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樓主  發(fā)表于: 2011-01-05 20:40
以下是用Modbus修改給定頻率的方法。 是這樣理解嗎？如果是 寄存器號應該是00 02  怎么是00 01呢？請高手詳解  謝謝！ABB變頻器


主機向通訊給定1（Modbus寄存器40002）中寫(xiě)入設定的頻率數值（范圍＝0～＋20000（換算到0～1105給定1最大），或－20000～0（換算到1105給定1最大～0））；

例如：若1105＝50.00Hz；發(fā)出【01 06 00 01 27 10 CRC校驗碼】表示修改頻率為25.00HZ                
01   代表站號

06   代表功能（寫(xiě)單個(gè)寄存器）

00 01    代表寄存器號

2710   代表數值
[ 此帖被gugb在2011-01-07 09:27重新編輯 ]

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