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| | | enum enModbusRTUCmd
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| | | {
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| | | None =0,
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| | | ReadCoils =1, //读线圈
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| | | ReadInputs =2, //读离散量输入
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| | | ReadKeepRegs =3, //读保持寄存器
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| | | ReadInputRegs =4, //读输入寄存器
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| | | WriteCoil = 5, //写单个线圈
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| | | WriteReg =6, //写单个寄存器
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| | | ReadExptStat = 7, //读取异常状态
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| | | ReadCoils =1, //读线圈
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| | | ReadInputs =2, //读离散量输入
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| | | ReadKeepRegs =3, //读保持寄存器
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| | | ReadInputRegs =4, //读输入寄存器
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| | | WriteCoil = 5, //写单个线圈
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| | | WriteReg =6, //写单个寄存器
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| | | ReadExptStat = 7, //读取异常状态
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| | | FetchCommEventCtr =11, //Fetch Comm Event Ctr
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| | | // 12 Fetch Comm Event Log
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| | | WriteCoils =15, //写多个线圈
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| | | WriteRegs = 16, //写多个寄存器
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| | | WriteCoils =15, //写多个线圈
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| | | WriteRegs = 16, //写多个寄存器
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| | | //17 Report Slave ID
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| | | //20 Read General Reference
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| | | //21 Write General Reference
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