Node-Red ModBus Wite INT 16 bits , 32Bits , Float 16 bits , 32Bits , Read NT 16 bits , 32Bits , Float 16 bits , 32Bits

 Node-Red ModBus Wite INT 16 bits , 32Bits ,  Float 16 bits , 32Bits , Read NT 16 bits , 32Bits ,  Float 16 bits , 32Bits

FC=3  , FC=6 , 16 

Modbus 部分功能碼

代 碼	中文名稱	寄存器 PLC 位址	位操作/字操作	運算元量
01	讀  數字量輸出	00001-09999	位操作bit	單個或多個
02	讀  數字量輸入	10001 -19999	位操作 bit	單個或多個
03	讀  模擬量輸出	40001-49999	字操作 16bits	單個或多個
04	讀  模擬量輸入	30001-39999	字操作16bits	單個或多個
05	寫  單個數位量輸出	00001-09999	位操作 bit	單個
06	寫  單個模擬量輸出	40001-49999	字操作16bits	單個
15	寫  多個數位量輸出	00001-09999	位操作 bit	多個
16	寫  多個模擬量輸出	40001-49999	字操作16bits	多個

 

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