Description
CRT是人-机接口,要CRT操作站可以存取和显示多种画面,用以全面监控全部控制过程变量以及其它参数,并可直接远程操作各控制器,从而实现了集中监视和集中操作。
DCS的基本骨架是计算机网络,然后是连接在网络上的三类节点—面向被控过程现场的现场I/O控制站、面向操作人员的操作站和面向DCS监督管理人员的工程师站,
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