
HOME-ESS-LV-2.56K
Smart Energy, Sustainable Solutions
22
Note:
1) The connection between the inverter and the battery must be connected to the CAN communication port
of the battery, otherwise communication cannot be performed; the connection between the batteries must be
connected to the RS485 port.
Figure 20 Interface icon
2) The communication port pins connecting the primary to the inverter are defined as follows:
Table 7
Definition of CAN Port Pins
CAN-INVERTER Port
RJ45 Pins
Definition
1
、
8
RS485A-B
2
、
7
RS485A-A
3
NC
4
CANH1
5
CANL1
6
GNDC
3) The communication port pins connecting the subs to the primary are defined as follows:
Table 8
Definition of RS485 Port Pins
RS485-IN
RS485-OUT
RJ45 Pin
Definition
RJ45 Pin
Definition
1
、
8
RS485B-B
1
、
8
RS485B-B
2
、
7
RS485B-A
2
、
7
RS485B-A
3
IN
3
OUT
4
CANH0
4
CANH0
5
CANL0
5
CANL0
6
GNDC
6
GNDC
CAN-INVERTER
RS485-IN
RS485-OUT
CAN-INVERTER
RS485-IN
RS485-OUT