Battery Management System（Bms; Voltage Protection Function - Pylontech Extra 2000 Product Manual

Extra 2000 Lithium Iron Phosphate Battery Backup Manual
Normal
Shut Down
Normal
Standby
Alarm
Normal
Alarm
Charge
Protection
Normal
Alarm
Discharge
Protection
Note: The flashing instructions, flash light 1 - 0.25s / off 3.75 seconds; flash 2 - 0.5s light / 0.5s
off; flash 3 - 0.5s light / 1.5s off
2.2 Battery Management System（BMS）
2.2.1 Voltage Protection
Low Voltage Protection in Discharge:
When discharging, the protection starts if any one of the single cells has lower
voltage than the setting value and the power supply stop. When voltages of all
single cells return to the normal, protection removed.
Protection parameters see entry 1 of "Table 2-5 Protection Parameters".
High Voltage Protection in Charge
When charging, the system stops charging when the total voltage of the
battery or any one cell over the voltage value. When total voltage and cell
voltage are restored to the normal, protection removed.
Protection parameters see entry 2,3 of "Table 2-5 Protection Parameters".
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● ● ●
Off Off Off
Flash1 Off Off
Off Flash3 Off
Light Off
Light Flash3
Off Light Off
Flash3 Flash3
Flash3 Flash3
Off Light Off
● ● ●
Off Off Off
Off Off Off
Off Off Off
Based on capacity
Off Off Off
Based on capacity
Off Off Off
All off
Indicates Standby
PACK Low Voltage
Directive
the right side
indicator LED
flashes (flash 2),
others lighting
Stop charging, ALM
lighting
Indicate based on
capacity
Stop discharging,
ALM lighting
5