Author Topic: Swapping pins on passives - what is the easiest way?  (Read 5187 times)

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Offline peter.mitchellTopic starter

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Swapping pins on passives - what is the easiest way?
« on: February 28, 2014, 06:04:53 am »
I've been using Altium for a fair while now and have never really bothered to look into it, but for passives like resistors, inductors, ceramic caps, is there an easy way to automatically allow pin swapping?
I understand you can define pin swapping configs for components and pin groupings/pair groupings, but that would be a bit of a pain to do for every passive on every layout.
The reason it comes to mind now specifically is that I am using a few non-symmetrical passives, so i can't just rotate the part 180 degrees, instead I just rotate it 180 degrees in the schematic and then update pcb from schematic.
Is there an easier/quicker way or is that probably as fast/easy as it gets?
 

Offline Psi

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Re: Swapping pins on passives - what is the easiest way?
« Reply #1 on: February 28, 2014, 06:07:13 am »
I just 'copy' an existing component and 'paste' it into my own library then change the pins and then use that.
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Offline peter.mitchellTopic starter

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Re: Swapping pins on passives - what is the easiest way?
« Reply #2 on: February 28, 2014, 08:22:13 am »
I just 'copy' an existing component and 'paste' it into my own library then change the pins and then use that.
fair enough; i thought there may just be a simple option for setting polarized passive vs non-polarized passive, and thus allowing either pin to either net. i'll show you a small example;
In this situation, i would normally rotate the inductor in the schematic to allow the pins to align i just thought there might be an easier way.
 

Offline poorchava

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Re: Swapping pins on passives - what is the easiest way?
« Reply #3 on: February 28, 2014, 09:47:14 am »
You may try to flip component over X or Y axis using 'x' and 'y' buttons, but I remember there was an annoying window popping up if you did that in pcb editor, asking if you are sure (fair enough - this is fatal for most types of components).
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Offline peter.mitchellTopic starter

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Re: Swapping pins on passives - what is the easiest way?
« Reply #4 on: February 28, 2014, 10:18:08 am »
You may try to flip component over X or Y axis using 'x' and 'y' buttons, but I remember there was an annoying window popping up if you did that in pcb editor, asking if you are sure (fair enough - this is fatal for most types of components).

yeah, I thought of that, but i have some components that arent symmetrical so that won't work
 

Offline tszaboo

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Re: Swapping pins on passives - what is the easiest way?
« Reply #5 on: February 28, 2014, 03:41:59 pm »
Firs, your SCHlib must be configured for pin swapping, and write some meaningful information for each pin ("1"). Then make sure your schematic is updated from the library if you already work on the project. Work the SCH as usual. Then on the PCB, you have the option to swap the pins, by pressing TWI if you enable the pin swapping for that component first. Than press update schematic from the PCB editor.

I think it is a bit tedious, and I never used it for passives, but maybe I will give it a try, just to test how well it performs. The TWA seems to be useful after placement though.
 


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