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lihao0827
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樓主  發(fā)表于: 2016-04-15 15:36
想寫(xiě)個(gè)時(shí)間無(wú)限循環(huán)控制的程序  但寫(xiě)到這樣出現雙線(xiàn)圈問(wèn)題 是程序錯誤  還是PLC不會(huì )運行
minghe
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1樓  發(fā)表于: 2016-04-18 16:17
三菱PLC的程序如果檢查下來(lái)有很多提示雙線(xiàn)圈，實(shí)際調試時(shí)確認其實(shí)沒(méi)什么問(wèn)題，關(guān)鍵在于對于你所寫(xiě)的邏輯你要清楚，按PLC的工作方式，雙線(xiàn)圈同時(shí)執行以最后一個(gè)的結果為輸出，如果為了避免這樣的問(wèn)題可以采用中間變量過(guò)渡
[ 此帖被minghe在2016-04-19 17:01重新編輯 ]

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