From my experience the Controllino had enough information on their website for me to get by.
I did have to do a bit of trial and error to better understand how it all worked.
Could have had a bit more information, but I guess they are quite new.
Overall, I was quite impressed by the Controllino MAXI.
The Controllino MAXI is like having an Arduino MEGA with an Ethernet / Motor / Relay shield built into one device.
And I was extra happy when I found out how easy it was to connect to Cayenne. No issues at all.
Just selected Arduino MEGA as the board, Ethernet W5100, and the rest was a piece of cake.
This project was way to easy for the Controllino, I need to come up with a project that would really put it through its paces.
It was fun though.