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chenpingyg
機械是柱石,電氣是靈魂.
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樓主  發(fā)表于: 2015-02-14 12:41
廠(chǎng)里有AB的PLC，型號是1756-L63，上位機軟件采用OPC通訊，輸入點(diǎn)只能以字節的方式讀取，不能單獨讀取某一位，輸出點(diǎn)是16位的，也只能讀取到8位。這是為何？
自己的事情自己做.
zcwcjj
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1樓  發(fā)表于: 2015-02-27 18:14
看你的opc服務(wù)端是怎么設的，是不是只輸出了部分輸出點(diǎn)的信息

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