摘要
20世纪80年代以来,工业自动化控制经历了DCS,PLC和FCS(现场总线控制)的逐级发展。目前,工业以太网(Ethernet)又成为控制界的大热点。详细介绍了工业以太网的通信方式和特点,以及工业以太网的7层网络通信模型及其功能。
Since 80s last century, industry automatic control system has been developing from DCS, PLC to FCS （ field control system） gradually. Now, industrial Ethernet are becoming hot point in this field. Detailed introduction of the communication method and characteristics of Ethernet as well as the 7-layer OSI connection-mode and its functions are given in this paper.
出处
《水泥工程》
CAS
2006年第1期54-56,共3页
Cement Engineering
关键词
自动化控制
工业以太网
通信模型
Automatic control
industrial Ethernet, communication mode
