SDM-220 mit EasyModbus in C# auslesen?

static void Main(string[] args)

{

  EasyModbus.ModbusProtocol p = new ModbusProtocol();

  EasyModbus.ModbusClient c = new ModbusClient("COM3");

  c.Baudrate = 9600;

  c.Parity = System.IO.Ports.Parity.Even;

  c.StopBits = System.IO.Ports.StopBits.One;

  c.UnitIdentifier = 1;

  c.Connect();

  int[] voltage_register = new int[2];

  int[] current_register = new int[2];

  float voltage = new float();

  float current = new float();

  float power = new float();

  while (true)

  {

    if(Console.KeyAvailable)

    {

      ConsoleKeyInfo key = Console.ReadKey();

      if (key.Key == ConsoleKey.Enter)

        break;

    }

    voltage_register = c.ReadInputRegisters(0, 2);

    voltage = ModbusClient.ConvertRegistersToFloat(voltage_register, ModbusClient.RegisterOrder.HighLow);

    System.Threading.Thread.Sleep(10);

    current_register = c.ReadInputRegisters(6, 2);

    current = ModbusClient.ConvertRegistersToFloat(current_register, ModbusClient.RegisterOrder.HighLow);

    power = voltage * current;

    Console.WriteLine("============================================");

    Console.WriteLine(DateTime.Now.ToString());

    Console.WriteLine("Spannung: " + voltage.ToString() + " V");

    Console.WriteLine("Strom:    " + current.ToString() + " A");

    Console.WriteLine("Leistung: " + power.ToString() + " W");

    System.Threading.Thread.Sleep(1000);

  }

  c.Disconnect();

  Console.WriteLine("Fertig");

  Console.ReadLine();

}