CC7 Data in piano roll not corresponding with Kontakt

Cubase
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#1

Hi there,
I have a little bit of a problem with my CC7 “Main Volume” data. Whenever I put in max. values manually in the piano roll, it will only translate to about 50% loudness in the Kontakt Fader

Cubase Problem
Cubase Problem1948×960 296 KB

Hope the picture illustrates the problem. Does anyone have an idea how to fix that?
Cheers
Nicolas

#2

For whatever reason, NI makes it work like that.

I just assign a different CC to the volume slider using midi learn and I get the full range.