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5X00106G01

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品牌:西屋 規格:5X00106G01 材質:5X00106G01
產地:美國
質量沒得說,價格不是問題
細節決定質量,品質決定銷量
正品保證,質保一年    
千款庫存產品,讓您不敢想象
多種不同產品,詢您所需
產品品牌:西屋
產品型號:5X00106G01
聯係人:趙艷霞     手機:18020776785     電話:0592-5087595    傳真:0592-5165561
QQ:2653339695     郵箱:2653339695@qq.com
5X00106G01

DCS係統由多臺計算機分別控制生產過程中多個控制回路,同時又可集中獲取數據、集中管理和集中控制的自動控制係統。分布式控制係統採用微處理機分別控制各個回路,而用中小型工業控制計算機或的微處理機實施上一級的控制。

經過這些年來的不斷應用,DCS係統在行業發展的一些局限性逐步體現出來,DCS存在的問題:

1、1對1結構。1臺儀表,1對傳輸線,單向傳輸1個信號。這種結構造成接線龐雜、工程周期長、安裝費用高、維護困難。

2、失控狀態。操作員在控制室既不了解現場模擬儀表的工作狀況,也不能對其進行參數調整,更不能預測事故,導致操作員對其處於失控狀態。因操作員不能及時發現現場儀表故障,而發生事故已屢見不鮮。

3、可靠性差。模擬信號傳輸不僅度低,且易受幹擾。為此採用各種措施提高抗幹擾性和傳輸度,其結果是增加了成本。

4、互操作性差。盡管模擬儀表已統一4∼20mA信號標準,可大部分技術參數仍由制造商自定,致使不同品牌儀表無法互換。因此導致用戶依賴制造廠,無法使用性能價格比優的配套儀表,甚至出現個別制造商壟斷市場的局面。

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Optibase MGE400 Windows Media Board,
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5X00106G01


聯係方式
  • 聯係人: 吳金孝 先生
  • 電話: 0592-5165553
  • 真: 0592-5165561
  • 手機: 15359409553
  • 地址: 福建省 廈門市 廈門思明區湖濱東路湖光大廈8樓A單元
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