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木皮
學(xué)海無(wú)涯
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樓主  發(fā)表于: 2012-09-20 11:27
我有一個(gè)S20紅外線(xiàn)溫度傳感器出線(xiàn)有三根紅，綠，屏蔽線(xiàn)。電源是24V，輸出是4-24MA。上面寫(xiě)紅接+24V，綠接—24V及電流正極。請問(wèn)電流負極接哪里呢請教一下有人知道接嗎謝謝！
大家好才是真的好
絕世精靈
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1樓  發(fā)表于: 2012-09-20 17:37
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