59
Electrical Connection
Table 8-7 Pin assignment of BMS terminal
Pin Pin assignment
1 EXT_NTC
2 GND
3 GND
4 BMS_CANH
5 BMS_CANL
6 X
7 BMS_485A
8 BMS_485B
* The pin assignment of communication terminal on the battery must be consistent with
the assignment of Pin 4, 5, 7 and 8 above.
Wiring procedure
Step 1: Prepare a CAT5E network cable, thread the network cable through waterproof
connector (part D) and strip off the 15 mm insulation of the cable.
15 mm
Figure 8-35 Stripping the insulation
Step 2: Insert the stripped section into the RJ45 terminals (from part D). Crimp it tightly
with a crimping tool for RJ45. Pay attention to the pin order of RJ45 terminals.
Use a network cable tester to check if the cable has been correctly and properly
crimped before connecting to inverter.
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