Electrical Isolation

Application of Optocouplers in PLC Control Modules – Advanced Optical Semiconductors

by
Application of Optocouplers in PLC Control Modules - Advanced Optical Semiconductors

Search on WeChatAdvanced Optical Semiconductors# Advanced Optical Semiconductors # Programmable Logic Controllers (PLCs) are a crucial component of modern industrial automation, widely used in manufacturing, processing, construction, and various other industries. The core function of a PLC is to process various input signals and control the operation of output devices based on preset logic. To … Read more

Why Use External Relays When PLCs Have Built-in Relays? Unveiling the Design Wisdom Behind Industrial Control

by
Why Use External Relays When PLCs Have Built-in Relays? Unveiling the Design Wisdom Behind Industrial Control

Click to follow and unlock more PLC technology knowledge! Introduction Many newcomers to the industrial control field often wonder: since PLCs come with built-in relay outputs, why do we need to add an extra row of external relays to control contactors? Doesn’t this increase costs and complicate the system? In fact, there is profound electrical … Read more

Applications of Photo Relays in Automatic Control – Advanced Optical Semiconductors

by
Applications of Photo Relays in Automatic Control - Advanced Optical Semiconductors

Click on the blue text above to follow us~ 　　In the context of modern industrial and intelligent development, automatic control technology has widely penetrated various fields such as production, transportation, energy, and communication, becoming an important means to improve efficiency, reduce energy consumption, and ensure safety. Among many automatic control components, the Photo Relay has … Read more

The Importance of Isolation for High Voltage Electrical Systems

by
The Importance of Isolation for High Voltage Electrical Systems

With the rapid development of new energy vehicle technology and the increasing application of renewable energy technologies, the market for high voltage signal isolators has experienced explosive growth. As we all know, to enable the interaction of electrical signals between two circuits, it is necessary to generate a flow of signal current and establish an … Read more

Secrets of IoT Devices: ‘Electric Shock Prevention + Anti-Interference’ – Function Breakdown, Scene Adaptation, and Practical Usage of Optocouplers

by
Secrets of IoT Devices: 'Electric Shock Prevention + Anti-Interference' - Function Breakdown, Scene Adaptation, and Practical Usage of Optocouplers

1. Function Definition An optocoupler (光电耦合器, Optocoupler) is a semiconductor device that achieves electrical signal isolation and transmission through optical signals. Its core functions are electrical isolation and signal transmission. It consists of two parts: •Input side (light-emitting side): Typically a light-emitting diode (LED), which converts electrical signals into optical signals; •Output side (light-receiving side): … Read more

Applications of Optocouplers in DC Power Modules

by
Applications of Optocouplers in DC Power Modules

With the rapid development of electronic technology, DC power modules play an increasingly important role in various electronic devices. Optocouplers, as an important electronic component, are widely used in DC power modules for signal isolation and transmission. This article will explore the working principle, characteristics, and specific applications of optocouplers in DC power modules. 01 … Read more