Friend here is my take on this for Raspberry pi and Ubntu/debian systems I do not run on synology, sorry all documented in the code if you need positive confirmation, redirect the echo commands to /var/log/syslog hope someone benefits. Thanks a lot erem To make it working I had to modify your code ...

Hello, I want to add to my Domoticz energy meter Itron Calorimeter Actaris Echo II, CF51 or CF55 to measure the energy generated by my heat pump and thus be able to monitor temperatures, flow and especially control the performance/yield of the whole set. For electrical interface, I do not have any ...