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21
Note:
1) The communication between the inverter and the battery must be connected to the CAN communication
port of the battery, otherwise communication cannot be performed; the communication between the
batteries must be connected to the RS485 port.
Figure 19 Interface icon
2) The communication port pins connecting the primary to the inverter are defined as follows:
Table 8
Definition of CAN Port Pins
CAN-INVERTER Port
RJ45 Pins
Definition
1
、
8
RS485A-B
2
、
7
RS485A-A
3
NC
4
Can-H1
5
Can-L1
6
GNDC
3) The communication port pins connecting the subs to the primary are defined as follows:
Table 9
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