PowerDepot H5B series User Manual
5
Item
Name
Definition
power,details in table2-4
6
ALM
Red light flashing when an alarm occurs, red light always on
during protection status. After the condition of trigger protection
is released, it can be automatically closed,details in table2-4
7
Reset switch
Press the switch and the battery system turn on.
When the battery is in the non-use state such as storage,
transportation etc., it needs to be turn off by pressing the Reset
switch button, and the battery system will automatically sleep after
the device without external load and power for 72 hours. Or if you
need to shut down the system,firstly swich off the DC breaker
between the battery with the inverter, then press the switch for 3s
8
Ground
connection point
Shell ground connection
9
DC circuit breaker Circuit protection
10
COM
Communication cascade port, support RS232
Table2-4 SOC/ALM Light instructions
Battery State
SOC
LED1
LED2
LED3
ALM
Shut down
off
off
off
off
Standby
66%
＜
SOC≤100%
On
On
On
On
33%
＜
SOC≤66%
On
On
Off
On
20%
＜
SOC≤33%
On
Off
off
On
10%
＜
SOC≤20%
On
off
off
On
0%
≤
SOC≤10%
On
off
off
On
2.4 Battery Management System(BMS)
2.4.1 Voltage Protection
Low Voltage Protection in Discharging
：
When any battery cell voltage or total voltage is lower than the rated protection value during
discharging, the over-discharging protection is activated, and the battery buzzer makes an alarm
sound. Then battery system stops supplying power to the outside. When the voltage of each cell
back to rated return range, the protection is over.
Over Voltage Protection in Charging
：
During charging stage, the system will stop charging when the total voltage of the battery pack is
higher than rated value or the voltage of any single cell reaches the protection value. When total
voltage or all cell back to rated range, the protection is over.
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