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632953168
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樓主  發(fā)表于: 2015-08-11 13:11
我用0-10v的模擬量輸入能接收到信號，為什么用4-20MA始終接收不到信號？
10字節
abcdef張勇
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1樓  發(fā)表于: 2015-08-11 14:15
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