Description
为保证DCS控制的设备的安全可靠,DCS采用了双冗余的控制单元，当重要控制单元出现故障时，都会有相关的冗余单元实时无扰的切换为工作单元，保证整个系统的安全可靠。PLC所搭接的系统则需要配置双PLC实现冗余。
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