"RF680M" software9.5 The functions in the "Tag" menuSIMATIC RF680M Mobile ReaderOperating Instructions, 06/2011, J31069-D0241-U001-A2-7618 679.5.7 Write IDYou can change the ID of a tag using the function "Write ID".Select "Tag > Write ID" for this purpose. The following window is displayed.Figure 9-9 "Write ID" windowEnter IDEnter the desired ID.It must be possible to divide number of ID characters by four.Transferring the ID to the transponderClick the "OK" button to transfer the ID to the tag."Access Password" fieldWhen the tag to be written is protected with an access password, you must enter thepassword in the "Access Password" field.NoteOnly keep one tag in the scanning range of the SIMATIC RF680MEnsure that only one tag is in the scanning range of the SIMATIC RF680M when the tag IDis being written. Otherwise, the tag will not be written.9.5.8 Locking data areasYou can lock a tag by means of the "Lock Tag" function.