| Device Type | Variants | Modbus TCP (Ethernet) | Minimum device firmware version |
|---|
| Sunny Island X | Sunny Island X 30 (SI30-20) | ✅ | 03.04.80.R |
| Sunny Island X 50 (SI50-20) |
| Sunny Island X 27 US208 (SI27-US208-20) |
| Sunny Island X 40 US480 (SI40-US480-20) |
| Sunny Island X 60 US480 (SI60-US480-20) |
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 X.
- 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
