External Interfaces; Stack Switchgear; Battery Stack And Dc Bus; Ethernet - Nuvation Energy NUVSSG-1250-100 Product Manual

8. External Interfaces

8.1. Stack Switchgear

8.1.1. Battery Stack and DC Bus

The connectors use #M8 screws (included) and are intended for #M8 lugs (not included, e.g. Panduit
Corp LCMA50-8-L).
Flexible snap-on terminal covers are included. The maximum acceptable terminal lug tongue width is
1.1 inches and the maximum wire size is 4/0.
The recommended tightening torque is 5.7 to 6.8 N-m [50 to 60 in-lbs].
Table 13. Battery Stack and DC Bus Connector Assignment
Name
Battery (-)
Battery (+)
DC Bus (-)
DC Bus (+)

8.1.2. Ethernet

The Ethernet jack is a standard RJ45 Cat5e rated jack.
Pin Connection
1 TD_P
2 TD_N
3 RD_P
4 NUL45
5 NUL45
6 RD_N
7 NUL78
Document ID: NE-PM-003
Description
Negative terminal of battery stack
Positive terminal of battery stack
Negative terminal of DC bus
Positive terminal of DC bus
Table 14. Ethernet Connector Pin Assignment
Description
Transmit differential pair positive
Transmit differential pair negative
Receive differential pair positive
Unused; connected to Pin 5 and terminated
Unused; connected to Pin 4 and terminated
Receive differential pair negative
Unused; connected to Pin 8 and terminated
Nuvation Energy High-Voltage BMS - Product Manual
71
Connected to Device
Battery stack
Battery stack
External equipment
External equipment
Connected to Device
External Equipment
External Equipment
External Equipment
External Equipment
External Equipment
External Equipment
External Equipment
Rev 1.2, 2021-03-03
Curie Update 1