Connect Communication Cables - Nuvation Energy NUV300-BC-12 Product Manual

the Low-Voltage BMS and power the contactor coils. The positive of this source must connect through
a fuse to pin 1 of the
connect through a fuse to pin 6 of the
Contactors / -V Power connector
This will connect the negative of the external power source to the most negative end of the attached
stack, so caution must be exercised when choosing the power source to ensure that this is acceptable
and safe. On the other hand, an external supply that is either NEC Class 2 or a limited power supply
(LPS) can be used to power the BMS without external fuses.
While the maximum input voltage to the Low-Voltage BMS will not exceed 60V,

precaution should be taken to avoid any short circuits, as high current levels could
present a burn and fire hazard.
Figure 11. Connection example for powering the Low-Voltage BMS from external DC power

4.2.4. Connect Communication Cables

Four of the Low-Voltage BMS connectors use an RJ45 connector:
▪
Link Out
▪
Ethernet
▪
RS485 / Modbus RTU
▪
CAN
Connect the cables that apply to your application.
Document ID: NE-PM-002
Current Shunt / +V Power connector
Contactors / -V Power
must be connected directly to the most negative end of the stack.
Nuvation Energy Low-Voltage BMS - Product Manual
and the negative of this source must
connector. In this situation, pin 5 of the
source
16 Rev 1.2, 2021-03-03
Curie Update 1