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mdayan
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樓主  發(fā)表于: 2011-02-27 18:43
請問(wèn)PNP傳感器改成NPN傳感器,用繼電器過(guò)渡,請問(wèn)接線(xiàn)如何接.
請問(wèn)NPN傳感器改成PNP傳感器,用繼電器過(guò)渡,請問(wèn)接線(xiàn)如何接.
六月荷
蚯蚓
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1樓  發(fā)表于: 2011-02-27 20:19
PNP傳感器改成NPN,你可以將PNP的輸出線(xiàn)和負極之間串一小繼電器,再引一負極線(xiàn)通過(guò)小繼電器的常開(kāi)觸點(diǎn)輸出,作為NPN傳感器的輸出線(xiàn),正極~負極照原樣接。      
NPN傳感器改成PNP,你可以將NPN的輸出線(xiàn)和正極之間串一小繼電器,再引一正極線(xiàn)通過(guò)小繼電器的常開(kāi)觸點(diǎn)輸出,作為PNP傳感器的輸出線(xiàn),正負極原樣接。
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