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a86116403
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樓主  發(fā)表于: 2017-12-23 08:41
我用MODBUS主站/RTU模式,ADPRW指令指定了   從站站號   功能碼    從站地址  數據   校驗碼    ,我發(fā)現沒(méi)有指定用哪個(gè)口發(fā)送啊,我現在通道1和通道2通訊參數一模一樣,我要發(fā)送一串數據幀,如何分別指定1通道還是2通道。說(shuō)明書(shū)我看過(guò)了,沒(méi) 有講,或者我下錯了。官網(wǎng)上下的

說(shuō)明書(shū)上的例子,通訊參數設定完后直接用ADPRW指令,沒(méi)有任何指定通道的程序  
xg@rxxw
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1樓  發(fā)表于: 2017-12-23 19:02
你能帶幾個(gè)-MB模塊?

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