INDUSTRIAL BATTERY GROUP
Doc Ref:
ED2015-0544
User’s Manual
Lithium-Ion Battery System (504V / 45Ah)
45/45
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30
SMU re-connection
failed
Number of re-connection attemps
exceeds 3 for one SMU
HW (ON/OFF)
Contactor opening
33
Battery current sensor
out of range (lost)
Current measured > 60A or < -60A
during 10s OR Main contactors open
AND |Battery current| > 2A
HW (ON/OFF) / Reset Client / Auto-reset
34
Autotest failure
At least one unit test has failed
HW (ON/OFF)
Contactor opening
36
IBIT undone for 6
months
IBIT not requested by the client from
6 months and 24h
HW (ON/OFF)
Contactor opening
37
Inconsistent
temperatures
Delta temperature over all the
module > 10°C during 2s
HW (ON/OFF) / Reset Client / Auto-reset
38
Low SMUs supply
voltage
Default on V_POWER_SMU
HW (ON/OFF) / Reset Client / Auto-reset
Contactor opening
39
Unbalanced cells
Delta cell voltage over all the module
> 100mV during 2s IF SOC > 20%
and Vcell_min > 3.5V
HW (ON/OFF) / Reset Client / Auto-reset
41
Communication to client
lost
CAN message not received correctly
by the BMM during a timeout
depending on the CAN baud rate.
HW (ON/OFF) / Reset Client / Auto-reset
42
Invalid cell number
encountered
Number of cells not coherent with
expected configuration (140 cell)
HW (ON/OFF)
Contactor opening
43
Invalid SMU software
version encountered
One or more SMU don’t have the
same software version
HW (ON/OFF)
Contactor opening
44
IMD / IMR values are
invalid
Error in the function calculating the
IMD and IMR
HW (ON/OFF) / Reset Client / Auto-reset
Remarks:
- HW reset is done by switching OFF/ON the 24V power supply
- Customer reset is done by sending a message by CAN open
- Self-reset is done when the fault condition disappear (with a hysteresis and delay).