Is there any way a net label on the ground could make it local? Jeff Condit
----- Original Message ----- From: "Leo Potjewijd" <[EMAIL PROTECTED]> To: "Protel EDA Forum" <[EMAIL PROTECTED]> Sent: Tuesday, June 01, 2004 3:03 PM Subject: Re: [PEDA] Toggling Netlist Macros in 99SE SP6 (continued...) > Steve, > > I've got 2 eurocents for you: > > >Using explicit sheet-port connectivity, but GND power symbols should be > >common regardless. > > In the really old OrCad days, when DOS ruled, the sheet ports (local) took > precedence over power symbols (global). That was the only way to isolate > power nets on sheets (parts had mostly hidden power pins in those days). > Come to think of it, how would you go about isolating a power net (with > hidden power pins in it) on a single sheet in a hierarchy when all power > symbols are always global? > > >One GND net relates to the top-level sheet and three subsheets; the other > >net seems to be all the GND connections for the most recently-created > >sheet, which is properly nested under the top > >sheet in the Explorer panel. > > As I would expect (see above). But then again, I still occasionally use > those antiquated programs..... > > >In trying to turn on the trace option ... ... ... no recently generated > >files that could be the output. > > Can't help with the trace file problem, that's _way_ to modern for me...;) > > >In the interest of getting this project moving forward, I added a port > >connected to a Gnd power symbol on the throublesome sheet, and added a > >corresponding sheet entry on the parent sheet, connected to a Gnd power > >object there. Now the netlist works fine, with the "two" GND nets > >connected together. What could I have done differently on that sheet? > > Maybe you used a part that has a sheet path (in the old days known as a > 'sheet part')? > As I understand it (and please correct me when I am mistaken) you can > create parts from sheets, like a schematic of a specialised power opamp or > so that shows up on the schematic just like a standard opamp. > That just might confuse the connectivity scheme enough to produce the > double net... > > Almost forgot: are you sure there is no upper/lowercase or zero/O mixup? > That one cost me several hours once to find...... > > I hope this will help to solve the problem.... > > Leo > > > * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * To post a message: mailto:[EMAIL PROTECTED] * * To leave this list visit: * http://www.techservinc.com/protelusers/leave.html * * Contact the list manager: * mailto:[EMAIL PROTECTED] * * Forum Guidelines Rules: * http://www.techservinc.com/protelusers/forumrules.html * * Browse or Search previous postings: * http://www.mail-archive.com/[EMAIL PROTECTED] * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
