VE.Bus BMS V2
Product manual
Rev 01 - 10/2022
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Страница 1: ...VE Bus BMS V2 Product manual Rev 01 10 2022 This manual is also available in HTML5 ENGLISH ...
Страница 2: ... disconnect 9 3 3 6 Charging with an alternator 9 3 4 Remote on off terminal 10 3 5 GX device 11 3 6 Connecting a Digital Multi Control or a VE Bus Smart dongle 12 4 System examples 13 4 1 System with a GX device on off switch and pre alarm circuit 13 4 2 System with a SmartShunt BatteryProtect and solar charger 14 4 3 Basic system 15 4 4 System with an alternator 16 4 5 Three phase system with a ...
Страница 3: ...ation on the GX device and therefore not on VRM either Load disconnect The Load disconnect output is normally high and becomes free floating in case of cell undervoltage The Load disconnect output can be used to control The remote on off terminal of a load The remote on off terminal of an electronic load switch like a BatteryProtect preferred low power consumption solution Charge disconnect The Ch...
Страница 4: ...he battery is low for example due to an error the battery is in under voltage and the inverter charger is switched off This allows the system to be diagnosed remotely assuming the Internet is still available even when almost everything else is turned off See the Technical specifications 20 for the required power rating of an AC DC adapter True remote on off terminal The VE Bus BMS V2 needs to rema...
Страница 5: ... by qualified and trained installers only Switch off the system and check for hazardous voltages before altering any connection Do not open the lithium battery Do not discharge a new lithium battery before it has been fully charged first Charge a lithium battery only within the specified limits Do not mount the lithium battery upside down or on its sides Check if the Li Ion battery has been damage...
Страница 6: ...Bus BMS V2 1x Mains detector 1x 0 3m RJ45 UTP cable Piece of Velcro adhesive hook and loop tape Note that the DC power cable to power the BMS is not included Use any 1 wire cable with at least 0 75mm2 AWG 16 and a 1A inline fuse What s in the box VE Bus BMS V2 Page 4 Installation ...
Страница 7: ...s Note that the BMS does not have a battery negative connection This is because the BMS obtains battery negative from the VE Bus As such the BMS cannot be used without a VE Bus Inverter charger or a VE Bus inverter 3 2 1 Minimal VE Bus firmware Before connecting the BMS to the system the VE Bus firmware of all inverter chargers or inverters used in the system needs to be updated to the latest firm...
Страница 8: ... be connected in series daisy chained and the first and last BMS cable should be connected to the BMS If the BMS cables are too short they can be extended with extension cables the M8 circular connector Male Female 3 pole cables Left Connecting a single battery Right connecting multiple batteries VE Bus BMS V2 Page 6 Installation ...
Страница 9: ...BMS has shut down the inverter charger due to low cell voltage so that it can recharge the battery In systems consisting of several units configured for parallel three phase or split phase operation the mains detector should be wired in the master or leader unit only In the case of a MultiPlus only use one AC wire pair and in the case of a Quattro use both wire pairs AC detector wiring example Des...
Страница 10: ...ft in a discharged state for more than eight days Disconnecting a DC load via a BatteryProtect Use a BatteryProtect for DC loads that do not have a remote on off terminal or for switching groups of DC loads off A BatteryProtect will disconnect the DC load when Its input voltage battery voltage has decreased below a preset value Its remote on off H terminal becomes free floating usually high This s...
Страница 11: ...patible or installed in systems without a GX device can be controlled via the VE Bus BMS V2 Charge disconnect output provided the chargers have a remote on off port The Charge disconnect output normally high equal to battery voltage must be connected to the H terminal of the charger s remote on off connector At high cell voltage or low temperature the Charge disconnect output becomes free floating...
Страница 12: ...n the remote H terminal and L terminal for example via the wire bridge or a switch Contact is made between the remote connector H terminal and battery positive Contact is made between the remote connector L terminal and battery negative A typical application is switching off the system when a predetermined state of charge SoC is reached in a BMV Its relay then operates the remote on off terminal o...
