[PCB_FORUM] Re: Soft to hard location (Concept v.15.1)
- From: "Patricia Mayer" <pmayer@xxxxxxxxxxxxx>
- To: <icu-pcb-forum@xxxxxxxxxxxxx>
- Date: Fri, 10 Jun 2005 10:37:48 -0700
Hey Mark,
In Concept under File>Export Physical, in the Package Option area, click
Preserve. That will retain your reference designators during re-packaging.
Don't you just hate to see all your components fly off the board after a
schematic change?
Pattie
@};--
Senior PCB Designer
Ditech Communications
-----Original Message-----
From: icu-pcb-forum-bounce@xxxxxxxxxxxxx
[mailto:icu-pcb-forum-bounce@xxxxxxxxxxxxx]On Behalf Of Mark Salberg
Sent: Friday, June 10, 2005 10:17 AM
To: icu-pcb-forum@xxxxxxxxxxxxx
Subject: [PCB_FORUM] Re: Soft to hard location (Concept v.15.1)
Kevin,
We always hard locate ref des in Concept because we had been told that
if you do not, Cadence can change the ref des while re-packaging at a
later time.
This "soft location thing" never made any sense to us.
If anyone from Cadence is out there, can you explain WHY reference
designator are not always HARD LOCATED. This is done if you assign
designators in the schematic manually. We especially have to do this on
multi sectioned gates / components to ensure all sections package into
one IC.
And...while I am at it, it allows you to define duplicate designators
which then fails the packager.
Kevin, if you have all ref des soft located...you have never ran across
any unexpected ref des changes in Allegro?
I have been warned of this many times. To the point that I always hard
locate.
I would love to find out the rhyme or reason behind this.
Regards,
Mark
Kevin McCowan wrote:
> I know this isn't an answer, but why do you want the
> locations to be hard. I've found them to cause
> me grief over the centuries. Maybe I can still learn
> a thing or two.
> Oh, and I don't think there is a better way. Maybe a setting
> that makes it put them on as hard. And on your 2nd question,
> I think you need to package to get the refdes's, don't you?
>
> Kevin McCowan
> Sr. PCB Designer
> TSI Telsys
>
> Mark Salberg wrote:
>
>> Is there an easier way to hard locate reference designators in Concept?
>> When allowing Concept to assign ref des.
>>
>> We are still doing the old,
>> find $LOCATION on each page.
>> Change "group" A
>> Ctrl E
>> find / replace $LOCATION with LOCATION
>> save text file
>> save schematic page
>>
>> There should definitely be a better way!
>>
>> Also, is there a file (prior to packaging to Allegro) that lists all
>> ref des used?
>> We usually package, then run a component report to see.
>>
>> Thanks,
>> Mark
>>
>>
>> _____________________________________________________________________________
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