Cut2dpro is the wrong software if you are wanting to cut using a plasma. It's tool paths are designed for using cutting tools, not a plasma jet which has different requirements, like pierce height, cut height, and several other things.
But in any case, I think you misunderstand the process because you don't add cutting nodes to an SVG or DXF.
The process goes like this.
Create a DXF file using Either Photoshop or Inkscape then load into a CAM software suitable for plasma, in this case, Sheet Cam.
Now import the DXF into Sheet Cam and use the lines to create the tool paths, you'll more than likely need to create several layers in sheet Cam using the contours tool to separate different areas like holes, etc as they will need an inside offset, whereas a profile shape will need an outside offset, etc.
If you can't do what I said in the last post then just use Inkscape's trace option on the Photoshop image to get your vectors. Then save as a DXF.
Now load this into sheet cam to get your tool paths.
