There is a better way to fix this. To fix these components open the 0402
library component then select update PCB. This will update all the
components that list their footprint as 0402 to the correct land pattern.
I thought there used to be an update all footprints from library menu item,
but that may have been way back when there was only 1 footprint library
(PCB2 or 3). Now clicking UpdatePCB in the library editor just updates the
one footrpint you are looking at which is good and bad. It is good because
hitting updatePCB used to change everything to the patterns in that library
and if you had different patterns named the same (a big no-no) they could
change.
Rob
"Brad Velander" <[EMAIL PROTECTED]> on 05/24/2001 12:06:15 PM
Please respond to "Protel EDA Forum" <[EMAIL PROTECTED]>
To: "Protel EDA Forum List Server (E-mail)"
<[EMAIL PROTECTED]>
cc: (bcc: Rob LaMoreaux/DSPT)
Subject: [PEDA] Synchronizer: land pattern footprint fields change but the
land p attern stays the same?
Hi guys,
I have a goofy one that is really bugging me at the moment. I have
seen it before but not so bad and I just dealt with it under the
circumstances but now I want to understand what is happening.
I had a schematic design and basic component placement, then we
changed one part type in schematic (approx. 30 pieces). At the PCB level
this should have changed an 0603 cap to a 0402 cap. I used the synchronizer
to implement the changes to the placed PCB. The synchronizer changes listed
all the component footprint changes as expected. I ran the synchronization
and the land pattern footprint "fields" were changed, BUT the actual land
patterns did not change. I now have a bunch of 0603 cap land patterns which
list their footprint fields as 0402C. Yes I did have the "Update component
footprints" checkbox checked and the appropriate libraries were listed in
the DDB. I did not get any synchronizer errors listing "footprint not
found".
Now I have had to go into the components (in PCB) and globally edit
all these caps to a third land pattern and then change them back to the
desired land pattern. Why did the land patterns not change through the use
of the synchronizer?
Brad Velander,
Lead PCB Designer,
Norsat International Inc.,
#300 - 4401 Still Creek Dr.,
Burnaby, B.C., V5C 6G9.
Tel. (604) 292-9089 direct
Fax (604) 292-9010
website www.norsat.com
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