預(yù)防維護(hù)

有計(jì)劃地進(jìn)行主動(dòng)性、預(yù)防性維護(hù),保證系統(tǒng)運(yùn)行穩(wěn)定可靠。根據(jù)大修周期，利用大修進(jìn)行一次預(yù)防性的維護(hù)，以掌握系統(tǒng)運(yùn)行狀態(tài),消除故障隱患。大修期間對(duì)DCS 系統(tǒng)應(yīng)進(jìn)行徹底、全面的維護(hù)，內(nèi)容包括：

1） 系統(tǒng)冗余測(cè)試: 對(duì)冗余電源、服務(wù)器、控制器、通訊網(wǎng)絡(luò)進(jìn)行冗余測(cè)試。操作站、控制站停電檢修。包括計(jì)算機(jī)內(nèi)部、控制站機(jī)籠、電源箱等部件的灰塵清理。

2） 系統(tǒng)供電線路檢修。并對(duì)UPS進(jìn)行供電能力測(cè)試和實(shí)施放電操作。

3） 接地系統(tǒng)檢修。包括端子檢查、對(duì)接地電阻測(cè)試。

大修后系統(tǒng)維護(hù)負(fù)責(zé)人應(yīng)確認(rèn)條件具備方可上電，并應(yīng)嚴(yán)格遵照上電步驟進(jìn)行。



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