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WinCC怎么經過MODBUS TCP通訊讀取PAC3200多功用外表的電能值?

發布日期:2022-04-27 點擊率:170 品牌:西門子_Siemens


在MODBUS通訊中因為PAC3200手冊中只給出了64位電能值的存放器地址,所以WinCC無法經過03XX和04XX直接讀取和處理電能值。如今這個疑問能夠處理了,便是在64位存放器地址上加上偏移。例如,64位的費率1下正向有功電能Active energy import
tariff 1(D)存放器地址是801。32位電能值的對應地址是2801(參看表1)。
操作進程如下:

1) 在變量處理中增加Modbus TCP/IP驅動
2) 樹立通訊聯接
CPU-type: Premium, Micro
? Server: PAC4200 的IP地址
? Port: Modbus 端標語 502
? Remote slave address: 1
? Swap words in 32-bit values: 挑選Swap words in 32-bit value
3) 新建變量
4)界說變量特征




表1

5)在Graphics Designer畫面批改器中創立帶變量的畫面
6)增加I/O域
7)主張WinCC作業體系


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