Modbus Server IDs
This table shows how device types are mapped to server unit identifiers.
| Device type | Unit Identifier |
|---|---|
| SYSTEM (EMS-ESP) | 1 |
| BOILER | 5 |
| THERMOSTAT | 6 |
| MIXER | 7 |
| SOLAR | 8 |
| HEATPUMP | 9 |
| GATEWAY | 10 |
| SWITCH | 11 |
| CONTROLLER | 12 |
| CONNECT | 13 |
| ALERT | 14 |
| EXTENSION | 15 |
| GENERIC | 16 |
| HEATSOURCE | 17 |
| VENTILATION | 18 |
| WATER | 19 |
| POOL | 20 |