public List <byte> FuncWriteSingleRegister(UInt16 registerAddress, UInt16 value)
{
List <byte> bytes;
List <UInt16> data = new List <UInt16>();
List <byte> response = new List <byte>();
memoryMap.SetHoldingRegister(registerAddress, value);
data.Add(registerAddress);
data.Add(value);
bytes = Utility.ConvertListUInt16ToListByteBigEndian(data).ToList <byte>();
response.Add(0x06);
response.AddRange(bytes);
return(response);
}