예제 #1
0
        protected override void InitializeUnique(byte[] frame)
        {
            if (frame.Length < MinimumFrameSize + frame[10])
            {
                throw new FormatException("Message frame does not contain enough bytes.");
            }

            byte[] readFrame  = new byte[2 + 4];
            byte[] writeFrame = new byte[frame.Length - 6 + 2];

            readFrame[0] = writeFrame[0] = SlaveAddress;
            readFrame[1] = writeFrame[1] = FunctionCode;

            Buffer.BlockCopy(frame, 2, readFrame, 2, 4);
            Buffer.BlockCopy(frame, 6, writeFrame, 2, frame.Length - 6);

            _readRequest  = ModbusMessageFactory.CreateModbusMessage <ReadHoldingInputRegistersRequest>(readFrame);
            _writeRequest = ModbusMessageFactory.CreateModbusMessage <WriteMultipleRegistersRequest>(writeFrame);
        }
예제 #2
0
        public ReadWriteMultipleRegistersRequest(
            byte slaveAddress,
            ushort startReadAddress,
            ushort numberOfPointsToRead,
            ushort startWriteAddress,
            RegisterCollection writeData)
            : base(slaveAddress, Modbus.ReadWriteMultipleRegisters)
        {
            _readRequest = new ReadHoldingInputRegistersRequest(
                Modbus.ReadHoldingRegisters,
                slaveAddress,
                startReadAddress,
                numberOfPointsToRead);

            _writeRequest = new WriteMultipleRegistersRequest(
                slaveAddress,
                startWriteAddress,
                writeData);
        }