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linzhi
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樓主  發(fā)表于: 2011-10-15 08:19
有一個(gè)問(wèn)題請教各位高人，我司前幾個(gè)月前從國內的一廠(chǎng)家購買(mǎi)了一臺設備，到目前為止運行的很正常，昨天我想打開(kāi)他們配套的三菱FX2N  PLC備份一下程序，則發(fā)現我的電腦與PLC怎么也連接不上，一打開(kāi)就顯示通信連接錯誤，有哪位老師知道是什么原因嗎？難道是廠(chǎng)方有意人為的把PLC通信接口破壞了？還是有什么程序可以把通信口給阻止了？真還沒(méi)遇到過(guò)如此現象，請教了！謝謝��！
xuzhfeng
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1樓  發(fā)表于: 2012-02-15 19:45
com口設置檢查一下對不對

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