Communication; Connecting The Communication Cable - Goodwe HT Series User Manual

06 Electrical Connection

6.5 Communication

6.5.1 Connecting the Communication Cable

Make sure that the communication device is connected to the right COM port. Route the
communication cable far away from any interference source or power cable to prevent the
signal from being influenced.
RS485 networking scenario
...
RS485
...
Inverter
...
RS485
...
Inverter
...
RS485
...
Inverter
Connect the RS485 port of the inverter to the Data Logger. The total length of the connection
cable is less than 1000m.
Keep the communication cable away from power cables to prevent the communication from
being interrupted.
If more than 2 inverters are connected and also connected to the data logger, at most 20
inverters are allowed on the daisy chain.
Connecting the RS485 Communication Cable
Communication Type
RS485
Reserved
RS485
Inverter
RS485
Inverter
RS485
Inverter Inverter
COM Port
Port Definition
1: RS485 A
2: RS485 B
3: RS485 A
COM2
4: RS485 B
5: Grounding
6: Grounding
COM3 -
NOTICE
RS485
Inverter
RS485
Inverter
RS485
Function Description
Used to connect the inverter to other
inverters or the RS485 port on the data
logger.
You can refer to SCB3000 User Manual.
Visit https://en.goodwe.com/Ftp/EN/
Downloads/User%20Manual/GW_
SCB3000_User%20Manual-EN.pdf
the user manual.
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User Manual V1.0-2022-05-04
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