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zcm20247726
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樓主  發(fā)表于: 2014-01-02 17:04
現有一個(gè)CP1L PLC和儀表用MODBUS-RTU進(jìn)行通訊，數顯表高字地址為0001H(40002),低字地址為0000H，怎么把數據寫(xiě)入這兩個(gè)地址？跪求一個(gè)程序
thomaslin
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1樓  發(fā)表于: 2014-01-02 17:30
需要使用Protocol 進(jìn)行溝通傳輸
thomaslin
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2樓  發(fā)表于: 2014-01-15 16:31
使用Protocol 需搭配儀器的Protocol使得PLC進(jìn)行溝通

才能溝通下指令以及讀取資料

儀器的Protocol要看你使用哪一種廠(chǎng)牌

可以跟廠(chǎng)商索取

參考看看吧

引用
引用第3樓kadgai于2014-01-03 10:54發(fā)表的  :

1樓看圖，是這個(gè)吧。用得怎樣可以交流下嗎

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