Sofar solar HYD 10K-20KTL-3PH User Manual page 33

Please refer to the following figure for RS485 connection When you need to
use RS485 as a cascade of monitoring between inverters.
Fig.4-11 RS485 connection(
Table 4-10 Interface description
PIN Definition
1 RS485A1-1
2 RS485A1-2
3 RS485B1-1
4 RS485B1-2
5 CANH/RS485A
6 CANL/RS485B
7 RS485-A
8 RS485-B
4.6.4 Link Port 0&1-Cascade communication interface
Fig.4-12 Link Port
HYD 10-20KTL-3PH
④
cascade of monitoring between inverters
Function
RS485 differential signal +
RS485 differential signal +
RS485 differential signal –
RS485 differential signal –
CAN high data/
RS485 differential signal +
CAN low data/
RS485 differential signal -
RS485 differential signal +
RS485 differential signal –
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Copyright © Shenzhen SOFARSOLAR Co., Ltd
User manual
)
Note
Used for wired monitoring
or cascade monitoring
between inverters
For communication with
lithium battery BMS, CAN
or RS485 communication
CAN be selected by setting
For communicating with
electricity meters
⑤