10
main relay ...
DC bus -
DC bus +
control
battery bank
battery
supply
input
(J4, pin9)
BCI
DC-bus / external
suppply input ( J4, pin10)
GND(J4, pin1)
Figure 2. BCI supplied by the Li-ion battery bank
main relay...
DC bus -
DC bus +
control
battery bank
externally
supplied
BCI
DC-bus / external
suppply input ( J4, pin10)
GND(J4, pin1)
Figure 3. BCI supplied by external power supply
!
Caution!
If Li-ion battery banks with a setup depicted in figure 2 are put in parallel by
connecting the DC-bus, the self-shutdown functionality will only occur when all BCI’s power
is off. Until that happens the BCI will be fed by the DC-bus and is not able to self-shutdown.