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yzmazuh
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樓主  發(fā)表于: 2016-07-09 08:44
最近買(mǎi)塊臺達6路模塊量模塊型號:DVP06AD-S,想利用自帶的RS485接口作為一個(gè)獨立的模塊使用,由上位機按ModBus協(xié)議讀取各通道的AD值,上位機按模塊默認設置:地址01、ASCII通訊、7位數據、偶校驗和1位停止位,單元地址H4006~H400B,就是不響應,上位機只有TX燈閃,RX不亮。郁悶!模塊加電后,只有POWER燈亮、AD燈為什么不亮?現懷疑模塊有問(wèn)題(不工作。?請高手幫忙指點(diǎn)?
hafatahaha
臺達代理
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1樓  發(fā)表于: 2016-07-09 23:55
有沒(méi)有報警
上海承接工業(yè)電氣自動(dòng)化項目工程 461946157@qq.com   13162651373
臺達,三菱(變頻器,pllc,伺服,人機,溫控器)進(jìn)口變送器,傳感器,視覺(jué)
xyjdomron
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2樓  發(fā)表于: 2016-12-07 21:01
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