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zhongliang
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樓主  發(fā)表于: 2018-05-17 17:12
不同品牌的PLC之間交換數據，用什么通訊方式最簡(jiǎn)單方便，    MODBUS RTU  或者Ethernet  IP    還是？？？？？？  有無(wú)樣例
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wangnaizhi
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1樓  發(fā)表于: 2018-05-18 19:23
一般PLC都是走modbus協(xié)議的多點(diǎn)  TCP 485 232什么的 都是它的通訊方式  協(xié)議一般是不變的 無(wú)協(xié)議的 一般也有人用 但是數據交換了 你還要自己去處理數據 很麻煩

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