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Gnd plane restrictions

Former Member

I'm new to Eagle Light, and really like it.

 

I would like to define a solid ground plane that accepts only gnd connections, and prevent the autorouter from placing any other signals or traces from cutting across it. How do I do that?

 

I used a polygon on the bottom layer and named it GND. When I run autorouter, it connects Gnd signals just fine from the Top layer; but it also draws other nets across the bottom layer.

 

Thank you for your help,

 

Steve

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    On 28.02.2013 22:40, Steve Magoon wrote:

    I'm new to Eagle Light, and really like it.

     

    I would like to define a solid ground plane that accepts only gnd connections, and prevent the autorouter from placing any other signals or traces from cutting across it. How do I do that?

     

    I used a polygon on the bottom layer and named it GND. When I run autorouter, it connects Gnd signals just fine from the Top layer; but it also draws other nets across the bottom layer.

     

    Thank you for your help,

     

    Steve

     

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    http://www.element14.com/community/message/70966#70966/l/gnd-plane-restrictions

     

     

    Change the settings for the Autorouter:

     

    Switch off all Optimize passes, then

    in the Route tab:

     

    cfVia = 0    Vias are welcome

    mnVia = 1    Max. one via per connection

    mnSegments  =  2..3  Short tracks

     

    Select the GND signal only and start routing.

     

    Might help.

     

    --

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    Richard Hammerl

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