Victron mini.BMS Battery Management System
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Product description
A simple and cost-effective alternative to the VE.Bus BMS
The miniBMS can replace the VE.Bus BMS in several applications. However, it is not suitable for use with VE.Bus MultiPlus and Quattro inverters/chargers: There is no VE.Bus interface available. The miniBMS is designed for use with Victron Smart LiFePo4 batteries with M8 round connector. The miniBMS has two outputs, similar to the VE.Bus BMS.
Output "Load Disconnect
The "Load" output is normally HIGH and is set to "free floating" when a cell undervoltage
imminent. Maximum current: 1 A. The "Load" output is not short-circuit protected.
The "Load" output can be used to control the following functions:
- High current relay or contactor
- remote on/off input from BatteryProtect, inverter or DC-DC converter or other loads.
(A non-inverting or inverting power cord may be necessary. Please note the
the manual)
Output "Charge disconnect"
The "Charger" output is normally HIGH and becomes "free floating" when a cell overvoltage or overtemperature
imminent. Maximum current: 10 mA. The "Charger" output is not suitable for controlling an inductive load such as an
Relay coil to operate. The "Charger" output can be used to control the following devices:
- Remote controlled on/off switch of a charger
- Cyrix-Li charging relay.
- Cyrix-Li-ct battery coupler.
System on/off" input
The "System on/off" input controls both outputs. When it is off, both outputs are switched to "free floating". The loads and chargers
are therefore switched off. The "System on/off" input has two connections: Remote L and Remote H.
A remote on/off switch or a relay contact can be connected between L and H
Alternatively, connection H can be switched to a battery positive pole or L to a battery negative pole.
Protects 12 V, 24 V and 48 V systems
Operating range voltage 8 to 70 V DC.
LED displays
- Load AN (blue) Load output high (cell voltage > 2.8 V, adjustable at the battery)
- Temp or OVP (red): output charger "free floating" (due to cell overtemperature (>50°C), cell undertemperature (<
5 C) or cell overvoltage).
The miniBMS can replace the VE.Bus BMS in several applications. However, it is not suitable for use with VE.Bus MultiPlus and Quattro inverters/chargers: There is no VE.Bus interface available. The miniBMS is designed for use with Victron Smart LiFePo4 batteries with M8 round connector. The miniBMS has two outputs, similar to the VE.Bus BMS.
Output "Load Disconnect
The "Load" output is normally HIGH and is set to "free floating" when a cell undervoltage
imminent. Maximum current: 1 A. The "Load" output is not short-circuit protected.
The "Load" output can be used to control the following functions:
- High current relay or contactor
- remote on/off input from BatteryProtect, inverter or DC-DC converter or other loads.
(A non-inverting or inverting power cord may be necessary. Please note the
the manual)
Output "Charge disconnect"
The "Charger" output is normally HIGH and becomes "free floating" when a cell overvoltage or overtemperature
imminent. Maximum current: 10 mA. The "Charger" output is not suitable for controlling an inductive load such as an
Relay coil to operate. The "Charger" output can be used to control the following devices:
- Remote controlled on/off switch of a charger
- Cyrix-Li charging relay.
- Cyrix-Li-ct battery coupler.
System on/off" input
The "System on/off" input controls both outputs. When it is off, both outputs are switched to "free floating". The loads and chargers
are therefore switched off. The "System on/off" input has two connections: Remote L and Remote H.
A remote on/off switch or a relay contact can be connected between L and H
Alternatively, connection H can be switched to a battery positive pole or L to a battery negative pole.
Protects 12 V, 24 V and 48 V systems
Operating range voltage 8 to 70 V DC.
LED displays
- Load AN (blue) Load output high (cell voltage > 2.8 V, adjustable at the battery)
- Temp or OVP (red): output charger "free floating" (due to cell overtemperature (>50°C), cell undertemperature (<
5 C) or cell overvoltage).
| Input voltage range Normal operation (Vbat) | 8 - 70 V direct current |
| Power consumption, normal operation | 2.7 mA (without output "Load" and output current charger) |
| Power consumption; low cell voltage | 2 mA |
| Power consumption remote control off | 1.5 mA |
| Load output | Normal high (Vbat - 0.1 V) Source current limitation: 1 A (not short-circuit proof) Low current: 0A (output FREE FLOATING) |
| Output charger | Normal high (Vbat -0.6 V); current limitation source: 10 mA (short-circuit proof); Lowering current: 0 A (FREE FLOATING output) |
| "System on/off": Remote L and Remote H |
Use modes of the system's power switch: a. ON when terminals L and H are connected together (switch or relay contact) b. ON when terminal L is pulled to the negative terminal of the battery (V< 3.5 V); c. ON when the H terminal is high (2.9 V < VH < Vbat); d. OFF under all other conditions. |
| Operating temperature | -20 to +50°C |
| Humidity | max. 95 % (non-condensing) |
| Material and colour | ABS, black, matt |
| Dimensions (HxWxD) | 106 x 42 x 23 mm |
Features
| Weight | 0,1 kg |
| ean | 8719076043485 |
| Manufacturer Article No. | BMS400100000 |
Legal information
Herstellerinformationen
Accusysteme TransWatt GmbH
Am Tiggemann 4
59505 Bad Sassendorf
Germany
matyschik@transwatt.de
Our service
Order hotline
+49 (0)9181 / 330 100Mon. - Sat.: 8:00 - 20:00 hrs
Specialist advice
ARRANGE CALLBACKMon. - Fri.: 9:00 - 16:00 o'clock
Secure payment with SSL encryption
Free return
Up to 5% bonus with the Berger advantage card
