品牌:ABB | 规格:DAI04 | 材质:DAI04 |
产地:瑞士 |
DAI04
DAI04
DAI04
网络的解藕配置。该措施不仅有效隔离了各层数据流量,提高通讯实时性,而且也隔离通讯故障,将故障的影响尽可能地限制在小范围内,从而提高整个通讯系统的可靠性。网络故障下的自动无扰切换。所有DCS通讯系统都具有在线监测功能,一旦工作通讯网络发生故障,系统将自动切换到处于热备状态的冗余网络上,保证整个系统的连续无扰运行,在有些系统中,冗余网络之间周期性地切换,以防止热备网络出现错误时未被及时发现,从而失去热备作用。
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