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可编程控制器(PLC)以卓越的可靠性和方便的可编程性广泛用于工业控制领域,依靠先进的工业网络技术可以迅速有效的收集、传送和管理数据,网络在自动化系统集成工程中的重要性相应越来越显著。本文就可编程控制器(PLC)通过网络连接单元构成的网络系统结构、系统配置及数据的传输作以系统的阐述。
Programmable Logic Controllers (PLCs) are widely used in industrial control applications for superior reliability and ease of programmability. They rely on advanced industrial networking technologies to quickly and efficiently collect, transmit and manage data. Networks are used in automation system integration projects The importance of the corresponding more and more significant. In this paper, programmable logic controller (PLC) network connection unit formed by the network system structure, system configuration and data transmission for a systematic exposition.