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alan_yang
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樓主  發(fā)表于: 2019-04-25 14:54
各位大神,請問(wèn)在三菱系列PLC中程序出現雙線(xiàn)圈情況(例如A、B兩段程序同時(shí)存在Y0),是否會(huì )出現A段程序可運行,B段程序不可運行的情況。
如果將雙線(xiàn)圈改為A段置位線(xiàn)圈,B段普通輸出,是不是就不會(huì )沖突報錯?
倔強的小白
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1樓  發(fā)表于: 2019-05-16 09:41
引用
引用第1樓wangdai527于2019-04-25 16:01發(fā)表的  :
  你為啥不用2個(gè)M,然后再用M去輸出Y0?就如手自動(dòng)命令電磁閥的方式。
一個(gè)用置位,一個(gè)普通輸出,不叫重線(xiàn)圈,但注意一點(diǎn)是:復位優(yōu)先于置位,置位優(yōu)先于普通輸出。

這種方式檢查時(shí)候也方便。為什么非要用那么多置位復位輸出線(xiàn)圈,檢查時(shí)候不嫌麻煩

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