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liushiyong
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樓主  發(fā)表于: 2008-06-24 09:53
請問(wèn)同仁我用的這臺三菱FR-A540-0.4K的變頻器控制4KW的電機,電機安380V抱閘但沒(méi)有制動(dòng)電阻。
1.   在正常連續運行不到30分鐘就報警
       第一個(gè):E.OU2 
              第二個(gè):OL
     這兩個(gè)不一定報哪個(gè)。
2.在停車(chē)一段時(shí)間再啟動(dòng)時(shí),有時(shí)變頻器操作面板瞬間顯示oL,但不停車(chē)馬上又正常顯示了?
我自己查看說(shuō)明書(shū),上面說(shuō)可能是減速時(shí)間等。我嘗試修改了一些參數,可還是不行。
請大家指點(diǎn)。謝謝!
caocaozxh
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1樓  發(fā)表于: 2008-06-29 10:46
負荷太大,建議先空載試驗,看是否會(huì )出現上述現象,如果沒(méi)有問(wèn)題,那是馬達太小了,換大馬達和控制器.

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