Pylontech Extra 2000 - 2.2 Battery Management System (BMS)

Pylon Technologies Co., Ltd. Confidential Proprietary 5
Normal
● ● ● ● ● ●
Shut Down Off Off Off Off Off Off All off
Standby
Normal Flash1 Off Off Off Off Off Indicates Standby
Alarm Off Flash3 Off Off Off Off
PACK Low Voltage
Directive
Charge
Normal Light Off
Based on capacity
the right side
indicator LED
flashes (flash 2),
others lighting
Alarm Light Flash3
Protection Off Light Off Off Off Off
Stop charging, ALM
lighting
Discharge
Normal Flash3 Flash3
Based on capacity
Alarm Flash3 Flash3
Indicate based on
capacity
Protection Off Light Off Off Off Off
Stop discharging,
ALM lighting
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".
Extra2000LithiumIronPhosphateBatteryBackupManual