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sd5387260
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樓主  發(fā)表于: 2010-12-13 18:41
請問(wèn)一下,我知道控制是觸摸屏——PLC——變頻器,但是不知道具體怎么弄.....
我是想用PLC通過(guò)通訊方式控制變頻器,并在觸摸屏上顯示出來(lái)并可以更改頻率.......
撇開(kāi)觸摸屏不談,具體的PLC程序應該怎么寫(xiě),還可以怎么弄?
請大爺們幫幫忙啊......
xylinjh
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1樓  發(fā)表于: 2010-12-13 20:51
要知道變頻器通訊協(xié)議
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modbos
xylinjh
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2樓  發(fā)表于: 2010-12-13 20:52
通過(guò)plc與變頻器通訊,人機修改plc參數,控制變頻器
樓主留言:
問(wèn)題是程序怎么寫(xiě)啊.....D8120可以實(shí)現通訊,但是后面的人機修改參數那段怎么寫(xiě)啊.....

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