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jzylcj
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樓主  發(fā)表于: 2010-04-08 15:48
平時(shí)PLC運行時(shí)，輸入端L/N處接220V電源，但有時(shí)的誤操作會(huì )將PLC的220V電源燒毀，影響正常運行，此時(shí)我們可以在輸出端接+24V com處外接個(gè)24V電源，這時(shí)PLC輸入輸出都能正常使用。一切恢復正常。
現場(chǎng)出現此類(lèi)故障時(shí)可用此方法處理。
硬功夫
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1樓  發(fā)表于: 2010-07-09 14:37
完全可以。我現在就是這樣用的

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