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牛若宇
級別: 探索解密
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下載積分: 464 分
在線(xiàn)時(shí)間: 17(小時(shí))
注冊時(shí)間: 2015-11-12
最后登錄: 2016-09-30
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樓主  發(fā)表于: 2016-01-31 08:39
求解三菱PLC主站什么意思 在實(shí)物中怎么區分
牛若宇
級別: 探索解密
精華主題: 0
發(fā)帖數量: 8 個(gè)
工控威望: 101 點(diǎn)
下載積分: 464 分
在線(xiàn)時(shí)間: 17(小時(shí))
注冊時(shí)間: 2015-11-12
最后登錄: 2016-09-30
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1樓  發(fā)表于: 2016-01-31 10:46
引用
引用第1樓sd5387260于2016-01-31 10:16發(fā)表的  :
你這么理解吧
主站和從站就是主動(dòng)和被動(dòng)關(guān)系
例如
主站發(fā)送數據：你今天吃了么？
從站收到你今天吃了么數據，然后處理反饋給從站信息：我今天吃了
.......

那從軟件上是如何區分的那？

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