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li850654538
向往明天
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樓主  發(fā)表于: 2018-01-18 21:19
請教各位前輩，小弟用三臺臺達PLC做主-從站通訊，用的是link功能，現在是有時(shí)正常有事的2-3秒才反應過(guò)來(lái)是怎么回事？通訊線(xiàn)用的屏蔽線(xiàn)，通訊距離0米左右
lihuaming68
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1樓  發(fā)表于: 2018-01-19 09:07
跟PLC掃描時(shí)間有關(guān)系。任何PLC 都有通訊延遲時(shí)間。動(dòng)作控制不變，盡可能簡(jiǎn)化程序

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