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VE.Bus BMS NG

7. Technical specifications VE.Bus BMS NG

Electrical

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

Pre-alarm output current rating

1 A, not short circuit protected

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

Remote on/off terminals

Usage modes to turn the system on or off:

  1. ON when the L and H terminal are interconnected (switch or relay contact)

  2. ON when the L terminal is pulled to battery minus (V<3,5 V)

  3. ON when the H terminal is high (2,9 V < VH < Vbat)

  4. 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-condensing)

Protection grade

IP20

Enclosure

Material

ABS

Colour

Matt black with a blue sticker

Weight

120 gr

Dimension (h x w x d)

23,8 mm x 94,5 mm x 105,5 mm

Standards

Safety

EN 60950

Emission

EN 61000-6-3, EN 55014-1

Immunity

EN 61000-6-2, EN 61000-6-1, EN 55014-2

Automotive

EN 50498

External AC-DC adapter (if installed)

Min. power rating

1 A @ 12 V - If the nominal output voltage is > battery voltage, the AC-DC adapter takes over the power supply of the GX device.