It has it's problems, usually associated with updating footprints, deleting the old footprint from the pcb first is the best workaround.
This is usually caused by replacing a device with a new schematic part and associated footprint that differs in the number of connections (pins/pads) than the replaced part. Updating footprints with the same number of pads does work. I like the synchroniser, but on rare occasions I have found that two passes are required to fully sync with the PCB, unfortunately due to the rarity of theses events I have not worked out the cause yet. I always do an extra pass of "Update PCB" just to make sure. Not sure about clearing the handles. Perhaps someone else may elucidate further. Tom. > -----Original Message----- > From: Dennis Saputelli [mailto:[EMAIL PROTECTED]] > Sent: Thursday, 3 October 2002 11:07 > To: Protel EDA Forum > Subject: Re: [PEDA] P99SE SP6 Problem with Update PCB generating > duplicate nets or ot her errors. > > > i don't know but i will say that i am very much a latecomer to using > update PCB > it does seem pretty cool, but i got a few spooky things just like this > and went back to the old netlist load > > the board wasn't huge > > is there a way to destroy the handles it creates ? > (or maybe that doesn't matter) the thought i am trying to promote here > is what about going back to the old netlist load? > > Dennis Saputelli > > > Brad Velander wrote: > > > > Hi all, > > I have a layout that is a little different than our > norm in terms of > > size and complexity. This seems to be causing some problems > that I don't > > normally see. > > > > I have four schematic pages in a flat hierarchy. I have > used nets and ports > > global, I actually don't have any ports used at all just > the netnames. > > When I run the Update PCB I get errors reported for > adding nets that > > already exist. If I run the update anyway I get multiple > occurrences of > > these nets showing up in the PCB netlist manager. The nets > involved are all > > nets where I have used a netname on one sheet to tie a signal to the > > intended connection on the other sheet. So yes there are > duplicate netnames > > (the same netname) within the schematics but they are > needed to provide > > connectivity. > > What is wrong? How can I fix this? > > The first time that I ran the update, I deleted the > offending net > > duplications from the preview macros window. On that > occasion I also got an > > access violation near the end of the update process. > Looking in the PCB file > > I discover that the initial components have been placed by > the update > > function in the upper right corner as usual. However the > components appear > > to run right off the page past the 100 inch limit of the > database. I am not > > sure if anything might have been dropped because it ran > past the 100 inches. > > So I move the parts down close to my PCB outline and run > update again. I get > > the same duplicated net error but I do see some net > connections being made > > that obviously weren' t made during the first pass. > Possibly because of the > > access violation near the end of the first update? This is > not a very large > > design compared to some you guys work on, is this common > behaviour placing > > parts out past or at least to the 100 inch limit? Is there > a chance that > > something is screwed because of this part loading out to or > near the 100 > > inch limit? > > > > I also just tried running update again for a third > time. It is still > > adding 2 more net connections to device pads! Why weren't > these added in > > either of the two previous updates? > > > > I am just so leery that something is drastically > wrong at the moment > > and that I can't trust the database. I hope someone has had similar > > experiences and has an answer or advice. > > > > Sincerely, > > Brad Velander. > > > > Lead PCB Designer > > Norsat International Inc. > > Microwave Products > > Tel (604) 292-9089 (direct line) > > Fax (604) 292-9010 > > email: [EMAIL PROTECTED] > > http://www.norsat.com > > Norsat's Microwave Products Division has now achieved ISO 9001:2000 > > certification > > -- > ______________________________________________________________ > _____________ > www.integratedcontrolsinc.com Integrated Controls, Inc. > tel: 415-647-0480 2851 21st Street > fax: 415-647-3003 San Francisco, CA 94110 > * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 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] * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
