To everybody so far; thanks for your quick answers!
The answer for me is the combination of the answers. I put in the midi cv module and selected p24 and tried it but no succes, there was no sync and the impromptu was still master. Then with the help of @Eurikon I watched the clip and opened a cv output on a midichannel in Ableton, followed the settings as showed in the clip and then it worked! At the moment I start Ableton to play the tempo synced on the impromptu. But not like it was showed in the clip because you can see that there’s no midi cv module and it’s working in the clip but as soon I removed the midi cv module nothing happend so also that module is needed in this case.
Thank you all for your help!