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KNX Gateways for Inverters / INV-KNX GoodWe User Manual

Network and inverter configuration

Gateway network settings and the GoodWe configuration needed to establish Modbus communication.

elausys · 12 September 2026
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Gateway web configuration

The factory gateway IP address is 192.168.1.51. Connect a laptop that can reach this address and open it in a browser. Assign a free fixed IP address suitable for the installation and reconnect at the new address after applying the change.

SettingValue
ModeConnect
Server IPIP address of the inverter
Server Portthe inverter Modbus TCP port
Unit IDthe inverter Modbus TCP UID (default 247)

Connection check

After setting the application model and communication parameters, check that the Connected LED is on. The Network LED confirms only the physical Ethernet link; it does not confirm valid inverter data on KNX.

Configure GoodWe

Modbus TCP must be enabled on the inverter, refer to the inverter user manual.

Manual navigation

All chapters of the INV-KNX GoodWe user manual

Frequently Asked Questions

What is the gateway factory IP address?

The factory address is 192.168.1.51. Use a laptop that can reach this address, assign a suitable free fixed IP address and reconnect at the new address.

Which Modbus connection settings should I use?

Use Connect mode and the inverter IP address. Match the inverter Modbus TCP port and UID; the documented default UID is 247.

Keep exploring

Find the other guides for this product in the documentation.

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