描述
在网络方面,DCS网络是整个系统的中枢神经,它是可靠双冗余的速通讯网络,系统的拓展性与开放性.而PLC因为基本上都为个体工作,其在与别的PLC或上位机进行通讯时,所采用的网络形式基本都是单网结构,网络协议也经常与标准不符。在网络上,PLC没有很好的保护措施。我们采用电源,CPU,网络双冗余.
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