For those asking about further customisation it has been 18 months since I did the CS file and I have forgotten most of the details but I am happy to share my approach.
- Use MIDI Monitor to tell you what MIDI the Faderport is sending to Logic and what MIDI Logic is sending to the FaderPort.
- Read the Logic Pro X Control Surface Support and understand "Controller Assignments Expert view” and particularly “Use zones and modes”.
- Always back up, version and document your .cs files as you go.
- Be prepared to spend some time if you don't have any programming experience.
It would be great if Presonus and Apple worked together and provided native support especially considering the FaderPort range has expanded with an 8 and 16 fader version, but I am not holding my breath ....