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ldbboy
級別: 工控俠客
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樓主  發(fā)表于: 2013-10-18 12:01
在現實(shí)中！我們設計選型時(shí)！有時(shí)會(huì )ON 或NC !
現在有條流水線(xiàn)~！要檢測產(chǎn)品數量，是用常ON型還是常NC型！請說(shuō)出理由！
本人選的是常開(kāi)!但計數有時(shí)好！有時(shí)少計！為什么
zzj111000
專(zhuān)業(yè)非標電控設計
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1樓  發(fā)表于: 2013-10-18 12:53
增加些抗干擾,比如延時(shí)有效,如果少計可能沒(méi)有有效感應或者物料連在一起沒(méi)分開(kāi)等

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