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NCS系统5.9.1NCS系统结构---------------------------------------------------------------------------------------------------------15.9.2技术参数---------------------------------------------------------------------------------------------------------------25.9.3系统I/O点数--------------------------------------------------------------------------------------------------------25.9.4系统接地---------------------------------------------------------------------------------------------------------------35.9.5设备接地---------------------------------------------------------------------------------------------------------------35.9.6电源---------------------------------------------------------------------------------------------------------------------35.9.7系统功能---------------------------------------------------------------------------------------------------------------41、实时数据的采集与处理------------------------------------------------------------------------------------------4A、采集信号的类型---------------------------------------------------------------------------------------------4(一)模拟量:--------------------------------------------------------------------------------------------------4(二)电度量:--------------------------------------------------------------------------------------------------4(三)开关量:--------------------------------------------------------------------------------------------------4B、采集信号的处理---------------------------------------------------------------------------------------------52、数据库的建立与维护---------------------------------------------------------------------------------------------63、控制操作-------------------------------------------------------------------------------------------------------------64、同期-------------------------------------------------------------------------------------------------------------------65、防误闭锁-------------------------------------------------------------------------------------------------------------66、画面生成及显示-------------------------------------