The LCD – Battery Computer (Battery Monitor) by Votronic is a monitor designed for exact measuring of the charging state of house batteries in caravans, campers, boats, special purpose and intervention vehicles.
It is essentially the ‘Fuel Gauge for the Battery’ and informs of all current data of the battery.
It informs of all current data of the battery. All charging and discharging currents are recorded accurately. Battery size, self-discharge, battery load and more are considered by means of programmed characteristic diagrams. Battery voltage or current, as well as the charging state are displayed as residual capacity in ampere-hours or as percentage and as level bar.
Additionally, the voltage of the starter battery can be displayed.
It is available in a standard or humidity-proof version for all Shunt sizes.
Microprocessor controlled the following values were measured, calculated and displayed:
- Battery voltage house battery 7 to 32V (Volts), internal measuring scale 0.1V. Allows drawing conclusions from the battery behaviour in case of variations in load and serves as operational check, for instance, of the charger, the solar system, the dynamo etc. Flashing warning signal in case of over-voltage.
- Battery current (+ = charge/ – = discharge) +/- 0 to max. +/- 1800A (Amperes, depending on type), internal measuring scale 0.1A. Control of the discharge current rates (load) by the consumers, indicated by the sign “-“. Control of the discharge current rates identified by a “Charge“ sign.
- Battery Capacity (Ah and %) Residual charge from 0 Ah / 0% (empty) to nominal capacity max. 2000 Ah / 100% (full)
- Battery Voltage Starter Battery (2nd Battery), 7 to 32V (Volt), internal measuring scale 0,1V
- Terminal, freely programmable and tactile (PNP, plus potential 12 V / 24 V, max. 0.3 A)
- Display of remaining time, “h”, a calculated reference point to determine how long the residual capacity is sufficient until the adjusted switching off threshold is reached, in the case of constant current consumption.
How much residual charge does my board battery have? Is the battery state really “Full”? Why is energy taken from the battery, although the consumer loads had been switched-off? The Votronic LCD Battery Computer S gives the answer to these questions – exactly to percentage (%) an ampere-hour (Ah). At the touch of a button, it informs comprehensively of the instantaneous charging state of the battery, the flowing battery current rates, as well as the voltage situation of the battery. Based on the proved VOTRONIC LCD Battery Computer, the LCD Battery Computer S had been developed. The various display functions and the high operating convenience had been extended by a neatly arranged LCD display with white background illumination, which offers excellent legibility, even from a distance and with unfavourable lighting conditions.
Since the unit is permanently in contact with “its battery”, it records and evaluates all battery actions. All charging and discharging currents are counted accurately. Battery size, self-discharge, battery load etc. are considered by programmed characteristic diagrams. Even the smallest leakage current is detected and recorded. The residual capacity of the battery is calculated from the measured values and the battery size. The result is a correct indication of the charging state (of the capacity, which is still available, the residual charge) of the board battery as numerical value in Ampere-hours (“Ah”) and as percentage (“%”), as well as in form of a clear level bar, such as it is known from a fuel gauge. The LCD Battery Computer S is suitable for all battery types (acid, gel, AGM, lithium adjustable) with 12 V and 24 V battery voltage.
Of course, also the instantaneous battery voltage (“V”) and the instantaneous battery current (“A”) are displayed. Discharge current rates (consumers) are identified by a minus sign. Furthermore, the discharge current rates are marked with a well legible sign “Charge”. Apart from that, there is a further display possibility for the voltage of a second battery, such as for control of the vehicle’s starter battery.
The LCD Battery Computer S is equipped with a freely programmable terminal for control, supervision and warning purposes. It can, for example, be used for automatic switching of consumers, independently of the board battery’s the charging state, or for warning signals. The on/off switching points can be adjusted freely and independently of each other as percentage (%) allowing any switching function. At the press of a button, manual control is possible at any time.
Example for application: Automatic protection of the battery against harmful total discharge. The consumers are switched-off exactly according to charging state, for example, if the charging state is less than 25 %. An EMERGENCY-ON button allows continued supply of the consumers. Consequently, the unit can also be used as remote-controlled battery main switch (on/off) with protection against total discharge. A plug-and-go cable connects display and robust Precision Measuring Resistor (Smart-Shunt), which is directly connected to the negative pole of the board battery, and which receives the voltage and current rates of the battery. The terminal for connection of signal transmitters or powerful switching relays is also located here.
Matching to the Votronic modular system, appearance and mechanics (identical height 85 mm) of the unit are adapted to the other display modules, and the small mounting depth of only 22 mm allows an installation at almost any location.
|LCD Battery Computer S|
|Unit Type||LCD 100 S||LCD 200 S||LCD 400 S|
|MPN – Standard/Humidty-proof||1263/11263||1266/11266||1269|
|Nominal Battery Voltage – Lead Acid/Gel/AGM||12V and 24V||•||•|
|Battery Voltage LifePO4||12.8-13.2V/25.6-26.4V||•||•|
|Current Consumption||8-60 mA||•||•|
|Nominal Capacity of Battery adjustable||50-2000 Ah||•||•|
|Current Carrying Capacity Duration/15 Mins/Short Time||+/- 100/150/450A||+/- 200/300/900A||+/- 400/600/1800A|
|Dimensions Display (HxWxD)||85x80x24 mm||•||•|
|Assembly Dimensions (HxWxD)||72x66x22 mm||•||•|
|Dimensions Shunt (HxWxD)||135x32x44 mm||•||•|
|Weight Display/Smart-Shunt||55 g/240 g||•||•|