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壹零壹
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樓主  發(fā)表于: 2017-12-26 18:50
我想用SMC的氣壓傳感器做個(gè)試壓機，現在用的是電壓信號，但是他的精密度在0.2KPa，我看了下說(shuō)明書(shū)可以使用電流信號，電流信號需要寫(xiě)什么東西來(lái)識別？
tingfenghu
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1樓  發(fā)表于: 2017-12-26 20:00
精度和信號類(lèi)型沒(méi)有關(guān)系。
傳感器只有0.2KPa精度，不管用什么信號都只有這個(gè)精度，電流信號只是在復雜環(huán)境下搞干擾比較好。
需要高精度就采用高精度傳感器和高精度AD來(lái)采集信號。
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