Huabei Industrial Control

Introduction to Industrial Control System Cybersecurity

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Introduction to Industrial Control System Cybersecurity

Grade protection is an important policy for national information security construction, which focuses on constructing, managing, and supervising information systems according to their grade and standards. For industrial control security construction, it should center around moderate security and prioritize key protection, focusing on important business systems from a business perspective. The following principles should be … Read more

Core Technologies of Industrial Control Systems: Real-Time Data Processing and Task Scheduling Mechanism of Mitsubishi PLC

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Core Technologies of Industrial Control Systems: Real-Time Data Processing and Task Scheduling Mechanism of Mitsubishi PLC

Today, let’s talk about the real-time data processing and task scheduling mechanism in Mitsubishi PLCs. These two concepts sound impressive, but they essentially refer to how PLCs can timely process data and arrange various tasks. This is crucial for industrial automation! Real-Time Data Processing: PLC’s “Sixth Sense” Basic Concept Real-time data processing simply means that … Read more

Three Major Industrial Control Systems: Divergent or Common Origin?

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Three Major Industrial Control Systems: Divergent or Common Origin?

With the rapid development of industrial technology, distributed control systems and fieldbus control systems have emerged one after another. In some industries, some people believe that FCS is developed from PLC, while others believe that FCS is developed from DCS. There is a close connection between FCS, PLC, and DCS, yet there are essential differences. … Read more

Comprehensive Guide to PLC Function Blocks: Master in One Week

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Comprehensive Guide to PLC Function Blocks: Master in One Week

As a veteran in industrial control with over ten years of experience, I often see many beginners struggling to understand function blocks in PLC programming. Today, I will systematically walk you through the most commonly used function blocks in PLCs. Mastering these basic function blocks will enable you to handle about 80% of industrial control … Read more

Understanding RS232, RS422, and RS485 Serial Communication Standards

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Understanding RS232, RS422, and RS485 Serial Communication Standards

The most comprehensive free industrial control software is here! Want to engage with me? (Click the red text above to get the materials for free) RS-232, RS-422, and RS-485 are serial data interface standards. RS-232 is the most widely used serial interface for PCs. It is defined as a single-ended standard for increasing communication distance … Read more

Smod – Modbus/SCADA Industrial Control Security Testing Tool

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Smod - Modbus/SCADA Industrial Control Security Testing Tool

Project Address https://github.com/enddo/smod Project Introduction Based on SCADA (Supervisory Control and Data Acquisition) systems, proprietary closed network protocols have developed towards open-source solutions and TCP/IP network protocols in recent years. This makes them vulnerable to the same security flaws as traditional computer networks. The Modbus/TCP protocol is one such solution that provides free public utility … Read more

Communicating with Weighing Instruments via MODBUS with S7-200 SMART

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Communicating with Weighing Instruments via MODBUS with S7-200 SMART

Click↑↑Technical Training, follow and pin it to subscribe for free long-term 200,000+ industrial control personnel follow this WeChat platform: technical sharing, learning exchange, industrial control videos First, let’s introduce our hardware preparation 1 A weighing instrument that supports Modbus protocol Weighing instrument that supports Modbus protocol 2 Set up the communication parameters of the instrument … Read more

Application and Programming of MODBUS Protocol in PLC Communication

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Application and Programming of MODBUS Protocol in PLC Communication

Click the ” Technical Training ” above and select “Pin to Top Public Account“ 160,000+ industrial control professionals follow this WeChat platform: Technical sharing, learning exchange, industrial control videos Description: Now I will explain the application of MODBUS. Currently, most communication between the upper and lower machines in industrial control uses the MODBUS communication protocol, … Read more

Classification of Information Security Threats in Industrial Control Systems

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Classification of Information Security Threats in Industrial Control Systems

Click on the above “China Information Security” to subscribe ■ China Information Security Evaluation Center / Gao Yang, Zheng Dongji Due to the globally interconnected nature of cyberspace, various cybercrimes targeting individuals and enterprises have surged in recent years, and critical national industrial infrastructure is also facing real threats from hacker organizations, terrorist forces, and … Read more

What Are the Essential Differences Between PLC and Microcontrollers?

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What Are the Essential Differences Between PLC and Microcontrollers?

Search on WeChat Technical Training Can Microcontrollers Replace PLCs? Microcontrollers cannot completely replace PLCs. Although microcontrollers can achieve similar functions through programming, they are relatively less reliable and stable compared to PLCs. PLCs are widely used in industrial control and automation due to their good programmability, real-time performance, and stability. PLCs have the following advantages … Read more