Year: 2025

Architectural Design: How to Plan Siemens PLC Program Structure? A Three-Tier Architecture for Clear and Maintainable Code!

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Architectural Design: How to Plan Siemens PLC Program Structure? A Three-Tier Architecture for Clear and Maintainable Code!

Architectural Design: How to Plan Siemens PLC Program Structure? A Three-Tier Architecture for Clear and Maintainable Code! Hello everyone! In my years of experience in automation projects, I have found that many engineers write PLC programs like a “running account”—writing a segment for each requirement and adding a block for each new device. As a … Read more

A Step-by-Step Guide to Implementing Motor Sequential Start/Stop Circuits in PLCs: A Must-Read for Beginners

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A Step-by-Step Guide to Implementing Motor Sequential Start/Stop Circuits in PLCs: A Must-Read for Beginners

Today, we will discuss the story of converting a motor sequential start/stop circuit into a PLC ladder diagram, suitable for those who want to get started with PLCs. The requirement is that you must first be able to understand the circuit diagram, and then we will proceed. Here is the sequential start/stop circuit diagram: Traditional … Read more

Understanding PLC Logic Operations from 0 to 1: A Single Trick to Enhance Your Program Logic Tenfold!

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Understanding PLC Logic Operations from 0 to 1: A Single Trick to Enhance Your Program Logic Tenfold!

[Core Knowledge] Understanding PLC Logic Operations from 0 to 1: A Single Trick to Enhance Your Program Logic Tenfold! Do you remember the first time I faced that “mysterious” control cabinet on the factory production line? That was 15 years ago, right after I graduated from school, staring at the complex wiring and that little … Read more

PLC Programming in the Automotive Industry: The Quality Management System Behind the Prohibition of M/T

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PLC Programming in the Automotive Industry: The Quality Management System Behind the Prohibition of M/T

PLC Programming in the Automotive Industry: The Quality Management System Behind the Prohibition of M/T The automation systems on automotive manufacturing production lines have extremely high reliability requirements; a small programming error can lead to the entire production line shutting down, resulting in significant economic losses. A common guideline in automotive industry PLC programming standards … Read more

Summary of PLC, Electric Actuator, and Positioner Issues

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Summary of PLC, Electric Actuator, and Positioner Issues

PLC Simple methods for modifying and debugging PLC programs 6 comprehensive causes of PLC failures, easily resolved! Animated working principles of classic PLCs and sensors 7 methods to quickly resolve PLC failure issues PLC | S7-200 smart program viewing and writing Simple methods for modifying and debugging Siemens PLC programs Allen-Bradley (AB) PLC program detection … Read more

Digital Twin Technology Integration with Siemens PLC for Intelligent Manufacturing

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Digital Twin Technology Integration with Siemens PLC for Intelligent Manufacturing

Digital Twin Technology Integration with Siemens PLC for Intelligent Manufacturing Hello everyone, I am Yang. Today, I want to discuss a hot topic in modern industrial automation – the application of digital twin technology in PLC control systems. In simple terms, a digital twin acts like a “virtual twin” of the production line, allowing us … Read more

Comparison of PLC Instructions from Siemens, Mitsubishi, Omron, and Rockwell: A Quick Guide for Cross-Platform Applications!

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Comparison of PLC Instructions from Siemens, Mitsubishi, Omron, and Rockwell: A Quick Guide for Cross-Platform Applications!

From “Dialects” to “Common Language”: The Translation Code Between PLC Brands Do you remember the awkward moment when I first switched from a Siemens project to a Mitsubishi project? Standing in front of the control cabinet, holding the program list, my mind was filled with the S7-300 instruction format, yet I had to understand the … Read more

How to Smoothly Upgrade Siemens PLC Systems? Upgrade Strategies to Minimize Downtime!

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How to Smoothly Upgrade Siemens PLC Systems? Upgrade Strategies to Minimize Downtime!

How to Smoothly Upgrade Siemens PLC Systems? Upgrade Strategies to Minimize Downtime! Hello everyone! Today, let’s discuss an unavoidable topic in factories—PLC system upgrades. Every time the topic of ‘upgrading the PLC system’ comes up, the boss frowns, and when ‘production stoppage’ is mentioned, the finance team gets a headache. However, with the right methods, … Read more

What Are the Differences Between CNC and PLC?

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What Are the Differences Between CNC and PLC?

The differences between CNC and PLC can be seen as a competition for the “strongest brain” in the automation era. On the assembly line of smart factories, CNC machines are carving metal parts with a precision of 0.001mm, while the PLC system coordinates the operation of robotic arms, conveyor belts, and inspection instruments in real-time. … Read more

Beginner’s Guide to PLC: Mastering the Basics and Techniques of Ladder Diagram Programming

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Beginner's Guide to PLC: Mastering the Basics and Techniques of Ladder Diagram Programming

For beginners in PLC (Programmable Logic Controller), mastering a programming language is a crucial step into the field of automation control programming. Among the various PLC programming languages, Ladder Diagram (LD) is one of the most commonly used due to its intuitive nature and high similarity to relay control circuit diagrams. This article aims to … Read more