V-TAC ESS Series, Instruction Manual, Page: 9 / 33

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Figure 7. Battery module operation panel
The definition of the battery module operation panel is shown as follows.
Table 3. Operation panel definition
No. Items Remark
1 Communication port
Communicate with other battery modules;
Communicate with high-voltage box.
2 Running indicator Indicate battery module running status.
3 Reset switch Reset BMU.
4 Output connectors Battery module output connectors.
5 Ground Ground.
3.2.2.3 PIN Definition
The PIN definition of a communication port is shown as follows.
Table 4. Communication port PIN definition
Location schematic diagram Location Definition Remark
1 24 V+
BMU power supply
2 24 V-
3 - -
4 CAN0H
Communication between BMU and BCU. 5 CAN0L
6 CAN0S
3.2.2.4 Technical Specifications