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xcl
一個(gè)人如果不經(jīng)常想未來(lái)，就會(huì )麻木的接受現在。
級別: 探索解密
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發(fā)帖數量: 50 個(gè)
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下載積分: 880 分
在線(xiàn)時(shí)間: 83(小時(shí))
注冊時(shí)間: 2009-03-13
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樓主  發(fā)表于: 2021-01-07 20:07
各位大俠:
         我用FX1N plc和淘寶夠買(mǎi)fx1n --485bd板與變頻器RTU 通訊
                可以發(fā)送數據，控制正反轉和頻率寫(xiě)入，但是讀出的回傳數據
                      卻是RS 的發(fā)送數據，程序應該沒(méi)有錯，請教各位大俠其它哪里有
                           需要注意，或修改的嗎？或者解決方法？

                                   請教了，謝謝！
ren1823
級別: 工控俠客
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1樓  發(fā)表于: 2021-01-08 16:31
因為你是寫(xiě)數據，回傳的數據一樣就說(shuō)明寫(xiě)入成功了，如果是讀數據，回傳的數據就不一定一樣了

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