18
4.6. Wire sizes
!
Caution!
Use appropriate wire for the connection to ensure no overheating or unnecessary
losses occur.
!
Caution!
To ensure IP54, make sure to use the right wire size
Connection
Wire diameter min-max
BT+
13 - 21 mm
Load +
13 - 21 mm
BT-
2 - 5 mm
J3
3 - 7 mm
Table 10. Connecting wires
4.6.1. Connecting the CAN network cables
!
Caution!
To ensure IP54, make sure the J2 connection remains covered by the cover when it is
not used.
The Li-ion batteries should be connected to the BIB via the CAN interface. Start creating the
CAN bus connection as shown in figure 7.
Figure 7. Connecting the CAN network cables.
CAN network
battery bank
