[PCB_FORUM] Re: Component disappearing from board while importing logic
- From: Matt Dunn <mdunn@xxxxxxxxxxxxxx>
- To: icu-pcb-forum@xxxxxxxxxxxxx
- Date: Mon, 21 Mar 2005 11:45:02 -0500
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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