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金玉峰
級別: 論壇先鋒
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發(fā)帖數量: 284 個(gè)
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在線(xiàn)時(shí)間: 1090(小時(shí))
注冊時(shí)間: 2013-03-27
最后登錄: 2025-04-07
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樓主  發(fā)表于: 2013-04-24 21:03
我有兩臺EM231，模擬量輸入端不接線(xiàn)，把它和一臺224連接，（224里是空白的），然后把模塊的M,L+和224的M,L+相連接，通電，一個(gè)+24上面的綠色指示燈亮，SF上面的紅色指示燈閃爍。而另一臺則是紅燈閃一下就燈就滅，綠燈一直閃爍，請問(wèn)那臺是正常的。模塊是EM231AI2RTD.
月澤
時(shí)間嘛！就象乳溝，擠一擠總歸還是有的！
級別: 工控俠客
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發(fā)帖數量: 1285 個(gè)
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在線(xiàn)時(shí)間: 642(小時(shí))
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1樓  發(fā)表于: 2013-04-24 21:11
可以看一下 模塊手冊  有指示燈  所代表的含義
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