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wuxi41
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樓主  發(fā)表于: 2010-11-05 06:52
現在手里有一個(gè)傳感器，想驅動(dòng)一個(gè)計數器�？蓻](méi)什么反應。傳感器輸出電壓時(shí)17V,計數器的輸入電壓時(shí)3-20v。怎么回事跟電流有關(guān)嗎？
黃猛
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1樓  發(fā)表于: 2010-11-07 09:33
傳感器驅動(dòng)計數器，一要信號電源匹配，二是要傳感器有脈沖輸出到計數器才能計數得嘛，傳感器一般都輸出模擬量的，可能這就是不計數原因噢

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