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ziji2009
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樓主  發(fā)表于: 2010-03-11 16:09
我的三菱PLC和電腦連不起來(lái)了。怎么辦，老是提示指定了不能使用的COM口，怎么該端口？
廣東
不斷進(jìn)取
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1樓  發(fā)表于: 2010-03-12 19:22
如果你的線(xiàn)沒(méi)有問(wèn)題/那就是COM端口設置錯誤,剛開(kāi)始的時(shí)候我也是跟你的一樣.后來(lái)我從COM1—COM10一個(gè)一個(gè)的設置/最后是跟COM3連接成功.其它的全部連接不上.

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