Nabsim
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Sorry that was an autocorrect typo, it should have said you CANThe Bulk/Absorption/Float info will be on the Charger Screens - so when you go to the MPPT Controller or the Multiplus Smart-BMS unit you will get info on that. The Open/Close is on the BMV-712 and is for the relay on the Shunt, as Neil says above.
You can indeed programme the relay on the BMV to activate and deactivate at different voltages and can be quite handy in fact. On my last camper, the Stripey Clarence, I used to activate the relay at a high SOC in order to turn on the electric water heater and then when the SOC dropped to a certain lower SOC, turn off the water heater.
Annie, you aren't using the relay for anything in your setup I think. (I would think at the very most 5% of BMV users have the relay connected).