Страница 13: ...t likely not needed in off grid installations such as boats or RVs 4 Perform a VE Bus re detect system action on the GX device This action is available in the inverter charger menu on the GX device GX device connections The functionality of the GX Pow and Aux In terminals The GX Pow output supplies GX power from either the battery or from the Aux In input whichever voltage is higher An AC DC adapt...
Страница 14: ...VE Bus dongle is disabled Since inverter charger control is disabled the GX device or VE Bus Smart dongle can also be connected to the MultiPlus Quattro port of the BMS for easy wiring Left System with a Digital Multi Control Panel Right System with a VE Bus Smart dongle Description 1 Digital Multi Control 2 VE Bus Smart dongle 3 MultiPlus II Inverter charger 4 VE Bus BMS V2 The VE Bus Smart dongl...
Страница 15: ...r charger 4 Remote on off switch 5 VE Bus BMS V2 6 Cerbo GX 7 AC DC power supply providing backup power to the Cerbo GX should the battery be too far discharged 8 Pre alarm warning circuit giving an advanced warning in case of an imminent system shutdown due to a too far discharged battery 9 Lithium Battery Smart or battery consisting of multiple batteries creating a 12V 24V or 48V battery bank VE...
Страница 16: ...nverter charger 4 Solar charger 5 VE Direct non inverting remote on off cable connects between the solar charger VE Direct port and the BMS Charge disconnect terminal 6 VE Bus BMS V2 7 Lithium Battery Smart or battery consisting of multiple batteries creating a 12V 24V or 48V battery bank 8 BatteryProtect 9 DC loads 10 SmartShunt VE Bus BMS V2 Page 14 System examples ...
Страница 17: ...tem 1 2 3 Description 1 MultiPlus II Inverter charger 2 VE Bus BMS V2 3 Lithium Battery Smart or battery consisting of multiple batteries creating a 12V 24V or 48V battery bank VE Bus BMS V2 Page 15 System examples ...
Страница 18: ...ote H terminal is connected to the Charge disconnect terminal on the VE Bus V2 BMS 4 VE Bus BMS V2 5 MultiPlus II Inverter charger 6 Starter monitor and alternator 7 12V starter battery 8 Lithium Battery Smart or battery consisting of multiple batteries creating a 12V or 24V battery bank 9 SmartShunt VE Bus BMS V2 Page 16 System examples ...
Страница 19: ...n 1 Digital Multi Control 2 MultiPlus II Inverter charger installed and configured as a 3 phase system 3 VE Bus BMS V2 4 Lithium Battery Smart or battery consisting of multiple batteries creating a 12V 24V or 48V battery bank VE Bus BMS V2 Page 17 System examples ...
Страница 20: ...de at all times We recommend not letting it get that far in the first place and instead shutting down the system automatically based on a defined state of charge so that there is enough reserve capacity in the battery For an inverter charger for example this can be done via the VE Configure setting shut down on SoC It is even easier with a BMV whose relay can control the remote on off port of the ...
Страница 21: ...ample a 5A charger and wait for the battery voltage to get back up to 12 24 or 48V depending on the system voltage Q3 What happens with the inverter charger when the BMS gives a low cell voltage signal The inverter charger will be set to charger only mode and the batteries are charged when an AC input is available Should AC not be available the inverter charger is off Q4 What happens with the inve...
Страница 22: ...modes to turn the system on or off a ON when the L and H terminal are interconnected switch or relay contact b ON when the L terminal is pulled to battery minus V 3 5V c ON when the H terminal is high 2 9V VH Vbat d OFF in all other conditions VE Bus communications ports 2 x RJ45 sockets to connect to all VE Bus products General Operating temperature 20 to 50 C 0 120 F Humidity Max 95 non condensi...
Страница 23: ...8 Appendix 8 1 Dimensions VE Bus BMS V2 VE Bus BMS V2 Page 21 Appendix ...
Страница 24: ...ible Inverter charger in system firmware update Yes both locally and also remotely via the VRM portal No the VE Bus BMS V1 needs to be disconnected in order to update the firmware of the inverter charger Usable without a VE Bus connection No The BMS has no battery minus connection battery minus is supplied by the VE Bus and VE Bus needs to be connected for the BMS to be powered Yes Load disconnect...
