Flow Meter(FML300-D SERIES) 제어 클래스 - C#

 

    public class FML300 
    {
        private readonly SerialPort commPort ;
        private readonly ModbusSerialMaster modbusSerialMaster ;

        public FML300(ModbusSerialMaster modbusSerial)
        {
            modbusSerialMaster = modbusSerial;
        }
        //---------------------------------------------------------------------------
        public FML300(SerialPort serialPort)
        {
            commPort = serialPort ;
            modbusSerialMaster = ModbusSerialMaster.CreateRtu(commPort) ;
        }
        //---------------------------------------------------------------------------
        public FML300(string portNumber)
        {
            try
            {
                commPort = new SerialPort(portNumber, 38400) ;
                commPort.Parity = Parity.None;
                commPort.StopBits = StopBits.One;
                commPort.ReadTimeout = 100;
                commPort.WriteTimeout = 100;
                commPort.Open();

                modbusSerialMaster = ModbusSerialMaster.CreateRtu(commPort) ;
            }
            catch
            {
            }
        }
        //---------------------------------------------------------------------------
        public bool InstantaneousFlowRate(byte DeviceAddress, ref double FlowRate)
        {
            bool result = true ;

            try
            {
                var buffer = modbusSerialMaster.ReadInputRegisters(DeviceAddress, 3, 1);
                FlowRate = buffer[0] ;
            }
            catch
            {
                result = false ;
            }

            return result ;
        }
        //---------------------------------------------------------------------------
        public bool FlowTemperature(byte DeviceAddress, ref double Temperature)
        {
            bool result = true ;    

            try
            { 
                var buffer = modbusSerialMaster.ReadInputRegisters(DeviceAddress, 4, 1) ;
                Temperature = buffer[0] ;
                if(Temperature > 6000) Temperature = 0;     // 물이 흐르지 않으면 온도가 큰값이 읽혀진다. 
            }
            catch
            {
                result = false ;
            }

            return result ;
        }
        //---------------------------------------------------------------------------
        public int FlowRateAndTemperature(byte DeviceAddress, ref double FlowRate, ref double Temperature)
        {
            int result = 0 ;    

            try
            { 
                var buffer = modbusSerialMaster.ReadInputRegisters(DeviceAddress, 1, 4) ;

                FlowRate = (double)buffer[1] / 100.0 ;
                Temperature = (double)buffer[2] / 10.0 ;

                if(Temperature > 6000) Temperature = 0;     // 물이 흐르지 않으면 온도가 큰값이 읽혀진다. 
            }
            catch
            {
                result = -1 ;
            }

            return result ;
        }
        //---------------------------------------------------------------------------
    }