I'm looking for confirmation that the digital inputs on Cerbo GX are 5VDC (as in will not support 12-15VDC). I saw this in one image but have not found further confirmation. If that is the case I would need to drive the inputs with relays that are triggered by the 12V action I wish to monitor.
2nd Question - With a Multiplus charger/inverter, smartshunt, MPPT, and lead acid batteries - exactly what active role does the Cerbo GX take? It looks like active roles are generator start (I'm not interested in this) and DVCC. DVCC with no ESS and lead acid, from the chart in the manual - continue to use internal charge algorithms. Unless I misunderstand what ESS is, but this installation is on a boat - nothing is going back into the grid. I see it can share voltage, current and temperature (perhaps someone can explain why this is critical or valuable vs using each devices own values).
I'm struggling to understand what the Cerbo GX will do for my setup. I'm already a SignalK user, so while the reporting and VRM is awesome, I already have that functionality. The hardware is nice, I can see value in the ease of installation, with the VE.direct ports and VE.can. Also the temperature and digital IO could be useful. So, I'm likely to purchase the Cerbo GX (without monitor), use it as a connectivity hub and pull the data into SignalK for display and graphing. I love the open source flexibility of Victron gear, and as such may opt to install SignalK and NodeRed on the Cerbo GX to run a small display in the salon, so I can report on both legs of my AC input.
I can justify Cerbo GX just for the hardware connectivity and extra inputs alone, but I would really like to understand how or if it will actually co-ordinate the MPPT and Multiplus to do a better job of keeping my batteries charged.
Please don't see this as argumentative, I'm simply trying to understand.
