Numerical Innovations - Help Center

Thanks for your fast response.  

1.  Different Pick/Place machines require different rotation requirements.  We try to make FAB 3000 compatible for all Pick/Place machines, so during Centroid Export you can control the output rotation from the settings "Angle Origin".  If you're getting 0 degrees on the backside (and want 180), set angle Origin to "9 O-Clock" when exporting Bottom components.


2.  The benefit of using View -> Backside is that it allows you to treat the bottom side rotations exactly like the Top.  One of the most confusing things when generating components is having to determine the differences in rotation between top and bottom.  Mastering top side, and then using View->Backside allows you to still use the exact same rotation rules on Top as on bottom.  Here's an awesome article that may be helpful regarding the rotations from Top and bottom that FAB 3000 uses:
https://numerical-help-guide.s3.amazonaws.com/understanding-the-centroid-file-r2-2.pdf

Note:  Feel free to send support (support@numericalinnovations.com) your sample workspace file (*.wrk), and we'll be happy to create a tutorial movie showing how to generate centroids using your design.

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I switched to bottom view, added components, set rotations and assigned reference designators. I did all this as if I was looking at the circuit board from the parts facing towards me.

I switched bottom view off and exported the centroid data.

When FAB3000 generated the data all the rotations are now backwards. Meaning that if in FAB3000 the rotation is 0, the exported centroid data shows a rotation of 180.

What did I do wrong?