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xjq645396255
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樓主  發(fā)表于: 2010-11-16 10:54
我要把壓力轉換成模擬量，不知道壓力傳感器的用法，求高手�。�！
logix500
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1樓  發(fā)表于: 2010-11-25 21:49
所測介質(zhì)的最大壓力在壓力傳感器量程范圍內就行，現在的壓力傳感器一般標準的都是兩線(xiàn)制，轉換成的就是4-20mA的輸出。PLC側的AI卡跳線(xiàn)成（西門(mén)子的AI卡需要這樣做）相應的兩線(xiàn)制4-20mA與之壓力表的輸出類(lèi)型一致即可。
[ 此帖被logix500在2010-11-25 21:56重新編輯 ]

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