Ok… after further study of the CMC PD MIDI implementation chart, I think you might be screw–er… out of luck…
Here’s what I would do to test it:
1.) Open an empty project
2.) Add a MIDI track to the project.
3.) Set the MIDI track input to “CMC PD Device Port 2”
4.) Record enable (or monitor) the MIDI track.
5.) Put a MIDI Monitor Insert in the MIDI inserts for the MIDI track.
6.) Go to that MIDI Monitor and turn it on (Power button in the plug in).
7.) Move your PD encoder and see what messages it’s sending.
8.) Try the same thing with “CMC PD Device Port 1”
The implementation chart is a bit incomplete when it comes to the PD controller, but the bottom line is that (on device port 2) it’s not sending incremental changes on the CC60 when you move the encoder counter clockwise. It MAY be doing it when you move it clockwise, though. The chart does not indicate that ANY information is being sent on Device port 1, but it’s possible that there is something there–hence you checking with the MIDI monitor.
In any case, it doesn’t look like the encoder itself is meant to be used in a generic MIDI setting–it looks like it’s set to output specific things that are inline with how Cubase wants to see them. And because of that, I suspect you’ll run into the same behavior with the encoder in any other DAW environment. It looks like only the pads themselves are really meant to be used outside of Cubase in a MIDI compatible way.
Again, since I don’t have the PD controller, I don’t know for sure. But try the above. Unless the controller is sending incremental CC messages on Port #1 for example (which the implementation chart does NOT indicate) I think you won’t be able to use it for the purpose you want.
Again, my CMC-QC works perfectly for this, but it has a dedicated “generic” MIDI mode specifically for the 8 encoders, and they send incremental control change messages as they should on the appropriate port when the QC is in MIDI mode. If you try to use the OTHER port (which is the dedicated Cubase specific messages), the encoders will only sent a “0” when you move the encoder Clock wise, and a “65” when you move it counterclockwise (this has to do with the lighting messages for the encoders on the QC). Your PD controller is probably doing slightly different, but similarly wacky things even though there is no light on its encoder.