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樓主  發(fā)表于: 2010-01-26 19:11
最近一個(gè)變頻器總是出現故障，報故障是編碼器短路或是斷線(xiàn)，可是每次報故障時(shí)電機一點(diǎn)都沒(méi)有動(dòng)作，只是變頻器準備有輸出或者是可能剛有輸出，請問(wèn)變頻器在沒(méi)有輸出時(shí)能檢測編碼器線(xiàn)的回路是否短路通路嗎？好像沒(méi)有這功能吧，請指教一下

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