Understanding PLC Input and Output Port Working Principles

Understanding PLC Input and Output Port Working Principles

Today, I bring you the wiring methods for sensors and PLCs, with twenty wiring diagrams. Isn’t that super rich? Let’s take a look! 1 Overview The digital input interface of the PLC is not complicated. To enhance its anti-interference capability, PLCs use optocouplers to isolate the input signals from the internal processing circuits. Therefore, the … Read more

Detailed Explanation of Inverter Terminals and Wiring

Detailed Explanation of Inverter Terminals and Wiring

The function of an inverter is to convert the industrial frequency (50Hz or 60Hz) AC power supply into a frequency-variable AC power supply for the motor, providing speed control by changing the frequency of the AC power supply. There are many types of inverters, mainly divided into two categories: AC-DC-AC inverters and AC-AC inverters. The … Read more

20 Essential PLC and Sensor Wiring Diagrams for Beginners

20 Essential PLC and Sensor Wiring Diagrams for Beginners

Search on WeChatTechnical Training Today, we bring you the wiring methods for sensors and PLCs, with twenty wiring diagrams. Isn’t that rich? Let’s take a look! 1.Overview The digital input interface of the PLC is not complex. To improve anti-interference capability, PLCs use optocouplers to isolate the input signals from the internal processing circuits. Therefore, … Read more

Summary of RS485 Bus Knowledge in Low Voltage Engineering

Summary of RS485 Bus Knowledge in Low Voltage Engineering

How to Learn Mechanical Drawing? It Would Be Too Difficult Without These Materials! (Click on the above brown text to download the materials) In engineering, the RS485 control line is often mentioned. What exactly is it? Today, I will discuss the applications related to RS485. By delving into RS485, you will find that there is … Read more

Can Three Wires Be Routed From A PCB?

Can Three Wires Be Routed From A PCB?

In printed circuit board (PCB) design, many engineers encounter various issues, one of which is whether “three wires can be routed from the circuit board?” The answer is yes; the pads or connection points on a PCB can connect and route multiple wires, including three wires. 1. Why Can Three Wires Be Routed From A … Read more

General Principles of PCB Layout and Wiring in AD

General Principles of PCB Layout and Wiring in AD

1 Layout Principles 1. Follow the layout principle of “large first, small later; difficult first, easy later,” meaning that important circuit units and core components should be prioritized in layout. Large first, small later; difficult first, easy later In the above image, 1 is positioned due to mechanical structure determining the power supply and terminal … Read more

25 Essential Electrical Principles You Need!

25 Essential Electrical Principles You Need!

1. Regulations for Wiring Single-Phase Power Outlets There are various types of single-phase outlets, commonly divided into two-hole and three-hole types. Two holes are arranged side by side, while three holes form a “T” shape. Next to the wiring holes are marked letters: L for live, N for neutral, and E in the center of … Read more

What Is RS485 Bus? How to Use RS485 Bus? A Comprehensive Guide

What Is RS485 Bus? How to Use RS485 Bus? A Comprehensive Guide

1. What Is RS485 Bus The RS485 bus is commonly used in industrial settings to collect multi-point data, whether analog signals or switch signals. RS-485 operates in a half-duplex mode and supports multipoint data communication. The RS-485 bus network topology generally adopts a terminal-matched bus structure, which connects various nodes in series along a single … Read more

Elevator Five-Party Communication Wiring Diagram and Common Issues

For those who want to install five-party intercom but don’t know how to wire, we have carefully prepared a wiring diagram for five-party communication that guarantees you will understand it at a glance! What is Elevator Five-Party Communication? Elevator five-party communication refers to the communication between five parties in the elevator intercom system: the management … Read more

Comprehensive Guide to Automotive Circuit Diagrams

Comprehensive Guide to Automotive Circuit Diagrams

Introduction: The rapid development of automotive technology and the popularization of fuel-injected vehicles have brought challenges to many automotive repair professionals. To become an excellent automotive technician and increase income, understanding automotive circuit knowledge is essential. Many automotive repair friends have expressed a desire to learn about circuits. After reading this article, you should have … Read more