描述
每个PCU柜有二对互为冗余的网络处理模件,当主通讯模件故障而无法无扰切换至备用时,操作员控制站会出现对应PCU柜所有参数失去,如是控制窗口则全部变白色,此时操作员不能慌张,应立刻利用M/A硬手操站操作和监视相关参数,仪控人员应立刻恢复PCU柜NPM/NIS通讯模件运行。今后机组有停机检修机会,应尽量安排NPM/NIS通讯模件冗余切换试验,确保万无一失。
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