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唯愛(ài)永恒
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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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