7.1 Limon™ BMS Software Battery Settings

Battery management system's most important part is the settings. User must set the correct parameters of the system to achieve no errors.

Danger

Always double check your settings before saving all settings.

Fig.7.1.1: Battery Settings Screen

Table.7.1.1: Battery Settings Screen Elements Descriptions

No. Description Setting Options
T1 Selection tab for Battery settings.
M4 Selection tab for Settings.
S1 Type of the slave modules on the isolated daisy chain. Select the model of the connected slave modules.
Options: ---, BMS1202, BMS1802
S2 Parallel group number selection. Select same group number for arranging parallel batteries Options PG1-PG6. Up to 6 packs can be arrange in parallel. Leave it disabled for normal operation.
Options: ---, PG1, PG2, PG3, PG4, PG5, PG6
S3 Module cell count settings starting from ID#0 to ID#15. Select correct number of cell for every module ID. Select cell between 4-18 cells
Options: ---, 4–18
S4 Initial SOC of Battery Pack. Set for initial percentage of battery at a moment. Setting another value than before will update SOC value.
S5 Battery usable capacity in mAh unit. 40Ah = 40000mAh Set capacity to the correct value before setting initial SOC.
S6 Full SOC pack voltage for recalibration to %100 Minimum pack voltage for FULL SoC. SoC is set to 100% when all FULL SoC conditions hold together for 60 seconds.
S7 Minimum cell voltage for recalibration SOC to %100 Set minimum cell voltage for triggering to set SOC to full. All cells must be equal or higher than this voltage.
S8 Maximum cell delta voltage threshold between any cell. Set maximum cell voltage delta for triggering to set SOC to full.
S9 Cutoff current before recalibration SOC to %100. After meeting other conditions, charge current must be as low as that value.
S10 Hold SoC at 99% until FULL SoC. When enabled, SoC stays at 99% until all FULL SoC conditions are met, so 100% always means a full pack.
S11 FULL SoC maximum cell voltage (FCV). Used when FULL SoC only for FCV is enabled: SoC is set to 100% when the highest cell reaches this voltage.
S12 Enable FULL SoC only for FCV. When enabled, the FCV condition alone sets FULL SoC and the other FULL SoC conditions are ignored.
S13 Minimum cell voltage for recalibrating SoC to 0%. SoC is set to 0% when the lowest cell stays below this voltage for 60 seconds. Skipped while a cell connection error is active.

Settings buttons

The buttons at the bottom of this screen are explained in 7.8 Settings Buttons.