Tutorial When creating a packaging machine control system, PLC programming is the core. Today, we will use Siemens PLC to clarify how to achieve automation control for packaging machines, the problems we might encounter during the process, and how to optimize them. 1. Project Requirements and Challenges … Read more
Modbus RTU Communication: How to Write for PLCs and Easily Connect Device Data Implementing Modbus RTU communication with Siemens PLCs to achieve data exchange among multiple devices, applicable in industrial sites. Today, I will guide you step by step! Project Requirements and Functionality Description The main requirements of this project are: Enable data communication between … Read more
Workshop Exhaust System Automation: PLC Implementation for Air Circulation The workshop exhaust system is controlled by PLC, which automatically detects air quality and intelligently starts and stops the exhaust fan, ensuring a worry-free workshop environment! Today, we will tackle this project. Project Requirements and Functionality Description The main requirements for this project are: To achieve … Read more
Remotely control PLC with a GPRS module, view and operate devices anytime and anywhere, enhancing operational efficiency on industrial sites. Today, we will tackle this practical project! Project Requirements and Functionality Description The core functionality of this project is: Remote control of PLC via the GPRS module, such as starting/stopping devices, modifying parameters, and viewing … Read more