Which voltage reading is used by the Victron MPPT Charge Controller if I have a Battery Sense and SmartShunt connected to the same battery and VE network?
I may want to use the Battery Sense for the charging voltage since it is easier to dangle outside of my battery enclosure and the Battery Sense is located before the BMS. The Bluetooth signal is weak through the metal enclosure.
That (voltage source) can be selected in your Gx device.
What GX device? I don’t have one.
Are you using Victron Smart network then? Not sure about the answer to that…
Seems best to turn off the Bluetooth in the device you don’t want to send the voltage.. but that would prevent VE connect from working too. If both shunt and smart battery sense are located close to the battery terminals, then this should not matter too much any difference will be small.
Found:-
. If, by accident, two or more sensors (e.g. Smart Battery Sense and/or BMV) are connected to the same VE.Smart
network, a priority mechanism is used to decide which battery temperature, battery voltage and battery current should be used
by the charger. The priority mechanism is based firstly on the type of sensor (e.g. BMV has higher priority than the Smart
Battery Sense) and secondly on the serial number of the sensor. In the end, only one information will be used by the charger
If the MPPT can see the Smart shunt (bluetooth signal) then that will be used, if it can’t then the battery sense signal will be used. It is not intended for both to be connected at the same time.
Yeah, just using the regular Bluetooth VE network.
I was thinking about leaving the shunt off the network, but then the MPPT would be missing the current information and whatever else it provides. The shunt bluetooth connection with the MPPT may be intermittent if I attach it inside of the metal battery box. I haven’t actually tried it yet to see if I can tell what happens and if it really matters.
MPPT really only needs the Voltage, and Temp if lead batteries used.
Oh okay, I thought the current might be useful while charging (e.g. absorbtion to float) because my loads are connected to the battery and not the MPPT.