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xingligao2
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樓主  發(fā)表于: 2015-07-24 13:37
FX1s系列的PLC，L端和N端都沒(méi)有接220V的線(xiàn)，只接了輸入和輸出端的24伏的電源線(xiàn)，PLC還能正常工作，怎么回事��？
zsdsun
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1樓  發(fā)表于: 2015-08-31 18:13
都沒(méi)有看清楚提問(wèn)者的問(wèn)題，他的意思是PLC是220V供電的，那個(gè)L  N就是供電220V給PLC的工作電源，他意思是不接，PLC能工作嗎？　　

你們覺(jué)得會(huì )工作嗎？外面都不給電給PLC，能工作起來(lái)？

電源都還沒(méi)有供電，你們就談?wù)撦斎胼敵�，電源沒(méi)有電，輸入輸出有啥用呢

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