Year: 2025

Risk Assessment of State Machine Programming: A Safety Analysis Framework for Industrial Control Systems

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Risk Assessment of State Machine Programming: A Safety Analysis Framework for Industrial Control Systems

Click the little blue text to follow! Yesterday, a friend working in industrial motor control complained that their production line frequently experiences inexplicable shutdown issues. Sometimes the motor suddenly reverses, and sometimes the safety door closes abnormally. After investigation, it was found that the problem lay in the state machine programming logic, where some boundary … Read more

Siemens SPPA-T3000 Control System Exposes Critical Vulnerabilities, Leaving Global Power Plants at Risk!

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Siemens SPPA-T3000 Control System Exposes Critical Vulnerabilities, Leaving Global Power Plants at Risk!

Recently, Siemens announced that its industrial equipment, commonly used in petrochemical plants and large renewable energy power plants, has 54 security vulnerabilities. Among these, the most severe vulnerabilities can be exploited for denial-of-service (DoS) attacks or remote code execution on arbitrary servers, putting power plants at risk of failure and halting electricity generation. More alarmingly, … Read more

How Enterprises Can Understand the ‘Guidelines for Cybersecurity Protection of Industrial Control Systems’

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How Enterprises Can Understand the 'Guidelines for Cybersecurity Protection of Industrial Control Systems'

With the rapid development of information technology, industrial control systems are increasingly exposed to the internet environment, facing unprecedented security challenges. To enhance awareness of industrial information security risk prevention, in 2024, the Ministry of Industry and Information Technology issued the ‘Guidelines for Cybersecurity Protection of Industrial Control Systems’ (hereinafter referred to as the ‘Protection … Read more

Industrial Control System Security: Five Layers of Protection Strategies Against PLC Network Attacks

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Industrial Control System Security: Five Layers of Protection Strategies Against PLC Network Attacks

Hello engineers and security experts! Today, let’s discuss the “ever-relevant” topic of industrial control system security, especially regarding PLCs, the “brain” of industrial control systems. If hackers target them, it could lead to significant trouble! Imagine a PLC as the “conductor” of a factory, controlling every aspect of the production line. If hackers gain control … Read more

Sequential Function Chart Risk Assessment: A Safety Analysis Framework for Industrial Control Systems

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Sequential Function Chart Risk Assessment: A Safety Analysis Framework for Industrial Control Systems

Click the little blue text to follow! Last week, during a safety assessment at an automation factory, I witnessed their equipment experiencing an inexplicable shutdown. The manager looked worried and said, “This is the third time this month, and each shutdown costs us over a hundred thousand.” Where is the problem? After inspection, I found … Read more

Expert Insights on Physical Intrusion Threat Models and Protection Methods for Industrial Control Systems

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Expert Insights on Physical Intrusion Threat Models and Protection Methods for Industrial Control Systems

★ Xi’an Jiaotong University Wang Xiangming ★ Xi’an Thermal Engineering Institute Liu Pengfei ★ Xi’an Jiaotong University Liu Yang, Liu Ting Abstract:With the advancement of digitalization and intelligent transformation of industrial control systems, the integration of information network technology and traditional physical control systems is deepening. In the context of frequent interactions among various businesses, … Read more

State Machine Programming in Industrial Control Systems: Design Concepts and Implementation Strategies

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State Machine Programming in Industrial Control Systems: Design Concepts and Implementation Strategies

Click the little blue text to follow! A few days ago, a colleague who works with coding for inkjet printers came to me, saying that his device often “stalls”; sometimes the print head works normally, but at other times it suddenly stops and inexplicably enters cleaning mode. Seeing his worried expression, I guessed it right—this … Read more

Control Scheme for Industrial Waste Gas Treatment System

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Control Scheme for Industrial Waste Gas Treatment System

The industrial waste gas treatment system is crucial for environmental compliance and safe production. This article details the control scheme based on Siemens PLC, assisting enterprises in meeting emission standards. Hardware Configuration Selection of PLC and Expansion ModulesFor the control requirements of the industrial waste gas treatment system, the Siemens S7-1200 series CPU 1214C is … Read more

Mainstream Development Directions of Industrial Control Systems and the Significance and Value of APC Systems

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Mainstream Development Directions of Industrial Control Systems and the Significance and Value of APC Systems

Industrial software refers to software specifically designed for or primarily used in the industrial sector, aimed at improving the R&D, manufacturing, production management levels, and performance of industrial equipment. Industrial software is a programmatic encapsulation and reuse of industrial technology and knowledge, representing the pinnacle of industrialization. In practical industrial scenarios, such as metallurgy, petrochemicals, … Read more

State Machine Programming Development: Methodologies for Building Reliable Industrial Control Systems

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State Machine Programming Development: Methodologies for Building Reliable Industrial Control Systems

Click the blue text to follow! Yesterday, a friend working on a packaging line complained that their control system frequently malfunctioned—sometimes the conveyor belt would suddenly stop, and sometimes the packaging would not execute in order. I asked him, “Have you used state machine programming?” He looked puzzled. Many beginners overlook this powerful tool, so … Read more