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z00436
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樓主  發(fā)表于: 2011-12-03 22:07
各位大蝦,小弟正在做三菱FX1N 與三菱E740變頻器通訊,是應該用變頻器鏈接協(xié)議還是用MODBUS RTU協(xié)議?傻傻的問(wèn)一句MODBUS ASCII協(xié)議不能在此處用嗎?
z00436
級別: 略有小成
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發(fā)帖數量: 110 個(gè)
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1樓  發(fā)表于: 2011-12-10 09:27
終于搞定了,可以寫(xiě)入參數,控制正反轉,停止等功能,還有一點(diǎn)小問(wèn)題,不能讀取頻率電壓電流E740的監視寄存器的地址是不是40201,40202,40203啊,變頻器返回數據應該是H03,現在是H83,查手冊訪(fǎng)問(wèn)的地址錯誤?z00436@126.com
[ 此帖被z00436在2011-12-10 09:36重新編輯 ]
z00436
級別: 略有小成
精華主題: 0
發(fā)帖數量: 110 個(gè)
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下載積分: 637 分
在線(xiàn)時(shí)間: 110(小時(shí))
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2樓  發(fā)表于: 2011-12-15 10:17
終于搞定了,可以寫(xiě)入參數,控制正反轉,停止等功能,現在可以讀變頻器電壓。電流。頻率了;宋野雮(gè)月的時(shí)間。謝謝各位了!

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