Hello - Our business includes design of Electronic Circuit boards.  I have never understood how one can keep the integrity link between the actual Design file and the drawings it produces.
For example:  A board designed using Altium or PADS can output 1) PCB fab drawing, 2) Circuit Card assembly Dwg, and others.... Drawings can be revised independently of each other.  I wouldn't rev the PCB due to an assembly dwg note or assembly graphics change.  But since the design file has changed along with the Assembly dwg I would want to have any future PCB changes access that updated design file, the latest file, so as not to lose work. Logically I would want to update the linkage between the PCB Dwg and the design file at this time also? Is there a better way to do this?

I have read and worked closely to Watts "Eng Doc Control Handbook".  Up to now there hasn't been much to change, luckily.

Any suggestions would be wonderful.

RTaylor