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luyanping
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樓主  發(fā)表于: 2011-05-04 17:16
我是剛學(xué)搞西門(mén)子 ,也了解過(guò)三菱。試著(zhù)關(guān)書(shū)編寫(xiě)過(guò)。發(fā)現有出入,實(shí)現方法和使用指令有時(shí)并不一樣,只是精簡(jiǎn)的通用的才一樣。因此有些困惑,也不了解什么指令代價(jià)小,運行快,所以不能確認程序是不是最簡(jiǎn)和最科學(xué),請各位老師指點(diǎn)下。搞VB的時(shí)侯多少還懂點(diǎn)一些命令調用情況,可PLC這方面完全是空的。比如PLC中用計數器可以計數,用計時(shí)器也可計數,用移位指令也可計數;……使用中應怎樣來(lái)確認呢?
chenpingyg
機械是柱石,電氣是靈魂.
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1樓  發(fā)表于: 2011-05-08 13:18
在簡(jiǎn)單的程序和完美的控制之間找一個(gè)平衡點(diǎn)。
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