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張 傑: 《 我們都一樣》
大 壯： 《 我們不一樣》
蔡依林： 《不一樣又怎樣》
薛之謙: 《你還要我怎樣》
張赫宣: 《我們不該這樣的》
我就比較厲害了，你來找我買模塊，《你想怎樣就怎樣》
跟著IT技能的展開，帶動了各行各業，局域網、廣域網和互連網的廣泛施行， 大都單位有了自己的網站，各體係也樹立了自己的網絡。因而，對體係的牢靠性要求也提高了。
傳統的UPS電源往往是比及機器呈現了缺陷，不能正常供電，才由值班人員去查找缺陷地址，這樣必定耗費許多貴重的時間，並且許多場合也是不允許的。跟著微 處理器CPU和軟件的引入，大大增加了UPS的自檢功用。大都UPS都裝備了自己的軟件，當UPS缺陷時，軟件就能夠經過面板上的液晶閃現 屏，將缺陷的部位或器件閃現出來，大大節省了時間。
跟著網絡技能的廣泛，用戶又向UPS提出了更高的要求：UPS應具有無人值守功用，並且不光具有自檢功用，還應具有聯網功用，即，不光在網上能夠隨時查詢 UPS的各項作業參數，並且在市電或UPS缺陷時，能夠向服務器、作業站等宣告信息，一同也能夠打電話、發傳真或尋呼等方法告訴值班人員。反過來，網絡技 術以及信息技能的展開為UPS通訊電源的網絡化供應了可能，而樹立在WEB上的歸入工廠全體信息化的長途體係，才是未來展開的方向。
JDB3225W WESTINGHOUSE 以數據庫為中心的方案
傳統的方法基本上都是以數據庫為中心的處理方案，其間的操控網絡能夠是各種現場總線，也能夠是其它工業操控網絡，各個操控節點經過它進行通訊，經過發射電臺對電源作業情況進行監測，收集現場信息，經處理後傳送給實時數據庫服務器；Web服務器根據客戶端瀏覽器發來的HTTP央求，經過服務器擴展 模塊，從實時數據庫中獲取數據，然後傳回給客戶端瀏覽器進行閃現。能夠看出，整個進程都是圍繞著實時數據庫服務器翻開的。這種方法在實踐運用中存在許多不 足。例如，相對於監測功用，操控功用的完畢比較困難，編程上難度較大，特別是性方面如認證、加密。為處理實時性問題，一般選用輪詢方法，由客戶瀏覽器 守時改寫網頁，而這會導致功率低下，有些體係也選用作業觸發方法，運用數據庫服務器的觸發器功用自動推(push)數據，但它一般要求Web服務器與數據 庫服務器坐落同一臺機器上，不便於體係擴展; 數據庫服務器是整個體係的中心，需處理Web服務器與機的央求，作業負載很重，有可能成為體係功能瓶頸。這些不足之處跟著運用模型的擴展顯得越來越明 顯，需求新的處理方案。
JDB3225W WESTINGHOUSE WEB體係
根據Web的電源長途體係，一般可分為3個子體係：即現場監測與操控子體係；數據存儲與轉發子體係；客戶端接納與指令發送子體係。現場子體係擔任收集 各個現場操控節點的作業情況數據，然後傳遞給中心層子體係；中心層子體係是一個中介體係，由工控機、Web服務器和實時數據庫服務器組成。工控機經過電臺 發射信號向現場收集數據，Web服務器經過服務器擴展技能如CGI、ISAPI等完畢與客戶子體係以及現場子體係的交互；客戶子體係是用戶直接與之交互的 部分，它接納用戶的輸入，從中心層子體係獲取監測數據或向其發送操控指令。
現場信號收集模塊選用研華ADAN4017。研華係列的數據收集模塊是一套內置微處理器的智能傳感器對計算機接口模塊，它們能夠經過一套簡略的ASCII 格式的指令來操控並能夠以RS485通訊協議傳輸數據，它有信號濾波A/D、D/A改換、數據比較以及數字通訊功用。模塊上沒有設置開關來裝備參數和定標 糾正，只能接受來自主機的指令，來改動模擬量輸入規劃、熱電偶或熱電阻輸入。悉數模塊的裝備參數包括I/O地址、通訊速率、奇偶校驗，校驗和凹凸報警均可 以長途設置。別的看門狗守時器的功用能夠使體係作業失利時重新啟動模塊。
因為RS-486網絡具有低噪讀傳感器方法，所以模塊能夠放置在靠近噪聲源的當地運用ADAM的RS-485接納模塊，多能夠聯接256個數據收集模塊到一個RS-485多點網絡上。主機經過RS-232/RS-485轉化模塊經串口連到485網絡上。
體係中，工控機的功用與前面描繪所不同的是它不光與實時數據庫服務器進行通訊，並且還經過套接字Socket與運用服務器通訊，即它將收集到的數據傳給數 據庫服務器的一同還接納來自運用服務器宣告的操控指令。當用戶拜訪體係時，經過瀏覽器向Web服務器宣告HTTP央求，然後ActiveX控件隨同 HTML文件下載到客戶端並由瀏覽器闡明實行，ActiveX控件與運用服務器樹立Socket聯接，用戶進行操作只需經過ActiveX控件的界面 就能夠進行了JDB3225W WESTINGHOUSE 。
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