PLC Program Errors? How I Solved 90% of Faults with This ‘Reverse Troubleshooting Method’ – A Request for Teaching from Peers!

PLC Program Errors? How I Solved 90% of Faults with This ‘Reverse Troubleshooting Method’ – A Request for Teaching from Peers! Every time I receive an emergency call late at night to handle a PLC fault on the production line, the pressure is something only those in maintenance can understand. A halted production line, with … Read more

PLC Data Storage Optimization: Efficient Methods for Managing Historical Data

“PLC Historical Data Management: Four Major Storage Optimization Techniques, Saving 70% of Storage Space!” SD Card: Suitable for small to medium-sized projects, low cost but limited capacity (recommended 64GB industrial-grade card). USB Storage: Plug and play, suitable for temporary backups (choose military-grade products with anti-magnetic and shock-resistant features). Industrial Hard Drive: High reliability, suitable for … Read more

Collaborative PLC Industrial Robots: Achieving Over 90% Automation Rate on Production Lines!

“Collaborative PLC + Industrial Robots: The Secret Weapon Behind a 99.99% Surge in Production Line Automation!” 1️⃣ Physical Layer: The Golden Triangle of Anti-Interference Wiring Twisted Pair + Metal Shielding Layer: Reduces signal interference by 90% Independent Grounding System: A factory lost 500,000 due to grounding errors; after switching to independent grounding, the failure rate … Read more

Optimizing PLC Intelligent Alarms: Practical Strategies to Reduce False Alarms and Missed Alarms

“Optimizing PLC Intelligent Alarms: A 90% Reduction in False Alarm Rate! 3 Strategies to Make Equipment ‘Speak the Truth’” Hello everyone! Today we are going to tackle the century-old headache for industrial control professionals — the PLC alarm system always crying ‘wolf’! The equipment is perfectly fine, yet the alarm light flashes more energetically than … Read more

PLC Equipment Fault Warning: An Intelligent System for Early Problem Prevention

PLC Equipment Fault Warning: An Intelligent System for Early Problem Prevention Relay Failure: A production line at an automotive factory was halted for 4 hours due to contactor oxidation, resulting in a direct loss of 1.2 million. Valve Sticking: A chemical plant’s reactor valve seized due to insufficient lubrication, causing high-temperature material leakage, with repair … Read more

How Can PLC Engineers Break Through the Income Ceiling?

Introduction As a core technical position, the career development path and income level of PLC engineers have always been hot topics in the industry. Many electrical engineers with over ten years of experience find that once their salary reaches the range of 20,000 to 30,000 yuan per month, they often encounter a career ceiling that … Read more

PLC: Essential for Smart Factories! A Guide to Configuring Siemens PLC Communication Modules (with Code)

In the field of industrial automation, communication is the “nervous system” connecting various control systems. The configuration of Siemens PLC communication modules may seem simple, but it hides many “traps”. This article will explain the basic configuration methods of Siemens PLC communication modules in a straightforward manner, focusing on the applications of three commonly used … Read more

What is an Intelligent Sensor Network? Plug-and-Play Configuration of S7-1200 and IO-Link Devices

An intelligent sensor network acts like the nervous system of a factory, while IO-Link technology serves as the “translator” of this system. Traditional sensors only communicate “on” and “off,” whereas intelligent sensors can provide detailed information—not just whether an object is present, but also how far away it is, how hot it is, and even … Read more

9 Types of HTTP Request Methods: Is There a Need to Use Only POST?

HTTP requests are an important means of communication between the front-end and back-end, and as developers, it is essential to master them. Today, I will introduce the 9 common types of HTTP request methods, along with their respective uses and differences: GETRetrieve specific employee information by employee ID. GET is the primary method for reading … Read more