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Pin
Connection
1
-V_isoCAN
2
CAN_N
3
EXTCAN_TERM1
4
COM
5
MODBUS_N
6
EXTMOD_TERM1
7
+12V_isoCAN
8
CAN_P
9
EXTCAN_TERM2
10
+VSYS
11
MODBUS_P
12
EXTMOD_TERM2
3.3.3. Ethernet
The Ethernet connector is a standard RJ45 Ethernet jack. Connect external equipment to this
connector.
Document ID: NE-IG-001
Table 4. CAN 485: Molex Micro-Fit 3.0 Connector
Molex 43025-1200
Manufacturer
Housing
Housing material
Circuits
Crimp terminal
Wire gauge range
Table 5. CAN 485 Connector Pin Assignment
Description
Power return from Pin 7
CAN bus differential pair negative
Termination Resistor; Short to Pin 9 to add
120Ω bus termination
Power return from SC
MODBUS differential pair negative
Termination Resistor; Short to Pin 12 to add
150Ω bus termination
+5.5~12Vdc isolated CAN bus power
CAN bus differential part positive
Termination Resistor; Short to Pin 3 to add
120Ω bus termination
+24Vdc Power supply
MODBUS differential pair positive
Termination Resistor; Short to Pin 6 to add
150Ω bus termination
Table 6. Ethernet Connector Pin Assignment
Nuvation Energy High-Voltage BMS - Installation Guide
Molex Incorporated
43025-1200
Nylon UL94V-0
12
43030-0002
AWG20-24 stranded
Connected to Device
External Equipment
External Equipment
CAN 485 Connector
External Equipment
External Equipment
CAN 485 Connector
External Equipment
External Equipment
CAN 485 Connector
External Equipment
External Equipment
CAN 485 Connector
7
Rev 2.1, 2020-03-13
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