It is possible to get the datagram information directly from the plugwise Smile P1 via:
http://<ip address smile>/smartmeter/telegrams
Reading Smile P1 datagram
Re: Reading Smile P1 datagram
Maybe this site give you more info?
phoenixinteractive.mine.nu/website/inde ... p/plugwise
phoenixinteractive.mine.nu/website/inde ... p/plugwise
My home automation blog: https://rutg3r.com