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forcible
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樓主  發(fā)表于: 2012-04-10 00:03
如圖，三菱PLC交通燈
東西 綠Y1黃Y2紅Y3
南北 綠Y5黃Y6紅Y4
紅燈35S，綠燈30S,閃3S，然后黃燈2S
為什么我用步進(jìn)梯形圖編的不能朝下一步步的走
我自己也感覺(jué)狀態(tài)步轉移這里有問(wèn)題，怎么改？這里一般怎么設定？
meipingboy
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1樓  發(fā)表于: 2012-04-10 15:52
是啊，既然是步進(jìn)程序，那就應該用 SFC 來(lái)編寫(xiě)，程序一看就明白哪里出問(wèn)題。
如下圖：
活到老學(xué)到老：還有 8  分沒(méi)學(xué)到

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