public float?ReadFloat(String addr)
{
if (IsDoubleAddr(addr))
{
var recData = ReadAddr(ModbusFunCode.READ_REGISTER, 2, ConvertFatekAddrToModbusAddr(addr.Substring(1)));
return(ByteUtil.BytesToSingle(recData[1], recData[2], recData[3], recData[4]));
}
else
{
ErrorMessage = "地址格式不正确";
return(null);
}
}