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zjsa2009
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在線(xiàn)時(shí)間: 35(小時(shí))
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樓主  發(fā)表于: 2013-01-06 18:53
PLC是西門(mén)子S7-200 CPU 224XP CN
程序編譯過(guò)沒(méi)問(wèn)題，下載到PLC后輸入點(diǎn)相應的點(diǎn)的指示燈都有亮，實(shí)際的輸入就沒(méi)有，而程序監控出來(lái)就是沒(méi)法值ON,然后做一個(gè)簡(jiǎn)單的程序試了一下PLC完全沒(méi)問(wèn)題，接線(xiàn)再3檢查完全沒(méi)問(wèn)題，真的是搞不懂，麻煩大家幫個(gè)忙，
dyj2011
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1樓  發(fā)表于: 2013-02-22 16:44
應該就是線(xiàn)路故障

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