Table 2: Condition/logic for alarm and dry contact
Alarm or protection
condition/logic
Default Range
Alarm or protection
value
Default Range
Resume value
Setting
step
0 No condition -- -- -- -- --
1
Auxiliary battery
voltage low
3
Auxiliary battery
SoC low
4 Time to go low
60~86400 sec.
3600 sec.1800 sec.
10.5V 7.0V~95.0V 11.0V 7.0V~95.0V 0.01V
10.5V 7.0V~95.0V 11.0V 7.0V~95.0V 0.01V
10.5V 7.0V~95.0V 11.0V 7.0V~95.0V 0.01V
16.0V 7.0V~95.0V 15.5V 7.0V~95.0V 0.01V
16.0V 7.0V~95.0V 15.5V 7.0V~95.0V 0.01V
10A 1A~600A 9A 1A~600A 0.01A
-10A -1A~600A -9A -1A~600A 0.01A
0℃ -20~+50℃ 1℃ -20~+50℃ 0.1℃
40℃ -20~+50℃ 39℃ -20~+50℃ 0.1℃
16.0V
20.0% 0~99.0% 30.0% 0~99.0% 0.1%
7.0V~95.0V 15.5V 7.0V~95.0V 0.01V
60~86400 sec.
1 sec.
5
Over-current
(charge)
6
Over-current
(discharge)
7
Auxiliary battery
temperature low
8
Auxiliary battery
temperature high
10
Starter battery
voltage low
11
Starter battery
voltage high
12
13
2
Auxiliary battery
voltage high
2nd Starter battery
voltage low
2nd Starter battery
volt high
LED INDICATOR
Status Status flash interval Description
Power on
initialization state
Operation
Alternating red
and green
Green flashing
Red flashing
Normal operation
Alarm (See Table 2)
Power on initialization state. When powering BM500-BT,
ensure the battery isn't being charged or discharged
Red on
The charge or discharge current of
the auxiliary battery exceeds 500A
Table 3: LED indicators
4
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General