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姑蘇城外
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樓主  發(fā)表于: 2008-12-05 23:18
請教一個(gè)關(guān)于S7-200通訊問(wèn)題。我前幾天在網(wǎng)上花20元錢(qián)買(mǎi)[了一個(gè)PC/PPI編程線(xiàn)，是串口的，由于我的筆記本只有USB接口，所以我又在電腦市場(chǎng)買(mǎi)了一個(gè)USB轉串口的數據線(xiàn)，網(wǎng)上又下了一個(gè)USB轉串口的驅動(dòng)程序。安裝好之后，怎么也不能與PLC通訊。我是PLC的初學(xué)者。請求各位大蝦幫幫我這個(gè)忙！在下感之不盡。
wangfec
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1樓  發(fā)表于: 2008-12-06 20:31
開(kāi)始 > 設置 > 控制面板 > 【Set PG/PC Interface】 檢查屬性 > [Local connection] > 指向的com口是否實(shí)際使用的端口。

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