Shocking the Industry! Optimizing PLC Scan Time for Incredible Efficiency Gains

Shocking the Industry! Optimizing PLC Scan Time for Incredible Efficiency Gains At three o’clock in the morning, I stood in front of a packaging production line, watching the flashing “Scan Timeout” alarm on the display, feeling heavier than the night outside. The client’s production manager paced back and forth beside me, asking every few minutes, … Read more

To the 30-Year-Old PLC Engineer in Confusion: Four High-Paying Career Transition Directions You Must Understand Before It’s Too Late!

To the 30-Year-Old PLC Engineer in Confusion: Four High-Paying Career Transition Directions You Must Understand Before It’s Too Late! Last night at 11 PM, I was debugging equipment in the control room of a chemical plant when my phone suddenly rang. It was a younger colleague I had mentored, his voice filled with anxiety: “Master, … Read more

A Comprehensive Guide to Siemens PLC Comparison Instructions: Understand It Instantly Even with No Background!

Attention industrial control beginners! Want to understand the comparison instructions of Siemens PLC? Don’t worry, this article covers everything from the basics to practical applications, using simple language and examples to help you grasp the concepts easily. After reading, you’ll be ready to dive into programming! 1. What are Comparison Instructions? Simply put, they are … Read more

Issues and Solutions for AGV and PLC Interaction

Introduction With the rapid development of smart manufacturing, Automated Guided Vehicles (AGVs) and Programmable Logic Controllers (PLCs) are increasingly applied in production lines. AGVs achieve automated control of the production process through interaction with PLCs, enhancing production efficiency and product quality. However, there are several issues in the interaction between AGVs and PLCs. This article … Read more

Analysis of Mitsubishi PLC MC Communication Protocol Messages

-Begin- Siemens, Mitsubishi, and Omron are the three most commonly used PLC brands in our automation industry. Today, I will share an analysis of the Mitsubishi PLC MC communication protocol.When learning the MC communication protocol, it is recommended to first master the Modbus communication protocol.The MC protocol of Mitsubishi PLC is a data communication protocol … Read more

The 5 Practical Functions of PLC Control Cabinets

Click the blue text to follow usThe PLC (Programmable Logic Controller) control cabinet is a component of modern industrial automation control systems, applied in various production equipment and processes. With its sensitivity and stability, the PLC control cabinet can achieve multiple functions. Let’s explore the 5 practical functions of PLC control cabinets together with Qifeng’s … Read more

How PLCs Command the Entire Factory Like a ‘Brain’ in Perfect Harmony

> Imagine this: At 3 AM in a beverage factory, the filling machines stand tall like swans, precisely injecting liquid into every bottle; robotic arms tighten caps with millimeter precision, as if performing a mechanical ballet; conveyor belts transform into a flowing dance floor, carrying bottled drinks to the packaging area—this seamless “dance” is orchestrated … Read more

Stop Wasting Time! Understand PLC and Inverter Communication in 5 Minutes

Free for commercial use! A low-code visual development platform for industrial web with over 1500 components. Bookmark this!!! Is this all about PLC communication? Modbus device debugging tool!!! Everything solved in half an hour. Modbus communication between PLC and inverter is a common requirement in industrial automation. Through the Modbus protocol, PLCs can exchange data … Read more

Understanding PLC Ladder Diagram Programming Principles in Seconds: A Smooth Path to Advanced Skills

Understanding PLC Ladder Diagram Programming Principles in Seconds: A Smooth Path to Advanced Skills It was a late night when the machines in the factory suddenly stopped. The production line supervisor hurriedly found me: “Xiao Wang, the packaging line 3 has stopped again, please take a look!” When I opened the control cabinet and stared … Read more

The Trend of Integrating PLCs with Cloud Platforms: A New Frontier in Automation

The Trend of Integrating PLCs with Cloud Platforms: A New Frontier in Automation I remember three years ago, I was still struggling with data collection issues on a packaging production line. That old Siemens S7-300 had been running for over a decade, and the data generated daily could only be stored locally. To view historical … Read more