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zhi_good
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樓主  發(fā)表于: 2017-08-07 08:40
各位大神;你好，現在上位機使用C#開(kāi)發(fā)的，上位機和CP1HPLC的距離有30米，上位機要發(fā)送數據給PLC，還讀取幾個(gè)數據，請問(wèn)：PLC這邊能不能使用485通信板？PLC這邊需要寫(xiě)通信程序嗎？謝謝
sz518104
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1樓  發(fā)表于: 2017-08-08 10:14
有一下專(zhuān)門(mén)上位機軟件在Visual Studio 2013上開(kāi)發(fā)，通信協(xié)議都有啊，可以直接使用C語(yǔ)言啊

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