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曾文慶3
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樓主  發(fā)表于: 2013-08-20 19:50
有一個(gè)系統。PLC和變頻器控制一臺電機有一天系統壞了   修好后運行。電機反了。把電機風(fēng)葉打開(kāi)用手挵風(fēng)葉使它正轉。以后每次都要這樣。我想是不是變頻器上這根方向控制線(xiàn)壞了
qq249640260
人生為棋，我愿為卒，行動(dòng)雖慢，可誰(shuí)見(jiàn)我都會(huì )后退一步。
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1樓  發(fā)表于: 2013-08-21 08:20
學(xué)習了 電機缺一相可以正轉 也可以反轉

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