[PCB_FORUM] Re: Component disappearing from board while importing logic
- From: "Budathoki, Trilok (GE Consumer & Industrial)" <trilok.budathoki@xxxxxx>
- To: <icu-pcb-forum@xxxxxxxxxxxxx>
- Date: Tue, 22 Mar 2005 17:07:40 +0530
Thanks Everyone for participating in discussion.
We had changed only few components in schematic, other components weren't
changed & the Ref des was same....
Anyway we took the earlier day's file & back annotated to get it fixed.....
it's unstructured solution....gotta find why it happened or it's a bug.
FYI, the latest ISR has fixed the bug in export of IPC.
Good day to you all
Trilok Budathoki
G.E - India Business center
Email: trilok.budathoki@xxxxxx
-----Original Message-----
From: Austin Franklin [mailto:austin@xxxxxxxxxxxx]
Sent: Monday, March 21, 2005 10:00 PM
To: icu-pcb-forum@xxxxxxxxxxxxx
Subject: [PCB_FORUM] Re: Component disappearing from board while importing logic
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
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