2019/4/19 14:40:11 来源： 深圳长欣自动化设备有限公司
DCS系统根据各硬件的功能不同，其故障可分为人机接口故障和过程通道故障。人机接口主要指用于实现人机联系功能的工程师站、操作员站、打印机、键盘、鼠标等；过程通道主要指就地总线、通道、过程处理机、一次元件或控制设备等。人机接口由多个功能相同的工作站组成，当其中一台发生故障时，只要处理及时，一般不会影响系统的监控操作。过程通道故障发生在就地总线或一次设备时，会直接影响控制或检测功能，因而后果比较严重
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