描述
系統(tǒng)使用過(guò)程存在問(wèn)題及待改進(jìn)方面
3.1 Advant OCS系統(tǒng)使用過(guò)程存在問(wèn)題
Advant OCS系統(tǒng)從1997年投入運(yùn)行,由于計(jì)算機(jī)系統(tǒng)未設(shè)計(jì)不間斷電源UPS,當(dāng)供電電壓出現(xiàn)波動(dòng)時(shí),MP200/1控制器就停止運(yùn)行,有時(shí)程序也丟失,必須重新下載,嚴(yán)重影響了正常生產(chǎn),后來(lái)給網(wǎng)絡(luò)上的所有設(shè)備安裝了不間斷電源才解決了這個(gè)問(wèn)題。另外,AS520iOS操作站、AS5151MS信息站多次出現(xiàn)計(jì)算機(jī)的主板、硬盤損壞,而且操作站經(jīng)常出現(xiàn)死機(jī)現(xiàn)象,給生產(chǎn)控制帶來(lái)困難。由于計(jì)算機(jī)2000年問(wèn)題,公司決定升級(jí),1999年12月升級(jí)至今徹底解決上述問(wèn)題。
我們?cè)谏a(chǎn)過(guò)程中發(fā)現(xiàn)控制軟件有些問(wèn)題,例如:1)窯頭與分解爐噴煤采用羅茨風(fēng)機(jī),有1臺(tái)備用,在生產(chǎn)過(guò)程中發(fā)現(xiàn)備用羅茨風(fēng)機(jī)可轉(zhuǎn)給分解爐噴煤使用,但當(dāng)某天要把備用羅茨風(fēng)機(jī)轉(zhuǎn)到窯頭噴煤使用時(shí),聯(lián)鎖信號(hào)都正常,中控卻無(wú)法起動(dòng),經(jīng)查,設(shè)計(jì)軟件存在問(wèn)題,經(jīng)修改后開(kāi)機(jī)正常。
2)在生產(chǎn)過(guò)程中多次發(fā)現(xiàn)生料均化庫(kù)底沖擊式流量計(jì)的稱重倉(cāng)內(nèi)生料溢出,引起流量計(jì)跳停,但下料設(shè)備卻不會(huì)聯(lián)鎖跳停,經(jīng)查,稱重倉(cāng)上有一高高報(bào)料位開(kāi)關(guān)未設(shè)計(jì)參與下料設(shè)備的聯(lián)鎖,經(jīng)修改才消除這故障。
3)ABB公司設(shè)計(jì)60萬(wàn)t水泥磨要停機(jī)換庫(kù),有9個(gè)5000t水泥庫(kù),采用氣力提升輸送,每次停機(jī)換庫(kù)要40min至1h,如果其它設(shè)備出故障換庫(kù)時(shí)間更長(zhǎng),我們實(shí)施了對(duì)60萬(wàn)t水泥磨換庫(kù)不停機(jī)的改造,對(duì)原設(shè)計(jì)電氣圖紙及控制軟件進(jìn)行了修改,實(shí)現(xiàn)了換庫(kù)不停機(jī),大大地提高了水泥磨的運(yùn)轉(zhuǎn)率。
3.2 Advant OCS待改進(jìn)方面
目前,AS515IMS只作為與ROMIX計(jì)算機(jī)通訊的網(wǎng)關(guān)使用,還有其它功能未發(fā)揮出來(lái)。為提高企業(yè)管理水平,充分發(fā)揮信息站的使用,應(yīng)對(duì)信息站進(jìn)行升級(jí)及開(kāi)發(fā)有關(guān)軟件。
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主營(yíng):世界知名品牌的PLC、DCS系統(tǒng)備件模塊
①Allen-Bradley(美國(guó)AB)系列產(chǎn)品》
②Schneider(施耐德電氣)系列產(chǎn)品》
③General electric(通用電氣)系列產(chǎn)品》
④Westinghouse(美國(guó)西屋)系列產(chǎn)品》
⑤SIEMENS(西門子系列產(chǎn)品)》
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順序控制、梯形邏輯控制、事故追憶處理、數(shù)模轉(zhuǎn)換、輸入/輸出信號(hào)處理、數(shù)
據(jù)通信及處理等。Invensys Triconex:冗余容錯(cuò)控制系統(tǒng)、基于三重模件冗余(TMR)
結(jié)構(gòu)的zui現(xiàn)代化的容錯(cuò)控制器。
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