Victron Energy VE.Bus bms
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The vE.Bus bms from victron Energy (mpn) is a battery management system perfectly designed for victrons lithium batteries with vE.Bus connection, but can also work with equivalent batteries from other manufacturers. Each individual cell of a LiFePO4 battery must be protected against overvoltage, undervoltage and overtemperature. This is exactly the task performed by the ve.bus bms. The product is suitable for protecting 12v, 24v and 48v battery banks and operates over an operating voltage range of 9 - 70 vDC.
vE-BUS bms in interaction with victrons LiFePO4 batteries
victron LiFePO4 batteries have built-in cell balancing, temperature and voltage control (English abbreviation: btv) They are connected to the vE.Bus bms via two m8 circular connector cable sets. The BTvs of several batteries can be daisy-chained together. Up to five batteries can be connected in parallel and up to four batteries in series (BTvs are simply daisy-chained), so that a 48 v battery bank with up to 1500 Ah can be assembled. For more details, please refer to the technical documentation of our LiFePO4 battery.
Core tasks of the victron vE.Bus bms
- Switching off or disconnecting loads in the event of imminent undervoltage
- Reduce charge current in case of imminent cell overvoltage or overtemperature (only for vE.Bus products)
- Switching off or disconnecting battery chargers in the event of an imminent cell overvoltage or excess temperature
communicates with all vE.Bus products
The vE.Bus bms can be connected to a MultiPlus, Quattro or Phoenix inverter device. The connection is made via a standard rj45 UTP cable.
The vE.Bus bms in interaction with other batteries
LiFePO4 batteries from other manufacturers can be controlled with the device as follows:
"Load Disconnect"
The Load Disconnect output is normally high and is set to free floating when cell undervoltage is imminent. Maximum current: 2A.
The Load Disconnect output can be used to control the following functions:
- remote on/off switching of a load and/or
- remote on/off switching of an electronic load switch (BatteryProtect) )
"Charge Disconnect" (charge disconnect)
The Charge Disconnect output is normally high and will free float when a cell overvoltage or overtemperature is imminent. Maximum current: 10 mA.
The Charge Disconnect output can be used to control the following functions:
- remote on/off switching of a charger
- and/or a Cyrix-Li charger relay
- and/or a Cyrix-Li-ct battery coupler
Scope of delivery:
1x victron Energy bms300200000 vE.Bus bms Battery Management System
1x user manual