What I do in such circumstances is define pins 1, 1A, 2, 3, and 3A in the
schematic component, and similar pads in the PCB component. And pins 1A and
3A (in the schematic component) should each have both their Name and
Designator strings hidden, and be placed in the same locations as pins 1 and
3 (respectively).

When you connect a wire to pins 1 and 1A (or to pins 3 and 3A) a junction
will be depicted (as that wire is joining two different pins), and that acts
as an alert that there is actually more than one pin residing at the
location concerned.

I have found that this method works very well, and to give credit where it
is due, I first heard of it from Abd ulRaham Lomax. (a number of years ago,
and on this mailing list).

Regards,
Geoff Harland.


> Hi,
>
> I have created a simple footprint for a component that supports 2
different
> physical packages ( a pcb-mount pot, 1 on 0.1" pitch the other on 0.2"
> pitch). The centre leg of both devices are common while the 2 pads on one
> side are common to each other as are the 2 on the other end. So the
> footprint has 5 pads, 1 common and 2 pairs.
>
> How do I create/define these pads such that Altium Designer DXP 2004
> automatically associates the appropriate netlist to each pair of pads? At
> the moment, if the pads are designated 1, 1, 2, 3, 3, it only picks one 1
> and one 3 meaning I have to go to every component using this footprint and
> assign nets to the empty pads. Which is fine until I do an update.
>
> The schematic for the component only has 3 pins (1, 2, 3) because there
are
> only 3 pins on the physical device.
>
> A similar situation occurs where it would be nice to have an extra pad on,
> say, a radial footprint to allow for a 0.1" or a 0.2" capacitor to be
> fitted. Again, 1 pair of pads needs to be common.
>
> Best Regards
>
> (Mr) Laurie Biddulph



 
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