Recently, I have received many inquiries from beginners asking how to get started with Mitsubishi PLCs. As an engineer with over 20 years of experience, today I will share some basic knowledge about Mitsubishi PLCs to help you quickly enter this “main force” of the automation field. What is a PLC? When it comes to … Read more
Learning Mitsubishi PLC from scratch can be daunting for many. As an engineer with over 20 years in automation, I understand the confusion that comes with starting out. Today, I will introduce you to PLC, the “brain of the industry,” in the simplest way possible. What is a PLC? Why Learn It? A PLC (Programmable … Read more
Digital Input Digital inputs can be used to collect switch signals, commonly used components include: buttons, limit switches, proximity switches, photoelectric switches, etc. Wiring Methods for Buttons and Switches The PLC input points are opto-isolated, and when the light source of the opto-isolator emits light, the PLC can receive the signal. There are two wiring … Read more
This is a detailed introduction article about the operation of Programmable Logic Controllers (PLCs), covering core content from basic concepts to practical operations. — Mastering the Core of Industrial Automation: A Comprehensive Guide to PLC Operations The Programmable Logic Controller (PLC) is the “brain” of modern industrial automation, replacing traditional relay control cabinets with its … Read more
In the first half of 2025, Xinjie Electric continues to hold the top position in the domestic small PLC market. This achievement is not a “dark horse surprise,” but rather a regular breakthrough from a “long-established strong player”; the surge in the first half of the year is a result of years of deep cultivation … Read more
PLC (Programmable Logic Controller) is a digital operation system designed specifically for industrial environments, utilizing programmable memory to store instructions and control mechanical equipment or production processes through input/output.Essentially, a PLC is a digital operation electronic system designed for industrial environments, employing programmable memory to store instructions for executing logical operations, sequential control, timing, counting, … Read more
☝Click the blue text above to follow me. I hope the suggestions at the end of this article will be helpful to you. One morning, I passed by a coffee stand at a construction site and saw an experienced electrician demonstrating ladder diagrams to two young men. To put it simply, it was practical. I … Read more
When the night is quiet, your phone suddenly buzzes with a WeChat notification. You, lost in your dreams, do not notice the sound. After 10 seconds, you groggily hear the phone ringing. Just as you answer the call, wondering who is calling at this hour, the voice on the other end says, “Report to the … Read more
Advanced Electrician: Three Programming Methods for Traffic Light PLC Control 1. Control Requirements First Method: SFC Parallel Second Method: SFC Single Process Third Method: Basic Instruction – Time Contact Comparison Instruction 2. Wiring Operations With persistent effort, the future is promising. Thank you for your recognition and support.
-Begin-Hello everyone! I am Engineer Fu. Whether learning about host computers or PLCs, one topic seems unavoidable—communication. PLC communication focuses more on application; it only requires calling the corresponding function blocks and filling in the correct parameters, without needing to understand the underlying implementation principles. Host computer communication emphasizes the underlying principles, requiring knowledge of … Read more