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ccaolaud
級別: 正式會(huì )員
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樓主  發(fā)表于: 2015-09-06 11:38
首先，謝謝你的關(guān)心。
我是初學(xué)者，請問(wèn)學(xué)這個(gè)有啥好方法沒(méi)有。S7-200 SN  CPU22 與電腦怎么做不了通訊呢
lqm003
于英劍
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1樓  發(fā)表于: 2015-09-07 17:28
主要是USB的端口COM1、COM2、COM3沒(méi)找準，挨個(gè)試一試。要用PPI編程線(xiàn)。
于英劍

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