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唯愛(ài)永恒
級別: 工控俠客
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發(fā)帖數量: 37 個(gè)
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下載積分: 5346 分
在線(xiàn)時(shí)間: 153(小時(shí))
注冊時(shí)間: 2016-06-03
最后登錄: 2025-06-11
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樓主  發(fā)表于: 2019-09-01 17:41
QJ71C24N-R4 與 GM8006H 稱(chēng)重儀表通訊 。。(使用GX Works2編程。)
GM8006H 儀表 帶 標準MODBUS 通訊協(xié)議     通訊速度:9600  4800 。。。 數據位:8     校驗位:無(wú)     停止位:1
    參數地址表:3000(BB8H)         給定(讀寫(xiě))(T/KG)   2位小數
                            3003(BBBH)        流量(只讀)(T/KG)    2位小數
                            3010(BC2H)        速度值(只讀)              
                            3012(BC4H)        總產(chǎn)量(只讀)(T)       2位小數
求教:如何寫(xiě)讀取、寫(xiě)入程序。!

找了很多案例都不行!各種錯誤!怎么就讀不出來(lái)數據!求教各位大大!
929903476
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1樓  發(fā)表于: 2019-09-06 19:55
請教下,樓主、 為什么我上電plc只發(fā)送一次數據。沒(méi)有接收到回傳數據后就不發(fā)送數據了嗎?

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