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 |