/// <summary>
 /// Read all RCB values from the server - asynchronous version
 /// </summary>
 /// <returns>the invoke ID of the request</returns>
 /// <param name="handler">user provided callback function</param>
 /// <param name="parameter">user provided callback parameter</param>
 /// <exception cref="IedConnectionException">This exception is thrown if there is a connection or service error</exception>
 public UInt32 GetRCBValuesAsync(GetRCBValuesHandler handler, object parameter)
 {
     return(iedConnection.GetRCBValuesAsync(GetObjectReference(), this, handler, parameter));
 }