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zzzer442
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樓主  發(fā)表于: 2017-09-26 09:17
我做過(guò)很多儀器的電箱,一般都很簡(jiǎn)單,就是一個(gè)PLC,一個(gè)步進(jìn)驅動(dòng)器和一個(gè)開(kāi)關(guān)電源。
以前一直沒(méi)出現問(wèn)題,近來(lái)需要儀器開(kāi)一個(gè)晚上,發(fā)現連續運行超過(guò)4個(gè)小時(shí),儀器就自動(dòng)停了。
後來(lái)發(fā)現晚上空調關(guān)了,環(huán)境溫度大約30-35度,我晚上回去看時(shí),發(fā)現PLC和驅動(dòng)器溫度都有40-50度。
是不是PLC溫度過(guò)高的時(shí)候會(huì )自動(dòng)停止?
是不是一般電箱都需要裝散熱風(fēng)扇?怎麼裝?
請大家不吝賜教!
十三月
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1樓  發(fā)表于: 2017-09-26 11:05
裝個(gè)電箱空調更好,那樣可防止灰塵的困擾,且溫度可控有保證。

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