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樓主  發(fā)表于: 2009-12-26 19:13
     我用的電腦是神舟筆記本，最近買(mǎi)了個(gè)帝特USB轉RS232的轉換口，我用的是GPP編程軟件，連接PLC時(shí)總是提示無(wú)法指定COM口，電腦也提示COM口是正常運行的，煩。。。。。有哪位高手知道是怎么回事嗎？告知一下小弟。。。謝謝啦。。。。

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