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casy1987
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樓主  發(fā)表于: 2010-12-07 16:32
請教各位大俠，假如我有2個(gè)CPU224，怎么可以將它們連起來(lái)，再通過(guò)西門(mén)子編程電纜連接到上位機Micro WIn呢？
2個(gè)CPU之間可以直接接通信口嗎（不用EM277）？
2個(gè)CPu之間用什么線(xiàn)連接？可以自己做嗎？
gggyniso
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1樓  發(fā)表于: 2010-12-13 21:59
二個(gè)CPU 之間可以用二種方法，一種是PPI通訊（NETR/NETW），另一種就是做MODBUS 一個(gè)主一個(gè)從，做通訊

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