ECAD > Importing ECAD Databases > To Assign or Rename a Reference Designator
  
To Assign or Rename a Reference Designator
You can assign or rename a reference designator in the Model Tree columns.
1. In an open assembly click > Tree Columns. The Model Tree Columns dialog box opens.
2. Select ECAD Params from the Type list.
3. Click ECAD_REF_DES from the list and >> to move it to the Displayed list.
4. Click OK. The reference designators for the parts appear in the Model Tree ECAD_REF_DES column.
5. Click the ECAD_REF_DES cell for the part and type a new name to assign or rename the reference designator.
When you export the component with the assembly, it is exported with the new name.
 
If you do not specify a reference designator for a new component that was placed in Creo Parametric, and you use IDF to export the assembly, the neutral file uses the NONAME tag as the reference designator for that component. When you import the same neutral file back into Creo Parametric, it does not recognize the component as the original. Instead, it uses the information in the neutral file to place a new component in the assembly. As you have not specified one, the reference designator for this new component is not present.
If you do not specify a reference designator for a new component that was placed in Creo Parametric, and you use IDX to export the assembly, a new ID is created.
You can rename a reference designator in Assembly mode but you cannot remove the text note.