LVFU ESS cabinet back interface definition
When the battery cabinet is connected to external auxiliary sources and PCS and other equipment, it needs to be connected through the high-voltage box interface on the back of the cabinet. LVFU ESS interface definition layout is as follows:
Fig 1 Battery cabinet back interface (cabinet cover is hidden)
Fig 2 High pressure box back interface
The functions and pin definitions of each interface are as follows:
Table 1 High Voltage Box Interface Definition
| Interface name | Interface definition |
| AC Input | AC 220V power connection（1:L，2:N） |
| P- | Negative output of the battery |
| P+ | Positive output of the battery |
| J5 | Standby |
| J4 | PCS Communication (CAN Communication) |
| J3 | Debug interface |
| J2 | Master Addressing (Multiple Clusters) |
| J1 | Master Addressing (Multiple Clusters) |
| J0 | 24V DC output |
| LAN | Communicates with EMS |
Fig 3 Pin definitions of each interface
