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xzy054
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樓主  發(fā)表于: 2009-10-20 09:01
當我點(diǎn)PLC診斷  PLC讀取..................                  都會(huì )出現下面的窗口    這是為什么呢？









hxl202319
工資就像大姨媽?zhuān)辉乱淮�，一周就沒(méi)了
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1樓  發(fā)表于: 2009-10-20 16:03
你用的應該是筆記本電腦，筆記本電腦一般都沒(méi)有COM口，為此，要與PLC通訊，一般需要加USB轉232轉換線(xiàn)。而這條轉換線(xiàn)必須安裝正確的驅動(dòng)才能使用。
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