In Node-RED, there is a Relay node, that seems it can control MPPT relays. But it's not the case, this feature has not been fully implemented in VictronConnect.
Currently it is not possible to control the relay in a MPPT Solar Charger, even though there is a Victron node offering such functionality. The reason it doesn't work, is that VictronConnect does not have the required “Manual control” option in the list of selectable Relay modes for the MPPTs. This will be fixed at some point.
So, in reality, it's not possible to control the relay now.
Please, could you guys in Victron implement that for us? I see a lot of people around me, who would love this feature.
The relays on Cerbo work great in Node-RED, I love that possibility.
Thank you very much, Vojtech