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dyysam513
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樓主  發(fā)表于: 2019-01-18 13:33
用QJ71C24-R4，CH1跟三菱變頻器E740做通訊，專(zhuān)門(mén)協(xié)議做有2臺變頻器通訊，如果變頻器都打開(kāi)，通訊是正常的讀取頻率和寫(xiě)入頻率都是沒(méi)問(wèn)題，如果關(guān)掉一個(gè)變頻器通訊就不行了頻率就寫(xiě)不進(jìn)去。幫忙看看能不能解決。





  


  



  
gadna9
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1樓  發(fā)表于: 2019-01-20 09:32
之前遇到的情況跟你一樣，因當時(shí)時(shí)間緊沒(méi)有深入了解，程序改成OUTPUT指令之后就沒(méi)有問(wèn)題。感覺(jué)是指令問(wèn)題，等待高手解答。

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