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xierenjie
經(jīng)歷過(guò)才是深刻
級別: 論壇先鋒
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在線(xiàn)時(shí)間: 108(小時(shí))
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樓主  發(fā)表于: 2012-03-07 00:51
在編寫(xiě)程序時(shí)候  遇到了  需要上升沿微分輸出  資料上是 PLS M8042  但是呢 就是不能寫(xiě)入  只能寫(xiě)PLS M804
后面再多一位  就不行了  這是為什么   怎么解決
來(lái)而不往非禮也
szzhang001
我愛(ài)工控！
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1樓  發(fā)表于: 2012-03-07 08:53
呵呵，一個(gè)不看手冊的人，我想你不適合編程。
M8000-M8255是特殊輔助繼電器，M8042 沒(méi)有這個(gè)，是超范圍，這些東東是不能驅動(dòng)的。你看了一本錯誤的書(shū)。
吾生有涯，而知無(wú)涯！三人行必有我師！
Email:   hfzwz@qq.com

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