西门子S7-300/400PLC开放式以太网TCP通讯的研究与应用  

A Research and Application About Open Ethernet TCP Communication of Siemens S7-300/400 PLC

作　　者：郝庆伟 HAO Qing-wei(Information and Automation Department of HBIS Group Tangshan Company,Tangshan Hebei 063000)

机构地区：[1]河北钢铁集团唐钢公司信息自动化部

出　　处：《数字技术与应用》2019年第10期31-32,共2页Digital Technology & Application

摘　　要：近年来随着以太网与工业网络交互与融合,越来越多的工业产品需要通过TCP协议与PLC系统进行通讯,本文以西门子S7-300/400 PLC为例详细阐述其TCP通讯机理及具体的通讯实现方法。In recent years, with the interaction and fusion of Ethernet and industrial network, more and more industrial products need to communicate with PLC system through TCP protocol, this paper takes Siemens S7-300/400 PLC as an example to elaborate its TCP communication mechanism and specific communication realization method in detail.

关 键 词：PLC 通讯 TCP 

分 类 号：TP273.5[自动化与计算机技术—检测技术与自动化装置]