code: public static RawFrame createPL110(byte[] data, int offset) throws KNXFormatException
  	{
  		if ((data[0] & 0x10) == 0x10)
  			return new PL110LData(data, offset);
  		return new PL110Ack(data, offset);
  	}
docs: Creates a raw frame out of a byte array for the PL110 communication medium.
  <p>
  
  @param data byte array containing the PL110 raw frame structure
  @param offset start offset of frame structure in <code>data</code>, 0 &lt;=
  offset &lt; <code>data.length</code>
  @return the created PL110 raw frame
  @throws KNXFormatException on no valid frame structure