[PCB_FORUM] Re: Component disappearing from board while importing logic

Yes to the 15.2 question.

Austin Franklin wrote:

>  Thanks Matt, I'm not sure what exactly caused the issue.  It wasn't
> missing device/padstack etc. as the parts were in place/manually, and
> I had no problem placing them manually.Have you guys moved up to 15.2
> yet?Regards,Austin
>
>      -----Original Message-----
>      From: Matt Dunn [mailto:mdunn@xxxxxxxxxxxxxx]
>      Sent: Monday, March 21, 2005 10:41 AM
>      To: icu-pcb-forum@xxxxxxxxxxxxx
>      Subject: [PCB_FORUM] Re: Component disappearing from board
>      while importing logic
>
>      Hi Austin
>
>      It should place the revised symbol even if it creates a drc.
>
>      The only things we've run into that will cause it not to
>      place are:
>
>      No device file, but then the netlist won't read in either.
>      No Symbol in the board or library.
>      A padstack used by the new symbol that is not in the board
>      or available in the library.
>
>      Austin Franklin wrote:
>
>     > Hi Matt,I had tried those options.  It may be, in my case,
>     > that if the footprint was changed in physical size, say,
>     > from an 0402 to an 0603 and the new footprint would create
>     > a DRC error and it won't place it.  If DRC is why, then I
>     > could turn DRC off and see.Regards,Austin
>     >
>     >      -----Original Message-----
>     >      From: Matt Dunn [mailto:mdunn@xxxxxxxxxxxxxx]
>     >      Sent: Monday, March 21, 2005 9:40 AM
>     >      To: icu-pcb-forum@xxxxxxxxxxxxx
>     >      Subject: [PCB_FORUM] Re: Component disappearing
>     >      from board while importing logic
>     >      Under inport logic, ther is an option block for
>     >      what to do with changed components.
>     >      Pick always and changed components will be
>     >      placed where they were, unless the symbol or a
>     >      padstack is not available.
>     >
>     >
>     >
>     >      Austin Franklin wrote:
>     >
>     >      > Hi Trilok,When you say you changed JEDAC, do
>     >      > you mean the physical symbol (PCB footprint)?
>     >      > If so, then it will do just as you say in my
>     >      > experience.  It only keeps placement of
>     >      > components that are the same physical symbol
>     >      > (and REFDES).  Unless there is an option
>     >      > somewhere that prevents it from doing that,
>     >      > it's the way it works.The way to avoid this,
>     >      > possibly, is to change the footprint manually
>     >      > by using "Logic/Part Logic" and changing the
>     >      > "Allegro Packages" for the parts you want to
>     >      > change.Regards,Austin
>     >      >
>     >      >      -----Original Message-----
>     >      >      From: Budathoki, Trilok (GE Consumer
>     >      >      & Industrial)
>     >      >      [mailto:trilok.budathoki@xxxxxx]
>     >      >      Sent: Monday, March 21, 2005 1:47 AM
>     >      >      To: icu-pcb-forum@xxxxxxxxxxxxx
>     >      >      Subject: [PCB_FORUM] Component
>     >      >      disappearing from board while
>     >      >      importing logic
>     >      >      Hi Everyone,Here's a  problem while
>     >      >      importing Logic in allegro. Board is
>     >      >      completely routed & I am re-importing
>     >      >      logic with minor changes, Some of the
>     >      >      components are disappearing from
>     >      >      board & appears on the Menu --> Place
>     >      >      -->Manual --> Components by ref
>     >      >      des.We have changed JEDAC only for
>     >      >      changed components. In Import logic,
>     >      >      I have tried all possible options.
>     >      >      This problem is both in Allegro
>     >      >      Designer & Expert. We use  version
>     >      >      15.2 Has anyone faced similar problem
>     >      >      & got any remedy.Thanks in
>     >      >      advance.Trilok Budathoki
>     >      >      GE - India Business Center
>     >      >      (: 91-40-27881731(Direct)
>     >      >      * : trilok.budathoki@xxxxxx
>     >      >
>     >      --
>     >      Matt Dunn
>     >      Director of Design Operations
>     >      Applied CAD Knowledge, Inc.
>     >      matt@xxxxxxxxxxxxxx  978-649-9800
>     >
>      --
>      Matt Dunn
>      Director of Design Operations
>      Applied CAD Knowledge, Inc.
>      matt@xxxxxxxxxxxxxx  978-649-9800
>
>
--
Matt Dunn
Director of Design Operations
Applied CAD Knowledge, Inc.
matt@xxxxxxxxxxxxxx  978-649-9800

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