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BMV 700 Health tracker

The BMV-700 tracker is a new high-precision battery health monitoring system.
Why monitor battery operating conditions? For a longer battery life! Detailed battery monitoring allows us to detect any operational deficiencies with quick correction to support long battery life.
Suitable for all types of lead batteries including fleece (AGM) and gel. Easy battery capacity adjustment (factory setting at 200 Ah). Auto-detection of voltages 12, 24, 36, 48, 60, 120, 144 and 288 V. Regular automatic calibration of the device for reliable display of measured data (can also be performed manually). The BMV 700H version is designed for systems with high operating voltage (70 - 350 V DC), the BMV702 version is designed for monitoring two batteries or monitoring battery temperature or xxx. The tracker is also suitable for Li-on batteries.

Basic displayed values:
- current battery voltage (V)
- current current (A) that goes into (positive values - charging) or out (negative values - discharging) of the battery
- current power (W) that goes into (positive values - charging) or out (negative values - discharging) of the battery (multiplier of voltage and current)
- total amount of energy taken from the battery to power appliances in ampere-hours (Ah)
- current battery charge level in percent
- expected (sophisticatedly calculated) length of time in hours to 50% battery discharge at given energy consumption

Technical parameters:

- supply voltage 6.5 - 95 V DC
- power consumption with unlit display and relay off: 4 mA (12 V) and 3 mA (24 V)
- power consumption with unlit display and relay on: 15 mA (12 V) and 8 mA (24 V)
- operating voltage: 12, 24 and 48 V (autodetection)
- maximum current through the shunt: -500 to +500 A (discharging and charging the battery)
- maximum deviation in voltage reading ±0.01 A at voltage 0 - 100 V
- maximum deviation in current reading ±0.01 A with 500 A shunt
- maximum deviation in capacity reading ±0.1 Ah at battery capacity 0 - 100 Ah
- maximum deviation in capacity reading ±1 Ah at battery capacity 100 - 9999 Ah
- maximum deviation when reading the state of charge ±0.1%
- maximum deviation when estimating the remaining time ±1 hour (in the range of 1-240 hours)
- maximum deviation when reading the power ±1 W in the range from - 100 W to 1 kW
- for a total battery capacity of 20 - 9999 Ah
- operating temperature range -20 to + 50 °C
- circular diameter of the tracker itself: 63 mm
- square size of the tracker cover: 69 x 69 mm
- depth of the tracker itself: 31 mm
- switched relay: 60V/1 A maximum
- weight of the tracker itself: 70 g
- weight of the shunt: 315 g
- connecting screws of the shunt: M10
- material: plastic

The tracker stores selected historical data and achieved limit values:
- deepest achieved battery discharge
- rate last battery discharge
- number of battery discharge/charge cycles
- average battery discharge value
- number of full battery discharges
- maximum battery voltage
- minimum battery voltage
- number of days since the last full battery charge

The BMV-700 tracker delivery includes:
- the tracker itself with a backlit digital display and controls
- a plastic tracker cover measuring 69 x 69 mm
- a 500A/50mV shunt designed for a maximum current of 500 A (installed on the negative battery cable)
- a 10-meter-long communication and power UTP RJ12 cable (connecting the tracker itself to the shunt)
- a 2-meter-long installation cable with a fuse for connection to the positive cable.

The tracker performs sophisticated monitoring of supplied and consumed energy together with consideration of the adjustable value of the Peukert exponent (the greater the energy consumption, the relatively lower the amount of available energy in the battery and vice versa) and the battery efficiency to estimate the current amount of energy (Ah) and the battery charge level (in percent). For the correct display of the amount of available energy in the battery, it is necessary that all energy entering and leaving the battery passes through the shunt.
The tracker itself can be integrated into the wall without the need for access from the back (covered screws).
For currents greater than 500 A, a replacement shunt designed for currents of 1000 and 2000 A can be supplied. Shunts up to a maximum current of 9,999 A with a voltage range of 1 - 100 mV (both adjustable) can be used on the tracker.
The tracker has a switching relay. This is activated/deactivated based on the measured battery charge level. The factory setting is to switch on when the battery charge level drops below 50% and switch off when the charge level reaches 90%. These values can be changed in the settings. The switching logic can also be reversed, i.e. the relay is switched on by default and off by default. The relay can be used to switch on/off devices such as an external alarm, generator, etc.
The tracker can be connected to other devices. Possibility of connecting the tracker to a large Color Control GX color display. To connect the BMV700 tracker to the Color Control GX display, you must purchase either a VE.Direct cable or a VE.Direct-USB communication interface.

The saved settings and measured historical and limit data remain stored even if the tracker's power supply is interrupted.

Visual and acoustic alarm for over or undervoltage, when the battery is charged or discharged.

Possibility of switching an additional energy source such as a generator via the relay under defined conditions.

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