基于C#开发的同MODBUS TCP模块串行Communication例程

/// <summary>
/// 实例化 MODBUS 库
/// </summary>
/// <param name="tempAddr">默认的slave address</param>
/// <param name="tempNum">初始包Serial number</param>
public AndyModbusLib(byte tempAddr, ushort tempNum)

/*
生成data包
int addrTe = 读写的启始address
int cmdTe = function code
int lenTe =读出dataLength
byte[] msgBuf = 待写入的data的缓冲期，每个字占 2BYTE
int msgLen = 写入的dataLength
*********************************************************************/
public byte[] makeModbusTcp_Packaget(int cmdTe, int addrTe, int lenTe, byte[] msgBuf, int msgLen)

/*
Parse MODBUS RTU data包
int addrTe = 启始address
byte[] msgBuf = receive到的data的缓冲期，每个字占 2BYTE
int msgLen = receive到的的dataLength(BYTE)计算
*********************************************************************/
public int decodeModbusRtuMsg(int addrTe, byte[] msgBuf, int msgLen)

/// <summary>
/// 声明关于事件的委托,参数为要回传的data type
/// </summary>
/// <param name="cmd"> = function code</param>
/// <param name="msg"读出的numerical value</param>
/// <param name="len">Length</param>
public delegate void MDTCP_EventHandler(byte cmd, byte[] msg, int len);