After several months of waiting for denkovi to fix the polling time of there modules I gave up and started the search for new modules.
After some searching I found (be change) the new developped machinon on the domoticz facebook group.
This thing had everything I wanted, and all in 1 box!

But the main thing: what was the switching speed.
So I emailed eddie (the creator of machinon) if he could send my a confirmation that there were no delays like with the denkovi modules.
He mailed me the same day a video showing that his device worked perfectly.
Ok, how do I get one!!!!!!
Problem, the first 30 boxes are still being assembled 😦
So, again: waiting and hoping that I can buy one.