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qiang2751290
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樓主  發(fā)表于: 2013-01-16 07:53
關(guān)于modbus如何連接PLC。 是如何接線(xiàn)的，modbus能控制設備的不同狀態(tài)嗎？是如何控制的。 我看了好多資料就是不理解。希望各位大俠幫幫我。謝謝。
fqy
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1樓  發(fā)表于: 2013-02-01 10:59
現在的MODBUS應該很廣.就連現在有的人機也帶此協(xié)議.比如威綸通MT及TK系列的人機就可以直接用MODBUS協(xié)議跟變頻器及其它設備通信.

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