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lishang29
努力,積累,每天進(jìn)步一點(diǎn)點(diǎn)。
級別: 略有小成
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樓主  發(fā)表于: 2011-04-10 15:24
前兩天遇上一個(gè)問(wèn)題,輸入點(diǎn)指示無(wú)效,但是用監控軟件顯示該點(diǎn)一直是有效的,是這個(gè)點(diǎn)壞了嗎?而且很奇怪這個(gè)PLC通訊地址為0,另外,一些控制部分會(huì )不定時(shí)啟動(dòng),是干擾問(wèn)題,還是程序問(wèn)題?
suuy79
燒不死的鳥(niǎo)就是鳳凰
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1樓  發(fā)表于: 2011-04-10 16:39
如果監視時(shí)輸入點(diǎn)正常的話(huà),不排除輸入點(diǎn)LED出現問(wèn)題的可能性
關(guān)于程序問(wèn)題,你可以先閱讀并監視程序,即可判斷問(wèn)題所在!

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