06 May 2026
This article provides an in-depth overview of different types of PLC modules used in modern industrial automation systems. It explains the core components—including CPU, power supply, input/output, communication, and specialized function modules—and their respective roles in ensuring efficient system operation. The article also highlights how modular PLC architectures improve flexibility, scalability, and maintenance in complex industrial environments. Published by Easy Semiconductor Technology (Hong Kong) Limited, it emphasizes the importance of selecting the right PLC modules to optimize performance across various industries such as manufacturing, energy, and smart factory applications.