數(shù)據(jù)處理與管理程序主要包括數(shù)據(jù)獲取程序，和組態(tài)管理程序。數(shù)據(jù)獲取程序通過調(diào)用網(wǎng)卡設備驅(qū)動程序，獲取下位機采集的實時數(shù)據(jù)，同時用DDE(動態(tài)數(shù)據(jù)交換)方式傳送給工控組態(tài)管理程序。組態(tài)管理程序主要有實時數(shù)據(jù)庫組態(tài)，歷史數(shù)據(jù)庫組態(tài)，流程畫面組態(tài)。它完成數(shù)據(jù)存貯，顯示，報警，打印，提供用戶畫面，和分析計算。數(shù)據(jù)存貯部分包括實時數(shù)據(jù)，報表數(shù)據(jù)，調(diào)整報警限數(shù)據(jù)的存儲;數(shù)據(jù)顯示部分包括對動態(tài)實時數(shù)據(jù)和歷史數(shù)據(jù)提供各種圖形顯示;用戶界面采用流行的DCS圖形界面顯示，和簡潔的功能鍵操作提示，所提示的主要操作有圖號切換、站號切換等，以及一些輔助性操作，如：系統(tǒng)在線幫助，值班員登錄等;數(shù)據(jù)處理主要包抱燃煤量計算、發(fā)電量計算等。

廈門岳航計算機工程有限公司

聯(lián)系人：李素云

企業(yè)QQ：2851195446，2851195466

手機：18965423501

座機：0592-5165501

4 系統(tǒng)功能的實現(xiàn)

數(shù)據(jù)圖形顯示：包括實時數(shù)據(jù)趨勢顯示、歷史數(shù)據(jù)趨勢顯示(顯示的時間區(qū)間可改變)、棒狀圖顯示、流程圖顯示。

數(shù)據(jù)查詢：可查詢兩個月前的歷史數(shù)據(jù)記錄、報警記錄等。

報表打印：包括報警記錄打印、月報表、輪值信息打印、燃煤量報表、發(fā)電量報表打印。

人工輸入：為了滿足一些數(shù)據(jù)的特殊要求，運行人員每隔一小時將一些數(shù)據(jù)從鍵盤上輸入到人工輸入一覽表中。

在線分析：包括發(fā)電量分析、燃煤量分析、事故分析等。

權(quán)限設定：為了更好地維護系統(tǒng)，對不同的操作站設定不同的權(quán)限，一些高級的操作只有工程師站或管理員站獨用，而操作員站只進行日常的運行、維護操作。并且不同的操作級別設定不同的密碼，不同的操作站只能登錄相應級別的權(quán)限。

系統(tǒng)對時與更改時間：由于本系統(tǒng)是網(wǎng)絡結(jié)構(gòu)，需要保持整個網(wǎng)絡系統(tǒng)時間一致。權(quán)限為管理員站的操作站可進行系統(tǒng)對時和更改系統(tǒng)時間。系統(tǒng)對時以網(wǎng)絡控制機的時間為準。

與廠級管理信息系統(tǒng)(MIS)相接：在上位機任一PC總線插槽插入-LAN網(wǎng)卡與廠級MIS相連接，將發(fā)電機組的實時信息傳至廠級管理機構(gòu)。

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