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愛(ài)不離
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樓主  發(fā)表于: 2014-12-18 19:37
]很長(cháng)時(shí)間沒(méi)搞通信玩玩了，今天就突然想起來(lái)弄了下，出現了個(gè)問(wèn)題，比如一段程序ld xo   out y1   我將這個(gè)程序寫(xiě)入三菱fxplc里后，然后找個(gè)細線(xiàn)將plc的輸入端com端口和xo端口短接，這時(shí)候xo的指示燈亮，表示xo閉合，線(xiàn)圈Y1得電，我發(fā)現內部軟繼電器Y1所對應的外部端口上的Y1指示燈并沒(méi)有亮啊，是我哪里搞錯了啊，程序內部的Y與外部端子上的Y是不是都對應的啊，如果不是，該怎么設置這個(gè)啊
gdj-gdj
每天進(jìn)步一點(diǎn)點(diǎn)！
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1樓  發(fā)表于: 2014-12-19 20:15
在輸入程序時(shí)把PLC軟元件清除一下，再寫(xiě)入程序試試看，還不行的話(huà)就是PLC硬件的問(wèn)題了。

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