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Change component references and back annotation

Leotordo

Hello.

I've a PCB (Orcad PCB) with connectors named: J1, J2, U3 (!), U4....schematic also have it.

I want to change ref. designator into CN1, CN2, CN3

If I do it from schematic side I found component unplaced.

Some idea?

Thanks

Stefano

  • Robert Finley

    The majority of pcb layout tools do this by design.

    An option is to export placement as an EMN/IDF file, make the schematic-driven refdes change, change these desigs in the EMN file, import back into layout after the schematic change.

  • redwire

    Simple.  Just edit the text of the reference designator in OrCad PCB and then backannotate to OrCAD schematic.  If you forward annotate from OrCAD schematic you will run exactly into the problem you have seen.

  • Leotordo
    in reply to redwire

    thank you very much

    Stefano

  • Leotordo
    in reply to redwire

    just tried. it works

    thank you

    Stefano

  • Robert Finley
    in reply to redwire

    Had no idea we could do that.   Thanks!

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