ABB 3HAC047184-003
ABB 3HAC047184-003
ABB 3HAC047184-003
北京安控公司SuperE RTU具有自帶小組態(tài)Edraw功能,(如圖所示),可以在RTU本身的LCD顯示屏上編程組態(tài),模擬電動(dòng)機(jī)和泵工作狀態(tài),實(shí)時(shí)顯示設(shè)備運(yùn)行狀態(tài)數(shù)據(jù)值,可以實(shí)現(xiàn)現(xiàn)場(chǎng)監(jiān)控,另外和車間工作站之間實(shí)現(xiàn)RS485通訊通信波特率采用9.600bit/s,傳輸距離可達(dá)1200米遠(yuǎn)傳數(shù)據(jù),實(shí)現(xiàn)遠(yuǎn)程監(jiān)控,這樣實(shí)現(xiàn)了兩級(jí)監(jiān)控, 提高了對(duì)突發(fā)事件的響應(yīng)能力另外,,增強(qiáng)了系統(tǒng)的可靠性. RTU 本身帶有工業(yè)觸摸鍵盤輸入的功能.鍵盤功能分為系統(tǒng)功能鍵和用戶自定義鍵.系統(tǒng)功能鍵包括0~9,翻頁(yè).前后.上下等鍵實(shí)現(xiàn)數(shù)字輸入,翻頁(yè)瀏覽等功能用戶自定義鍵包括F1~F8,可以在上位機(jī)組態(tài)軟件中自定義鍵盤功能.此系統(tǒng)中,用戶自定義鍵為: *4臺(tái)電機(jī)的手動(dòng)啟動(dòng)按鈕,供系統(tǒng)檢修、維護(hù)和特殊情況下使用。
*自動(dòng)按鍵,包括工作組和備用組的自動(dòng)按鈕,分別控制哪組電機(jī)和抽礦泵可以投入自動(dòng)運(yùn)行。 *檢修按鍵,包括工作組和備用組的檢修按鈕。當(dāng)工作組的檢修按鈕按下時(shí),只能由備用組的電機(jī)和泵運(yùn)行,并且zui多只能是備用組的兩臺(tái)電機(jī)和兩臺(tái)泵同時(shí)運(yùn)行,反之亦然。 軟件設(shè)計(jì)包括RTU的梯形圖和Edraw組態(tài)編程設(shè)計(jì),變頻器的編程設(shè)計(jì)。
下面僅以RTU的編程設(shè)計(jì)為例簡(jiǎn)要說(shuō)明,在電源開(kāi)關(guān)和自動(dòng)按鈕按下時(shí),進(jìn)行RTU的初始化工作,然后檢測(cè)各臺(tái)電機(jī)的可用情況,如果有一組電機(jī)為檢修狀態(tài),則zui多可使用另一組的兩臺(tái)電機(jī)進(jìn)行工作, RTU帶有PID調(diào)節(jié)功能,循回檢測(cè)液位值,將給定的液位值與實(shí)際檢測(cè)的液位值進(jìn)行比較,對(duì)液位數(shù)值進(jìn)行PID調(diào)節(jié),啟停變頻器和電機(jī)工作,再將液位值和電機(jī)的工作情況在LCD屏幕上模擬顯示,并且判斷是否存在故障,如液位越過(guò)上、下限、電機(jī)異常工作等,在故障時(shí)發(fā)出報(bào)警,完成一個(gè)循環(huán)。
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