[PCB_FORUM] Re: hardware on sch
- From: "Naren" <naren@xxxxxxxxxx>
- To: icu-pcb-forum@xxxxxxxxxxxxx
- Date: Sat, 18 Jun 2005 09:37:47 +0530 (IST)
Hi Mr. Jan
I didn't find any CLASS which can be defined as "mechanical"
Can you clarify it please !
Noble, Jan said:
> No problem. Make up a simple logic part, CLASS MECHANICAL, and you can
> put anything on the schematic.
>
> Jan Noble
> EPSD Product Change Coordinator
> Shasta C3/D2, Tiger2
> Langley/Mullins, Eco-Systems
> 253-371-6197 - desk
> 253-416-0307 - pager
>
> May 2005.
> Saluting Laura Ingalls (1867 - 1957), wife to Almanso Wilder, author of
> the 'Little House' books.
>
> Those who cast the votes decide nothing. Those who count the votes
> decide everything. -- Josef V. Stalin
>
> -----Original Message-----
> From: icu-pcb-forum-bounce@xxxxxxxxxxxxx
> [mailto:icu-pcb-forum-bounce@xxxxxxxxxxxxx] On Behalf Of Eric Hufstedler
> Sent: Friday, June 17, 2005 4:37 PM
> To: 'icu-pcb-forum@xxxxxxxxxxxxx'
> Subject: [PCB_FORUM] Re: hardware on sch
>
>> Group: We would like to put some type of dummy footprint in
>> sch for screws and washers, for BOM puposes. Anyone out there
>> doing something similiar.
>> thanks Sam
>
> Here is everything i have on the subject. The "I"'s are not all me.
>
> eric
>
> -----------------------------------------------
> THE BEST WAY:
>
>> We do it all the time for non-electrical parts like screws,
>> etc that
>> we want on the BOM generated in Capture but not to
>> show up in Allegro at all.
>>
>> Just create schematic symbol with no pins and include a PCB
>> Footprint. The key is having something in the PCB Footprint
>> property. We always use MECHANICAL for a footprint for these
>> types of parts and use HW? For a refsed. These parts will not
>> show up in the netlist and Allegro will know nothing about them.
>
> result:
>
> #2 Warning [ALG0060] No pins are present in MNT1. Ignoring this
> component in
> netlist.
>
>
> -----------------------------------------------
> -----------------------------------------------
> HAVENT TRIED
>
> - Place the part(s) on a page that is not connected to the root
> schematic.
>
> - CIS BOM : when creating the BOM, you will have to attach this section
> of
> hiearchy to the rest of the design
> (with a hierarchical block for example).
>
> -----------------------------------------------
>
> Try "COMMENT_BODY=TRUE".
> I have used this to keep the part from Allegro. But I am not sure if it
> shows up in the BOM?
> To remove from the BOM we use "BOM_IGNORE=TRUE"
> Mark
>
> -----------------------------------------------
> -----------------------------------------------
> -----------------------------------------------
> I COULDN'T GET THESE TO WORK:
>
> To: Eric
>
> I spoke with a couple of other techs that are more familiar with
> Allegro,
> and there are "work-arounds" that you could try:
>
> Add the PSPICE_ONLY (=TRUE) property to the part(in the Cadence-allegro
> property filter) and the
> Allegro netlister should ignore it.
>
> You might test this with a small sample. If this doesn't work, I would
> try
> contacting an Allegro
> AE, or creating a support request for Allegro, to see if there is
> something
> specific we can do in
> Allegro for "mechanical parts"
>
> ---
> Maybe this will work (but i think it only works in capture bom, not cis
> bom).
>
> The answer is YES is has to be in upper case (capitol) letters. I just
> tried
> it and it works great.
> Is it case sensitive, does it have to have the quotes around it?????
>
> 1.Use property "PSpiceOnly" = "TRUE"
>
> -----------------------------------------------
>
> Try imbedding the attribute "pack_ignore" with a "true" value in your
> symbols.
>
> -----------------------------------------------
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