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工控機

微機操作系統的三種運行方式

發布日期:2022-04-26 點擊率:131

   (1)反饋運行方式
  即系統上電自檢正確且無操作票存在時,或在模擬預演時按壓綜合操作屏上的“反饋”燈開關,使反饋燈變紅,其它控制開關燈滅,使系統進入反饋運行方式。  

    (2)模擬運行方式
  即相當于一套五防閉鎖模擬屏,此時運行人員可在屏上進行模擬預演。
    (3)操作運行方式
  此時綜合操作屏相當于微機控制屏,工控主機將根據模擬預演內容和被控設備的特點,直接控制倒閘操作或輸入正確的操作程序,給監控系統和電腦鑰匙逐項進行帶閉鎖倒閘操作。
  綜合屏上一般應設有總解鎖開關,當遇到較大的緊急事故時,可以通過總解鎖開關對全站斷路器總解鎖,此時運行人員可直接在屏上對斷路器進行操作,在控制屏每個斷路器操作把手附近均安裝了一個就地解鎖開關,當某斷路器需退出閉鎖時,只需接通該斷路器的就地解鎖開關,就可對該設備進行任意操作。

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