FNS POWER FCIFP48100A - Page 19

16
5
CAN L
2-wire CAN communication,
complying with the CAN protocol
6
NC
Reserved
7
RS485 A
RS485 communication,
complying with the Modbus protocol,
connect to Pin2 in parallel
8
RS485 B
RS485 communication,
complying with the Modbus protocol,
connect to Pin1 in parallel
Figure 5-6: Communication Cable Connections among Multiple Batteries
5.Connect the communication line between battery and inverter
 Keep the battery off.
 Connect the inter-battery communication cascade.

RS485 communication line connecting the inverter to the battery.

Adjust the DIP switch, the largest dip switch address is the last battery.
 When the batteries are connected in parallel, the DIP bit (sixth bit) of the first battery and the
last battery must be turned to ON. The following three are connected in parallel.