3A99859G03西屋優勢
3A99859G03西屋優勢
zui近出廠的DCS采用通用操作站，它采用NT操作系統控制工程網版權所有，監控軟件就是FIX、INTOUCH.不同DCS型號采用不同的驅動軟件。各種DCS之間信號傳輸采用OPC服務器聯接，也可以把少量的信號送到MIS系統的服務器中。FIX、INTOUCH等軟件都能存儲歷史數據，幾十個信號可存儲280天之多。如要存儲更多的歷史數據，可以采用OSI歷史數據庫，它可以存儲三年以上。這些通用監控軟件都有OSI的接口。老一代的DCS系統的操作站無論操作系統還是監控軟件都是的，和其它系統通訊都非常困難。
硬件故障改如何檢查？
硬件故障常常表現為以下幾方面
！ 模塊的插件板與總線底板插接不嚴密；
！ 撥碼開關錯誤；通訊線接線方向錯誤；
！ 終端匹配器未接；
！ 硬件跳線與實際信號要求的類型不*；
！ 機柜內系統電源、現場電源輸出有誤；
！ 硬件本身壞。
以上幾方面問題的結果表現為：
！ 加電后硬件板極故障（指示燈顯示狀態不對）；
！ 設備不工作；
！ 系統工作但顯示的對應測點值不正確、系統的輸出不能驅動現場設備等等。
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