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6.2
Connections details
Each battery module contains two CAN-Bus connectors to connect to one of the master BMSs.
This CAN-Bus connection is used for several functions:
Data communication between battery module(s) and master BMS;
The battery module uses the V+ to enable the power of the internal BMS;
The HE Series have the option to have RJ45 or M12 CAN-Bus connectors.
RJ45 CAN-bus connector details
The standard connectors in the LFP Series are the RJ45 CAN-Bus connectors.
Connector details
Typical cables that are used for the RJ45 CAN-Bus connections are standard CAT 5 Ethernet network patch
cables.
Table 7 – RJ45 connector details
Pin
Description
Connector view
1
2
3
GND
4
5
6
V+
7
CAN-H
8
CAN-L
NOTICE:
Always use standard prefabricated Ethernet network patch cables (straight).
