| Device Type | Variants | Modbus TCP (Ethernet) | Minimum device firmware version |
|---|
| Sunny Island | SI 3.0M-11 | ✅ | 03.41.01.R |
| SI 4.4M-11 |
| SI 6.0H-11 |
| SI 8.0H-11 |
| SI 4.4M-12 |
| SI 6.0H-12 |
| SI 8.0H-12 |
| SI 4.4M-13 |
| SI 6.0H-13 |
| SI 8.0H-13 |
For correct ethernet wiring: Follow the the guidelines for ethernet wiring.
- Connect with your computer on the same LAN network as the SMA Sunny Island.
- In your web browser, surf to the IP address of the device.
- Log in as "Installer."
- Go to the device parameters tab.
- Click "Edit parameters."
- Open the "External Communication" dropdown menu → "Modbus" → "TCP server."
- Set "Activated" to "Yes" and "Port" to "502".
- At the top of the page, click "Save all."
Last updated August 24, 2026
