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小學(xué)沒(méi)畢業(yè)
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樓主  發(fā)表于: 2016-12-09 14:28
兩個(gè)西門(mén)子300CPU，profibus dp組太好了。主站和從站的數據接收和發(fā)送區已經(jīng)組態(tài)完畢，其對應關(guān)系如下：
    主站                 從站
    QB0～QB4   IB0～IB4
    IB0～IB6      QB0～QB6
為什么程序中不能直接用這些數據區，還要用SFC14,SFC15 接收和發(fā)送。
wuhongxiang
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1樓  發(fā)表于: 2016-12-11 09:56
你上傳一下你的程序，看一下！

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