public TPoint[] ReadPoints(ushort id, ushort numberOfPoints)
     {
         _logger.LogDebug($"Received request to read registers with Id {id} and number of points {numberOfPoints}");

         // this is the start of the register you are reading from
         if (!_dataPollingService.DataMappings.TryGetValue(id, out var mapping))
         {
             throw new SlaveException($"register {id} does not exist in the mappings file.");                
         }
     }