Connection arrangement
The KNX bus is connected on the top side of the gateway.
An external power supply 12-30VDC is required and connected on the bottom side of the module, beside the RJ45 connector for the ethernet cable.
KNX at the top; auxiliary supply and Ethernet at the bottom.
| Front panel element | Meaning |
|---|---|
| Network LED | Physical Ethernet connection is established. |
| Connected LED | Communication with the inverter is established. |
| P button | KNX programming mode. |
| Red LED | KNX programming status. |
Compatibility and limitations
This gateway is intended to be used with a HUAWEI inverter compatible with the SUN2000 modbus interface definition or the EMMA module. Please refer to the inverter provider to check if your model is compatible with modbus TCP or contact us.
SUN2000 Series:
The SUN2000 series inverters are connected by ethernet using a SmartDongle or the EMMA Energy Management Assistant. For SUN2000 series equipped with a SmartDongle, the firmware version of the dongle should be >= SPC120.
EMMA:
The EMMA is connected to the same router as the KNX gateway.
SUN2000L Series:
The SUN2000L inverters are connected to the WIFI network on the same router as the KNX gateway.
Huawei connection examples
SUN2000 network connection.
SUN2000L Wi-Fi connection.