Search on WeChat Tech Training A complete PLC program is not just about getting the system to run; it also requires comprehensive comments, excellent architecture, good scalability, a complete alarm protection system, and a simulation system before operation. Today, I will share several PLC examples for reference! 1. PLC Example – Traffic Light 1. Traffic … Read more
Search on WeChat Technical Training 1. Bidirectional Movement of the Cart Use S7-200 to achieve automatic control of the cart’s bidirectional movement. The control process involves pressing the start button, causing the cart to move from left to right (or right to left). When it reaches the right (or left) limit switch, the cart automatically … Read more
1. What is PLC? PLC is an intelligent controller, full name is Programmable Logic Controller. The definition of PLC is: an electronic system designed for digital operation, specifically for use in industrial environments. It uses a type of programmable memory for internal storage of programs, executing logical operations, sequential control, timing, counting, and arithmetic operations, … Read more
Working Principle of PLC PLC Concept (Basic Composition, Working Principle) PLC Data Types & Addressing Methods (It is important to distinguish this, PLC storage size (bit, byte, word, double word BIT BYTE WORD DWORD), types of storage (Siemens DIDQAIAQMSMVLTCHTHC area; Mitsubishi XYMDTCRVZ area), Data Types (INT16 DINT32 REAL STRING WORD16 DWORD32 BOOL TIME DATE CHAR8 … Read more
Anyone engaged in electrical work knows that the automation control of industrial production and technological development relies on PLCs. PLC can be broadly understood as: a centralized relay extension control cabinet. In actual production applications, PLCs greatly save the costs of industrial control and enhance the centralized management and automatic control of equipment. To learn … Read more
Programmable Logic Controller (PLC) is undoubtedly the core device of modern industrial automation. PLC achieves precise control over various mechanical devices or production processes by storing and executing logical operations, sequential control, timing, counting, and arithmetic operations. ▲CRT Motion Controller 1.Overview and Structure of PLC PLC is an electronic system device designed specifically for digital … Read more
1. Definition and Classification of PLC PLC is a new generation of general industrial control devices based on microprocessor technology, integrating computer technology, automatic control technology, and communication technology. It uses “natural language” programming aimed at control processes, making it suitable for industrial environments, easy to understand, user-friendly, and highly reliable. PLC is developed based … Read more
First of all, Huawei’s new smart home system, which uses PLC (Power Line Communication) technology chips, is primarily aimed at the real estate market focusing on finished delivery, although wealthy individuals can also experience it if they wish. In short, this product is fundamentally different from “Mijia”. Don’t complain about the high price of the … Read more
WeChat Search Skill Training When electrical workers use PLCs, they will encounter many communication protocols and communication interfaces. Do you understand the most basic PLC serial communication and basic communication interfaces? 01 What is Serial Communication? Serial communication is a very common device communication protocol on computers (do not confuse it with Universal Serial Bus … Read more
[Disclaimer] The images and text are sourced from the internet. If there is an infringement, please contact us for removal! Serial communication is a commonly used communication method in PLC networks. Choosing the correct interface type and protocol standard is crucial for ensuring communication reliability. The RS-232 interface complies with the serial data communication interface … Read more