Monitoring

Battery

Battery parameters are summarized in the "Battery" section:

In this section:

• Voltage (sum of cell voltages) – voltage of the battery, defined as sum of all cell voltages, V;
• Voltage – voltage of the battery,  V;
• Current – current of the battery, A;
• Internal resistance – internal resistance of the battery, Ohm;
• Main voltage – supply voltage on the BMS, V;
• Power switch voltage – supply voltage on the power switches, V;
• Board temperature – internal temperature of the BMS, °C;
• Board humidity – relative humidity measured by the BMS, %;
• Temperature 1, 2 – temperature measured by the external temperature sensors, °C;
• Number of Logic devices – number of connected Logic devices;
• Logic command rate – number of commands transmitted to Logic devices, com/s;
• Minimum Logic temperature – minimum temperature among Logic devices, °C;
• Min. Logic temp.: Logic index – number of Logic with minimum temperature;
• Maximum Logic temperature – minimum temperature among Logic devices, °C;
• Max. Logic temp.: Logic index – number of Logic with maximum temperature;
• Number of cells – number of connected cells;
• Average cell temperature, °C;
• Minimum cell temperature, °C;
• Min. cell temp.: Logic index – number of Logic with minimum cell temperature;
• Min. cell temp.: cell index – number of cell with minimum temperature;
• Maximum cell temperature, °C;
• Max. cell temp.: Logic index  – number of Logic with maximum cell temperature;
• Max. cell temp.: cell index – number of cell with maximum temperature;
• Average cell voltage, V;
• Minimum cell voltage, V;
• Min. cell volt.: Logic index – number of Logic with minimum voltage;
• Min. cell volt.: cell index – number of cell with minimum voltage;
• Maximum cell voltage, V;
• Max. cell volt.: Logic index – number of Logic with maximum voltage;
• Max. cell volt.: cell index – number of cell with maximum voltage;
• Minimum cell SOC, %;
• Min. cell SOC: Logic index – number of Logic with minimum SOC;
• Min. cell SOC: cell index – number of cell with minimum SOC;
• Maximum cell SOC, %;
• Max. cell SOC: Logic index – number of Logic with maximum SOC;
• Max. cell SOC: cell index – number of cell with maximum SOC;
• Number of balancing cells;
• State:
  • Discharging ON;
  • Discharging OFF;
  • Relaxed (after discharging) – battery is in a state of relaxation after discharging;
  • Charing ON;
  • Charging OFF;
  • Relaxed (after charging) – battery is in a state of relaxation after charging;
• Duration – duration of the battery in the "State" state, s;
• SOC – state of charge of the battery, %;
• DOD – depth of discharge of the battery, A×h;
• SOH – state of health of the battery, %;
• Balancing efficiency – balancing efficiency of the battery, %;
• Effective capacity, А×h;
• Instant capacity – instantaneous value of the effective capacity (used to calculate the SOC), А×h;
• Coulomb counter + – charge received by the battery from the charger, А×h;
• Coulomb counter - – charge transferred to the battery load, А×h;
• Charge current limit – maximum allowed charge current of the battery, A;
• Discharge current limit – maximum allowed discharge current of the battery, A;
• High voltage 1 – voltage before the contactors, V;
• High voltage 2 – voltage after the contactors, V;
• Work charge+ - amount of charge received from charger (positive direction) since device startup, Ah;
• Work charge- - amount of charge transmitted to the load (negative direction) since device startup, Ah;
• Work energy+ - amount of energy received from charger (positive direction) since device startup, Wh;
• Work energy- - amount of energy transmitted to the load (negative direction) since device startup, Wh;
• Work energy regen - amount of regererated energy (positive direction) since device startup, Wh;
• Total energy+ - total energy received by the battery modules from the charger, Wh;
• Total energy- - total energy spent by the battery modules on the load, Wh;
• Total energy regen - total energy received by the battery modules during recuperation, Wh;
• Total balanced energy – total energy dissipated by the battery modules on balancing resistors, Wh;
• Input signals – a bitfield including input signals (see Input signals);
• Internal signals – a bitfield including device internal signals (see Internal signals);
• Errors 1, 2 – errors of the battery (see Errors).