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hlyhfj
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樓主  發(fā)表于: 2012-12-20 20:32
  電機運轉突然不轉了，變頻器顯示12.2Hz  不知道是什么意思
學(xué)習經(jīng)驗
長(cháng)城電器
主要經(jīng)營(yíng)變頻器，臺達，偉創(chuàng )變頻器，各類(lèi)低壓電器，舊設備改造等
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1樓  發(fā)表于: 2012-12-21 12:50
你的啟動(dòng)方式是外部端子控制吧，頻率來(lái)源應該是段速嗎？FWD信號線(xiàn)沒(méi)了吧

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