Votronic charging converter, B2B battery-to-battery charger VCC 1212-50

Product description
Media & Downloads

High charging powerEvenon shortjourneys orfull charge on longer journeys.

Increases/reduces the voltage to the required level to be able to charge the on-board battery precisely with the optimum charging characteristic.

Fully compensates for line losses and voltage fluctuations of the dynamo, such as those that occur constantly and to a considerable extent inEuro 6 vehicles (intelligent alternators).

Compact design, low weight (high-frequency switch mode technology) and powerfully dimensioned power components for safe operation.

Significantly improvedenergy balance of theon-board battery without interfering with the starter circuit

Supplied 12 V consumers are protected against overvoltage and voltage fluctuations.

The charging voltage is free of peaks and regulated in such a way that overcharging of the batteries is impossible.

Fully automatic operation:The device is permanently connected to the batteries and is automatically activated by the vehicle's running dynamo. The batteries are not discharged when the engine is not running.

Parallel and buffer operation: The battery continues to be charged or is kept fully charged if there is simultaneous consumption. The device automatically calculates and monitors the adjustment of the charging times.

Monitoring-free charging: Multiple protection against overload, overheating, overvoltage, short circuit, misbehaviour and battery back-discharge through electronic regulation up to complete separation of device and battery.

Built-in on-board mains filter: Problem-free parallel operation with other charging sources (EBL, chargers, engine and fuel generators, solar systems) on one battery.

Charging cable compensation: Voltage losses on the charging cables are automatically compensated.

Connection for battery temperature sensor(included): With lead batteries (acid, gel, AGM), the charging voltage is automatically adjusted to the battery temperature, resulting in a better full charge of the weaker battery in cold weather and avoiding unnecessary battery gassing in summer temperatures.

LiFePO4 batteries: Battery protection at high and especially at low temperatures < 0°C

. Charging aid for deeply discharged lead batteries: Gentle pre-charging of the (lead-acid, -gel, -AGM) battery up to 8 V, then powerful support for the battery if consumers are still switched on.

Charging programmes1

"Gel": Charging programme for gel batteries, characteristic curve IU1oU2oU3
Adapted to sealed, gas-tight gel/dryfit batteries with fixed electrolyte, which generally require a higher charging voltage level and longer U1 holding times in order to achieve short charging times with particularly high capacity storage and to avoid long-term battery "starvation".

2"AGM": Charging programme for AGM/fleece batteries, characteristic curve IU1oU2oU3
Intended for charging sealed, gas-tight AGM (Absorbent Glass Mat) batteries in lead-fleece technology, which require a particularly high U1 level with coordinated holding times for full charging and then a moderate U2 level for charge retention (plate and round cell technology).

4 "UNIVERSAL": Charging programme for lead-acid/wet/AGM batteries, characteristic curve IU1oU2oU3
Universal programme for charging and charge retention of acid batteries in vehicles (mixed mobile/stationary).

With a medium U1 level, still offers short charging times, a good charging factor and good acid mixing for open and closed, low-maintenance, maintenance-free standard, traction, lighting, solar and heavy-duty batteries, as well as AGM batteries with a normal U1 level.

Li "LiFePO4": Charging programme for lithium batteries, characteristic curve IU1oU2oU3
Charging programme tailored to lithium LiFePO4 batteries with their own BMS and prescribed or built-in protective circuitry.

Technical data

Input from vehicle starter battery + IN Start"
Vehicle starter battery Nominal voltage	12 V
Battery capacity (size), minimum recommended	60 Ah
Input voltage range (EURO 6 +), D+ controlled	10,5 - 16,5 V
Input overvoltage cut-off (EURO 6 +), max.	16,5 V
Power consumption max.	760 W
Current consumption (at lowest input voltage) max.	0.1 A - 68 A
Current consumption limited, 3 switch positions "IN Limit"	49 A, 42 A, 33 A
Secondary charging branch, charging/charge retention for 12 V starter battery
with external mains charging operation, switch position "B"	0 - 3 A
Activation control input "D+", from D+, terminal 15, ignition	8 - 16,5 V
IN "Start" voltage sensor cables "Vs-" and "Vs+"	yes / yes
Switching output "TR", signal for bypass relay /max.	12 V / 1 A
Charging output on on-board supply battery "+ OUT Bord"
Charging/buffer/load current, regulated IU1oU2, lead, LiFePO	0 A - 50 A
Reduction with switch position "OUT Limit"	0 A - 39 A
Lead-acid, -gel, -AGM battery Nominal voltage	12 V
Capacity (battery size), recommended / up to	75-320 / 440 Ah
Lead charging programmes stored in the memory	4
Pre-charge current (battery deep discharge < 8V), max.	25 A
Safety charging voltage for battery overtemperature	12,80 V
LiFePO4 battery nominal voltage	12 V (12.8 -13.3 V)
Capacity (battery size), recommended / up to	75-320 / 440 Ah
LiFePO4 charging programmes stored in the memory	4
Safety charging voltage for battery overtemperature	12,80 V
"T T" Input for battery temperature sensor "Bord"	yes
OUT "Bord" voltage sensor cables "Vb-" and "Vb+"	yes / yes
Quiescent current, standby	16 mA
Charging timer	3-fold
Voltage ripple	< 30 mV rms
Charging voltage limit "+OUT Bord" (protection of consumers)	15,00 V
External overvoltage switch-off "+OUT Bord" (20 sec)	15,50 V
Short-circuit/back-discharge/safety protection	yes
Device installation position	Any
Temperature range	-20 to 45°
Speed-controlled, temperature-controlled fan	Yes
Gradual reduction of charging power in the event of overtemperature	Yes
Safety shutdown in the event of overheating	Yes
Dimensions, incl. mounting flanges and terminals (LxWxH)	135 x 160 x 72 mm
weight	950 g
Ambient conditions, humidity: max. 95 % room humidity, non-condensing
Scope of delivery: Temperature sensor, operating instructions

Safety instructions and warnings

Safety instructions for Votronic charging converter, B2B charger VCC 1212-50

- The device may only be installed and operated by authorised specialist personnel.

- The power supplies must be switched off before connecting the device.

- The installation must be carried out in accordance with the applicable electrotechnical regulations.

- There must be no connection between the two batteries of the vehicle when the B2B charger is in operation.

- The B2B charger must be protected from moisture and water.

- The device must not be installed near heat sources and adequate ventilation must be ensured.

- Ensure that the correct battery parameters are set to prevent overcharging or deep discharging of the batteries.

- Only use the cables and connections recommended by the manufacturer.

- If you have any problems or questions regarding the installation or operation of the device, please contact the manufacturer or an authorised specialist.

Manufacturer contact information

Manufacturer Contact

VOTRONIC Elektronik-Systeme GmbH
Johann-Friedrich-Diehm-Str. 2
36341 Lauterbach

https://www.votronic.de/kontakt/

Assembly and operating instructions German