Karl Voit 
If somebody is trying to integrate #Victron #VictronEnergy #ESS #CerboGX via #Modbus into #HomeAssistent:
Most documentation I could find is broken because the syntax used in the HomeAssistent YAML files has changed.
You should take a look at this thread in order to notice the different structure as well as keywords: https://community.home-assistant.io/t/problem-with-modbus-switches-victron-after-update/316766 #PV
Problem with modbus switches (Victron) after update
Hello. I have this problem and I am not able to solve it. I use the modbus component to read sensors info and switch some functions in my Victron Energy inverter/charger. It has been working for almost two years flawless but after last update I only can read the sensors and the switches are gone. I have tried several configurations without success. I see in last update something change in modbus but more relative about how to configure it. Here my error log: Logger: homeassistant.components....