Sunny Boy

Supported Devices
Device Type | Variants | Modbus TCP (Ethernet) | Curtailment | Minimum firmware version |
---|---|---|---|---|
Sunny Boy | SB 3.0 | ✅ | ✅ | 4.03.07.R |
SB 3.6 | ||||
SB 4.0 | ||||
SB 5.0 | ||||
SB 6.0 |
Wiring
For correct ethernet wiring: Follow the the guidelines for ethernet wiring.
Configuration
- Connect with your computer on the same LAN network as the SMA Sunny Boy.
- 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."


Connection to the Controller
You then need to connect the device to the controller, for that follow this guide : Adding a device.