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1771-P4SK?驅動器AB|IC697MEM733

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產品價格: 800/人民幣 
最后更新: 2018-07-16 14:30:36
產品產地: 美國
發貨地: 福建廈門市 (發貨期:當天內發貨)
供應數量: 不限
有效期: 長期有效
最少起訂: 1
瀏覽次數: 121
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    產品詳細說明

    1771-P4SK?驅動器AB|IC697MEM7331771-P4SK?驅動器AB|IC697MEM7331771-P4SK?驅動器AB|IC697MEM7331771-P4SK?驅動器AB|IC697MEM7331771-P4SK?驅動器AB|IC697MEM7331771-P4SK?驅動器AB|IC697MEM7331771-P4SK?驅動器AB|IC697MEM7331771-P4SK?驅動器AB|IC697MEM7331771-P4SK?驅動器AB|IC697MEM7331771-P4SK?驅動器AB|IC697MEM7331771-P4SK?驅動器AB|IC697MEM7331771-P4SK?驅動器AB|IC697MEM7331771-P4SK?驅動器AB|IC697MEM7331771-P4SK?驅動器AB|IC697MEM7331771-P4SK?驅動器AB|IC697MEM7331771-P4SK?驅動器AB|IC697MEM7331771-P4SK?驅動器AB|IC697MEM7331771-P4SK?驅動器AB|IC697MEM7331771-P4SK?驅動器AB|IC697MEM7331771-P4SK?驅動器AB|IC697MEM7331771-P4SK?驅動器AB|IC697MEM7331771-P4SK?驅動器AB|IC697MEM7331771-P4SK?驅動器AB|IC697MEM7331771-P4SK?驅動器AB|IC697MEM7331771-P4SK?驅動器AB|IC697MEM7331771-P4SK?驅動器AB|IC697MEM7331771-P4SK?驅動器AB|IC697MEM7331771-P4SK?驅動器AB|IC697MEM7331771-P4SK?驅動器AB|IC697MEM7331771-P4SK?驅動器AB|IC697MEM7331771-P4SK?驅動器AB|IC697MEM7331771-P4SK?驅動器AB|IC697MEM7331771-P4SK?驅動器AB|IC697MEM7331771-P4SK?驅動器AB|IC697MEM7331771-P4SK?驅動器AB|IC697MEM7331771-P4SK?驅動器AB|IC697MEM7331771-P4SK?驅動器AB|IC697MEM7331771-P4SK?驅動器AB|IC697MEM7331771-P4SK?驅動器AB|IC697MEM7331771-P4SK?驅動器AB|IC697MEM7331771-P4SK?驅動器AB|IC697MEM7331771-P4SK?驅動器AB|IC697MEM7331771-P4SK?驅動器AB|IC697MEM7331771-P4SK?驅動器AB|IC697MEM7331771-P4SK?驅動器AB|IC697MEM7331771-P4SK?驅動器AB|IC697MEM7331771-P4SK?驅動器AB|IC697MEM7331771-P4SK?驅動器AB|IC697MEM7331771-P4SK?驅動器AB|IC697MEM7331771-P4SK?驅動器AB|IC697MEM7331771-P4SK?驅動器AB|IC697MEM7331771-P4SK?驅動器AB|IC697MEM7331771-P4SK?驅動器AB|IC697MEM733

    以微處理器為基礎,采用控制功能分散、顯示操作集中、兼顧分而自治和綜合協調的設計原則的新一代儀表控制系統。
    名稱:DCS,全稱:DistributedControlSystem,定義:DCS是分散控制系統(DistributedControlSystem)的簡稱,國內一般習慣稱為集散控制系統。它是一個由過程控制級和過程監控級組成的以通信網絡為紐帶的多級計算機系統,綜合了計算機(Computer)、通訊(Communication)、顯示(CRT)和控制(Control)等4C技術,其基本思想是分散控制、集中操作、分級管理、配置靈活、組態方便。

    系統的主要技術概述
    ·系統主要有現場控制站(I/O站)、數據通訊系統、人機接口單元(操作員站OPS、工程師站ENS)、機柜、電源等組成。系統具備開放的體系結構,可以提供多層開放數據接口。
    ·硬件系統在惡劣的工業現場具有高度的可靠性、維修方便、工藝先進。底層漢化的軟件平臺具備強大的處理功能,并提供方便的組態復雜控制系統的能力與用戶自主開發專用高級控制算法的支持能力;易于組態,易于使用。支持多種現場總線標準以便適應未來的擴充需要。
    ·系統的設計采用合適的冗余配置和診斷至模件級的自診斷功能,具有高度的可靠性。系統內任一組件發生故障,均不會影響整個系統的工作。
    ·系統的參數、報警、自診斷及其他管理功能高度集中在CRT上顯示和在打印機上打印,控制系統在功能和物理上真正分散;

    DCS·整個系統的可利用率至少為99.9%;系統平均無故障時間為10萬小時,實現了核電、火電、熱電、石化、化工、冶金、建材諸多領域的完整監控。
    ·“域”的概念。把大型控制系統用高速實時冗余網絡分成若干相對獨立的分系統,一個分系統構成一個域,各域共享管理和操作數據,而每個域內又是一個功能完整的DCS系統,以便更好的滿足用戶的使用。
    ·網絡結構可靠性、開放性及先進性。在系統操作層,采用冗余的100Mbps以太網;在控制層,采用冗余的100Mbps工業以太網,保證系統的可靠性;在現場信號處理層,12Mbps的PROFIBUS總線連接中央控制單元和各現場信號處理模塊。
    ·標準的Client/Server結構。有的DCS的操作層采用Client/Server結構
    ·開放并且可靠的操作系統。系統的操作層采用WINDOWS NT操作系統;控制站采用成熟的嵌入式實時多任務操作系統QNS以確保控制系統的實時性、安全性和可靠性。
    ·標準的控制組態軟件。系統采用IEC61131-3標準的控制組態工具,可以實現任何監測、控制要求。
    ·可擴展性和可裁剪性,保證經濟性。


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