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How do I prevent components from being unrouted in Pads Layout during library update

Question asked by larry.gronmeyer on Feb 4, 2016
Latest reply on Feb 4, 2016 by chuckt

Hi,

 

This may be an easy question, but it is causing us fits.  We are using DxDesigner VX.1 and Pads Layout VX.1.

 

Scenario:

We recently had a board almost completely finished and ready for a final review.  As librarian, I modified the silkscreen on an IC so that the Pin1 marker was a label and not a graphic (so we can move it in the layout).  When my board designer did a forward annotation to update the library, the IC was ripped up along with all the routed tracks and was left with a rat's nest.

 

Why?  Nothing changed in the part that would require a reroute.  We've tried gluing the part and protecting all routes.  Neither works.  There has got to be a way to do this without losing a day's work everytime.

 

BTW, we are new to PADS.

 

Thanks,

 

LarryG

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