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huiming
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樓主  發(fā)表于: 2017-07-06 10:26
圖片：
FX3U無(wú)輸出，PLC輸出指示燈有亮，萬(wàn)用表測量com點(diǎn)與Y 是沒(méi)有接通的。   更換硬件（晶體管C5134）（光藕P181）還是無(wú)輸出。   請大家有維修過(guò)沒(méi)有，大家一起討論交流下。
士林變頻器代理 18312516885
langui
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1樓  發(fā)表于: 2017-07-12 07:59
把有輸出的點(diǎn)的光耦引一條線(xiàn)到?jīng)]輸出的點(diǎn)上，基本可判斷是驅動(dòng)IC還是光耦后的問(wèn)題

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