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shenyijin
中級電工
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樓主  發(fā)表于: 2011-05-29 18:44
圖片：
我的PLC買(mǎi)了不久，寫(xiě)了星三角程序，之后沒(méi)用，閣了幾天就出現拿出來(lái)用，連接是出現這樣的對話(huà)框，請問(wèn)前輩是什么問(wèn)題��？切確是什么問(wèn)題��？
yangrmg
經(jīng)驗是練出來(lái)的
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1樓  發(fā)表于: 2011-05-29 20:22
型號設置、PLC端口不對、端口占用都可能這樣。如果不能排除，重啟電腦試試。

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