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lde1982
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樓主  發(fā)表于: 2010-11-20 14:21
我的電腦通過(guò)串行口與CPM1A連接后,打開(kāi)編程軟件CX-Programmer6.1,如果用自動(dòng)在線(xiàn)功能時(shí),則會(huì )出現無(wú)法連接至PLC的現象,串口的設置也完全正確。此時(shí),必須要把電腦重啟后打開(kāi)軟件,然后再打開(kāi)該PLC對應的程序后,用軟件的在線(xiàn)工作功能就能與PLC之間進(jìn)行通訊,不知道這是什么原因,還請各位指點(diǎn),謝謝!
huixiaxuema
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1樓  發(fā)表于: 2010-11-20 18:28
在保證電纜是好的,接口、波特率對的情況下,重點(diǎn)看CPU類(lèi)型是幾?
bigcg
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2樓  發(fā)表于: 2010-12-02 14:19
你的系統可能有問(wèn)題了。我也遇到過(guò)

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