Bedienungsanleitung Victron Cebro GX (Seite 28 von 59) (Englisch)

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Item Default Description

CAN-bus CAN-bus profile, Send data to VE.Can, Unique device number for VE.Can, Check unique num-

bers

I/O

Analog inputs On Available tank level sensors On/Off, Available Temperature sensors On/Off

Digital inputs Off Available Digital inputs Off, Door alarm, Bilge pump, Bilge alarm, Burglar alarm, Smoke alarm,

Fire alarm, CO2 alarm, Generator

When using a VE.Bus system, it is possible to configure the severity of problems on the VE.Bus system that should cause a notifi-

cation to show up on the Cerbo GX (and make it beep):

• Disabled: The Cerbo GX will never beep or show a notification

• Alarm only: The Cerbo GX will only beep and a show a notification when the VE.Bus system switched off in an alarm condition.

• Enabled (default): The Cerbo GX will beep and show a notification

When all done, don't forget to change the access level to user when required.

5.2. Battery State of Charge (SOC)

5.2.1. Which device should I use for SOC calculation?

There are three products types that calculate State Of Charge (SOC). The Cerbo GX itself does not calculate SOC, it only re-

trieves it from the connected devices.

The three products that calculate SOC are:

1. Battery Monitors, such as the BMVs, the Lynx Shunt, or the Lynx Ion BMS

2. Multi and Quattro inverter/chargers

3. Batteries with built-in battery monitor and a (mostly BMS-Can) connection to the Cerbo GX.

When to use what?

If you have a battery with build-in battery monitor, such as a BYD or Freedomwon battery; its easy. Use that.

If not, then the options depend on the type of system:

1. If the MultiPlus or Quattro inverter/charger is the only source of charge to the batteries and the only draw then it can function

as a basic battery monitor because it counts what went in and counts what comes out. No need for a dedicated battery such

as the BMV.

2. If the systems consists of an inverter/charger, MPPTs and a GX device, then there is still no need to add a dedicated battery

monitor.

3. For any other system types, such as a boat or vehicle with DC lights and other loads, a dedicated battery monitor will be

required.

5.2.2. The different solutions explained in detail

(A) Battery and Multi or Quattro (a typical backup system)

No battery monitor is required: the Multi or Quattro is the only product connected to the battery and has full control over all charge

and discharge currents. Therefore it can calculate the correct SOC itself.

Configuration:

1. Enable and configure the Battery Monitor in VEConfigure.

2. In the Cerbo GX, in Settings → System setup, verify the selected Battery Monitor. It should be set to the Multi or Quattro.

(B) Battery with Multi or Quattro and MPPT Solar Chargers -ALSO- An EasySolar with Cerbo GX built-in

No battery monitor is required, as long as all MPPT Solar Chargers are Victron products and are connected to the Cerbo GX. The

Cerbo GX will continuously read the actual charge current from all solar chargers, and send the total to the Multi (or Quattro)

which then uses that information in its SOC calculations.

Configuration:

1. Enable and configure the Battery Monitor in VEConfigure.

2. On the Cerbo GX, in Settings → System setup, verify the selected Battery Monitor. It should be the Multi or Quattro.

3. In the same menu, verify that the option 'Use solar charger current to improve VE.Bus SOC' is enabled. Note that this is not a

setting - it just an indicator of an automatic process.

Note that this feature requires recent firmware versions in both the Multis or Quattros (402 minimum), and the Cerbo GX (v2.06

minimum).

Cerbo GX Manual

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