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身在自動化行業有多少人知道dcs系統中動態數據服務器的設置方法呢。本文針對其設置方法做一個詳細介紹，供大家參考。

dcs控制系統屬于基礎自動化，mis系統側重于辦公自動化。這兩者在反映速度上的區別很大，dcs是屬于秒級的，而mis是以小時或更長時間為單位的。所以這兩者之間必須要有隔離設備，這個隔離設備就是動態數據服務器。它的功能是生產過程監控;歷史數據的存儲及管理;統計質量控制;設備預防性維護;設備故障診斷;生產優化等。

dcs采集現場的生產過程數據通過通訊網絡把數據傳給操作站和動態數據服務器。動態數據服務器是采集生產全過程的模擬信號或邏輯信號，所以它的采集速度是海量的。要經過數據淘金，將信號送到生產管理部門。

通常情況下，一個企業往往有幾種不同牌號的dcs、plc，要把這幾種信號都集中到動態數據服務器中，最好要選擇一個通用顯示平臺。在這個平臺上來顯示不同型號的dcs、plc的信號。通用顯示平臺可采用fix、intouch、組態王、synall等軟件，開發各種dcs和plc的驅動軟件。

最近出廠的dcs采用通用操作站，它采用nt操作系統，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專用的，和其它系統通訊都非常困難。如要建立系統間的互聯，通過計算機接口單元建立動態數據服務器，監控軟件仍然可以使用通用的，在nt平臺上運行，但它的數據只能上行，不能下行。在設計mis系統過程中，最好使用動態數據服務器，不要把dcs和plc數據直接送到web否則會影響到 dcs、plc的正常運行。至于究竟需要建立多少個動態數據服務器，由所需采集的數據量和數據安  全決定(一般情況下，可達10000點)。

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