Classic PLC Case Studies

Classic PLC Case Studies

1. Basic Knowledge of PLC A Programmable Logic Controller (PLC) is a digital computer control device specifically designed for industrial environments. It uses programmable memory to store instructions for executing logical operations, sequential control, timing, counting, and arithmetic operations, controlling various types of machinery or production processes through digital or analog input/output. 1.1 Working Principle … Read more

Combining Python and Excel: A Solution for Handling Millions of Data Rows

Combining Python and Excel: A Solution for Handling Millions of Data Rows

Combining Python and Excel: A Revolution in Handling Large Data Sets 📊 Are you still struggling with lagging when processing large Excel files? When faced with data exceeding a million rows, traditional Excel operations can often be frustrating. As an efficiency coach with 10 years of data analysis experience, today I want to share a … Read more

Automated Operations with Python: Chapter 6 Notes

Automated Operations with Python: Chapter 6 Notes

Chapter 6: Detailed Explanation of the System Batch Operation Manager Paramiko Paramiko is an SSH2 remote secure connection implemented in Python, supporting both authentication and key-based methods. It can perform remote command execution, file transfer, and intermediate SSH proxy functions. Compared to Pexpect, it has a higher level of encapsulation and is closer to the … Read more

Midnight Discussion: How Far Are We from the Internet of Things?

Midnight Discussion: How Far Are We from the Internet of Things?

This is a new column from the Negative Review team, currently in the early testing phase, and we hope everyone enjoys it. The program aims to discuss various topics weekly, inspire creativity, and develop intellect. After the last episode titled “Midnight Discussion: What PC sites do you still visit?”, we missed an episode due to … Read more

Robots as ‘Farmers’! This Future Farm is Truly Impressive

Robots as 'Farmers'! This Future Farm is Truly Impressive

The hope for agriculture lies in technology, and technological innovation is the core engine for the development of the vegetable industry. Hall 10 of the Vegetable Expo focuses on “Digital Agriculture”, showcasing the technological strength and innovative vitality of agriculture, becoming a benchmark for rural revitalization and agricultural modernization. Entering the “Digital Agriculture Pavilion” in … Read more

The Most Authentic 11 Companies in Humanoid Robotics (In-Depth Analysis)

The Most Authentic 11 Companies in Humanoid Robotics (In-Depth Analysis)

At the Shanghai Auto Show, which concluded on May 2, many companies showcased their humanoid robots applied in various fields, such as domestic services, education, facility inspections, and more. Gu Jie, CEO of Fourier, believes that future humanoid robots will not only have vision and hearing but may also possess tactile functions, although significant time … Read more

Analysis of the Top Ten Leading Stocks in the Robotics Industry

Analysis of the Top Ten Leading Stocks in the Robotics Industry

The investment mainline of the robotics industry can be deeply analyzed from two dimensions: the core links of the industrial chain and key enterprises in the industry. At the industrial chain level, the upstream core components are the key investment mainline. The servo systems, controllers, and reducers constitute the “heart,” “brain,” and “joints” of robots, … Read more

PLC: Low Ladder Diagram Programming Efficiency? Master These 5 Function Blocks to Double Your Development Speed!

PLC: Low Ladder Diagram Programming Efficiency? Master These 5 Function Blocks to Double Your Development Speed!

Hello everyone, I am Xiao Chen. Today, let’s discuss a common issue that many PLC beginners encounter: why does a large number of ladder diagrams make the program seem bloated and difficult to maintain?In fact, while ladder diagrams are intuitive, programming purely with basic instructions is indeed inefficient.Mastering Function Block programming can make your PLC … Read more

Intermediate PLC Programming: Mastering Finite State Machine Design for Complex Processes!

Intermediate PLC Programming: Mastering Finite State Machine Design for Complex Processes!

🔥 What Are the Limits of Traditional Logic Programming? The Magical Charm of Finite State Machines! Is your PLC program bloated due to complex process flows? Difficult to debug? Frequent failures? Is every upgrade like defusing a bomb? Today, I will reveal a programming tool known as Finite State Machine (FSM) that will help you … Read more

Upgrading PLC Automation Production Lines: Enhancing Production Efficiency!

Upgrading PLC Automation Production Lines: Enhancing Production Efficiency!

“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