Hi,
my experience is not directly linked to an Aeotec Multisensor but with Fibaro and others.
Whether it's the alarm system or my Fibaros, cats are lovely but they don't play well with PIRs.
When I got my alarm system fitted the security company told that it was 100% pet compliant... Only to ...

Hi,
I'm not too sure that the backup capability of Domoticz also covers the "hardware" part, considering that known nodes and network is actually data on the USB controller itself.

Please see this thread.
https://www.domoticz.com/forum/viewtopic.php?t=8498

What I did is to get a secondary ...

Hi,
got three of those, all running and sorry, never had such issue.
When you say "restart", do you mean Domoticz or the computer?

Did you try plugging it in a powered USB hub? Now, this said, one of mines is running on a CHIP computer... Definitely doesn't need much power.

Ka.