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yzyuanxiang
級別: 探索解密
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樓主  發(fā)表于: 2013-06-24 10:01
如果傳感器出錯=0   4-20ma對應0-4000  所以4.01MA等于25    但是當壓力微小的時(shí)候只有10 還是波動(dòng)的數值。請問(wèn)怎么做報警。試驗下來(lái) 如果負壓的時(shí)候是小于0的    
zhaodong000
在工控的道路上，繼續前進(jìn)。感謝做工控的朋友們，我們風(fēng)雨兼程，
級別: 略有小成
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1樓  發(fā)表于: 2013-06-24 21:51
比較指令來(lái)做，應該不難
fschs
QQ:869603371
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2樓  發(fā)表于: 2013-06-25 10:30
        

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