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Create detail , Cutouts , Assembly Drawing , Plotting

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Hello Everyone ,

I have some quetions ( Cadence Allegro PCB Editor Version 15.2) :

1) What exactly is the purpose or use of the create detail command?

2) When I use the command Manufacture---Variants---Create assembly drawing..,
 
I get a error messgae stating :

Loading variants.cxt
ERROR: Variants file 'variants.lst' not found!

And no output is generated ...

What exactly this means? Can anyone let me know ?

3)Regarding plotting , can anyone tell,  if we specify exact x and y co-ordinate for the position of plot ( layout ) on the paper? ( Most of the times it appears at the centre of the paper )

4) How can the cuouts be defined in the allegro PCB Editor ...By the way,  they can be defined on any layer ( eg. board geomety--outline layer or some other layer  ) , but  is there any specific layer on which cutouts on the board can be defined ? So that CNC routing program at the manufacturer's end would automatically recognise a cutout on the board( from the gerber file )?

I tried to add a rectangular cutout in the board in the Class Board geemetry and Sub class NC route_path and I tried generating a NC route file .....but when I viewed the log file , I had a message

 WARNING: Can't find NC Route bit file (ncroutebits.txt)!
          Using T01 to route ALL route cuts.

Is anyone familiar , where exactly is the ncroutebits.txt file is located and its purpose ?

(Only those slots were recognised by the NC route file those were defined using the pad designer......)

So let me know anyone has any idea about this?

Regards,
Prajakta.



Originally posted in cdnusers.org by psj

  • Hi Prajakta,

    ans 1) When ever you want to see an enlarged portion of any part of the layout we can use this command. Some time we can also place the details of more than one layer seperately next to each other using this command.
    Eg : assembly top and assembly bottom with text can be placed in same layers.

    Hope this helps you.


    Originally posted in cdnusers.org by eswar
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