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KNX Gateways for Inverters / INV-KNX SMA User Manual

Firmware and technical data

Applicable firmware, the update procedure and electrical and installation specifications for INV-KNX SMA.

elausys · 19 September 2026
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Firmware version and update

This manual and the related ETS application apply to firmware V3.2.3.1 and above. Read the firmware version in the top-right corner of the gateway webpage or read GO 2 in ETS.

If Elausys provides updated firmware for this device, open FW Update on the gateway webpage, select the supplied binary file and press Update. After updating, read the firmware version again and repeat the communication and measurement checks in Section 7.

Technical data

SpecificationValue
Auxiliary supply12-30 VDC / GND, screw terminal
KNX bus current< 16 mA at 29 VDC, typical
Operating temperature+5 °C to +45 °C
Enclosure width2 space units (2 modules)
MountingDIN rail
KNX terminalPluggable red/black micro terminal, 4-pole PUSH WIRE; solid conductor wire 0.6-0.8 mm² as stated in the source
KNX bus voltage29 VDC

Product information and support: elausys.com. Related document: KNX Logic Module User Manual. SMA configuration reference: Sunny Explorer user manual or the manual for the installed inverter.

Manual navigation

All chapters of the INV-KNX SMA user manual

Frequently Asked Questions

Which gateway firmware does this manual apply to?

This manual and the related ETS application apply to firmware V3.2.3.1 and above.

Where can I read the installed firmware version?

Open the gateway webpage. The installed firmware version appears in the top-right corner.

How do I install firmware supplied for the gateway?

Open FW Update on the gateway webpage, select the supplied binary file and press Update.

Keep exploring

Find the other guides for this product in the documentation.

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