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夢(mèng)雨天涯
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樓主  發(fā)表于: 2019-02-15 14:55
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如圖，參數設置，接線(xiàn)是沒(méi)有問(wèn)題的，就是幾秒鐘彈出PLC未連接（變頻器部分已經(jīng)刪除），所有的都檢查了，就是找不到原因，求大神們幫幫忙
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淡淡雨季
以前看到山就想知道山后面是什么，現在我不想知道了
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1樓  發(fā)表于: 2019-03-07 13:41
問(wèn)題解決了沒(méi)有？如果按照你說(shuō)的com1時(shí)不時(shí)的亮一下，，，，首先應該先確定硬件電路有沒(méi)有問(wèn)題，其次，你調整下波特率和通訊延時(shí)。。。。有結果了麻煩告知一下哈

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