Modbus driver
Modbus/TCP is handled in the bridge service alongside JSON API sources.
Key API routes
| Method | Path | Purpose |
|---|---|---|
| GET | /api/modbus/driver/tree |
Device/register tree |
| POST | /api/modbus/scan |
Discover devices |
| POST | /api/modbus/read |
Read registers |
| GET | /api/modbus/poll/status |
Poll status |
Dashboard
Modbus tab (/modbus) — same commissioning pattern as BACnet: tree, poll rates, historian storage.
Enable with OPENFDD_MODBUS_ENABLED=1 (default in full-edge profile).