Victron VE.Bus BMS / VE.Bus BMS V2 Description:
The VE.Bus BMS V2 is a Battery Management System (BMS) designed to interface with and protect a single, or multiple Victron Lithium Battery Smart 12,8V & 25,6V (LiFePO4 or LFP) in systems that have Victron inverters or inverter/chargers with VE.Bus communication. It monitors and protects the batteries against over voltage and under voltage of any individual cell, and also over temperature or under temperature conditions.
Based on the status of the battery or batteries, the BMS will:
- Generate a pre-alarm signal to alert of an imminent cell under voltage condition.
- Disable inverting in VE.Bus inverters or inverter/chargers via VE.Bus, and disable other loads via the 'Load Disconnect' terminal in the event of a cell under voltage condition.
- Disable charging in VE.Bus inverters or inverter/chargers via VE.Bus and disable other chargers via the 'Charge Disconnect' terminal in the event of a cell overvoltage, under temperature or over temperature condition.
- Remote on/off terminals.
- Ability to disable VE.Direct and VE.Can solar chargers via a GX device.
- Allowing control of the VE.Bus inverter/charger from multiple devices, like the Digital Multi Control, the VE.Bus Smart dongle and/or a GX device.
- Auxiliary power input and output terminals that allow a GX device to remain powered in the event of a system shutdown.
| VE.Bus BMS | |
|---|---|
| Input voltage range | 9 – 70V DC |
| Current draw, normal operation | 10 mA (excluding Load Disconnect current) |
| Current draw, low cell voltage | 2mA |
| Load Disconnect output | Normally high Source current limit: 2A Sink current: 0 A (output free floating) |
| Charge Disconnect output | Normally high Source current limit: 10mA Sink current: 0 A (output free floating) |
| Pre-alarm output | Normally free floating High (Vbat) in case of alarm, max. 1A (not short circuit proof) |
| GENERAL | |
| VE.Bus communication port | Two RJ45 sockets to connect to all VE.Bus products |
| Operating temperature | -20 to +50°C (0 - 120°F) |
| Humidity | Max. 95% (non-condensing) |
| Protection grade | IP20 |
| ENCLOSURE | |
| Material and colour | ABS, matt black |
| Weight | 0,1kg |
| Dimensions (h x w x d) | 105 x 78 x 32mm |
| VE.Bus BMS V2 | |
|---|---|
| Input voltage range | 9 – 70 VDC |
| Current draw - regular operation | 10 mA (excluding Load disconnect current) |
| Current draw - low cell voltage | 2 mA |
| Current draw - switched off via remote on/off terminal | 1.50 mA |
| GX-pow output | 1 A |
| Aux-in input | 1 A |
| Load disconnect output | Normally high (output voltage ≈ supply voltage – 1 V) Floating when the load needs to be disconnected Source current limit: 1 A Sink current: 0 A |
| Charge disconnect output | Normally high (output voltage ≈ supply voltage – 1 V) Floating when charger should be disconnected Source current limit: 10 mA Sink current: 0 A |
| Pre-alarm output current rating | 1 A, not short circuit protected |
| Remote terminals | Usage 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<3.5 V) c) ON when the H terminal is high (2.9 V < VH < Vbat) d) OFF in all other conditions |
| VE.Bus communication port | 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-condensing) |
| Protection grade | IP20 |
| ENCLOSURE | |
| Material | ABS |
| Colour | Matt black with a blue sticker |
| Weight | 120 gr |
| Dimensions (h x w x d) | 23.8 mm x 94.5 mm x 105.5 mm |
Victron VE.Bus BMS / VE.Bus BMS V2
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