a开头 absolute 绝对位置 Absolute output 绝对最大输出 actuator 执行器/作动器 against 对比 allocate 分配 alter 改变/修改 ambient 环境周围 ambient operating temperature analog 模拟 analysis 分析 applicable 可用 assign 分配 b开头 back up battery 备用电池 barcode reader/ID 条形码阅读器 base unit 主基板 baud 波特 beforehand 事先 binary 二进制 buffer memory 缓冲存储器 bus 总线 c开头 case 外壳 characteristic 特征 check … Read more
“Old Production Lines Strike Back: PLC Transformation Reduces Downtime by 70%, Recouping Costs in Six Months!” Case 1: An electronics factory experienced a 4-hour production line shutdown due to aging PLC modules, resulting in a direct loss of 2 million in orders and 300,000 in labor costs. Case 2: A chemical plant faced a pump … Read more
The PLC control system, or Programmable Logic Controller, is a digital operation electronic device designed specifically for industrial production. It uses a type of programmable memory to internally store programs, execute logical operations, sequential control, timing, counting, and arithmetic operations based on user instructions, and controls various types of machinery or production processes through digital … Read more
In the global PLC (Programmable Logic Controller) market, giants such as Siemens, Mitsubishi Electric, Omron, Schneider Electric, and ABB have long held dominant positions. Among them, the market leader in 2023 is undoubtedly Siemens, which holds a commanding 40% market share and achieved a revenue of 77.8 billion euros, a year-on-year increase of 11%. Following … Read more
“PLC Sorting Black Technology: 5 Times Efficiency Strike! Say Goodbye to the ‘Busy Mode’ in Factories” Hello everyone! Today, let’s talk about a heart-wrenching topic—Is your factory’s sorting line still performing the ‘manual connect the dots’? Workers chasing parts, barcode scanners sparking, and monthly inventory never matching up? Don’t panic! Old Zhang will take you … Read more
“PLC Fault Prediction: AI Provides 72-Hour Early Warning, A Lifesaving Secret for Factories!” Hey, factory folks! Today, let’s talk about something serious—who hasn’t been scared out of their wits by an equipment failure alarm in the middle of the night? Last week, Old Wang called me, saying that the PLC at his factory suddenly went … Read more
Introduction In the era of Industry 4.0 and the Industrial Internet of Things (IIoT), seamless connectivity and real-time monitoring are crucial for efficient industrial processes. However, a common challenge in this field is the quick access to HMI visualization interfaces, especially when dealing with multiple PLCs scattered throughout a factory or during maintenance operations. Traditional … Read more
In PLC programming, we often encounter some professional English vocabulary, which can be very difficult for beginners to understand. This article summarizes some commonly used professional English vocabulary for PLCs and provides translations. 01Words starting with ‘a’ absolute absolute position Absolute output absolute maximum output actuator actuator against comparison allocate allocation alter change/modification ambient surrounding … Read more
PLC Communication Made Easy: A Shortcut to Mastering the Modbus Protocol Hello everyone, I am Lao Liu. With over twenty years of PLC programming experience, I can tell you that many beginners are most afraid of the communication part. Today, let’s talk about something practical—the Modbus protocol. It may seem complex, but it is essentially … Read more
“PLC High-Speed Counters: The Black Technology That Makes Equipment’s ‘Heartbeat’ Accurate to 0.1%!” 1️⃣ Single-phase Counter: The ‘Lone Ranger’ Expertise: A single signal line can handle simple counting scenarios. Pitfall: Weak anti-interference ability, prone to ‘going crazy’ under electromagnetic interference. 2️⃣ Dual-phase Counter: The ‘Dual Swordsman’ Expertise: Two signal lines distinguish forward and reverse rotation, … Read more