EMS Tags (Energy Management System)

Namespace prefix: 0x01

Power Values

Tag	Hex	Type	Description
EMS_REQ_POWER_PV	0x01000001	None	Request PV power
EMS_POWER_PV	0x01800001	Int32	PV generation in watts
EMS_REQ_POWER_BAT	0x01000002	None	Request battery power
EMS_POWER_BAT	0x01800002	Int32	Battery power in watts (negative = charging)
EMS_REQ_POWER_HOME	0x01000003	None	Request home consumption
EMS_POWER_HOME	0x01800003	Int32	Home consumption in watts
EMS_REQ_POWER_GRID	0x01000004	None	Request grid power
EMS_POWER_GRID	0x01800004	Int32	Grid power in watts (negative = feed-in)
EMS_REQ_POWER_ADD	0x01000005	None	Request additional power
EMS_POWER_ADD	0x01800005	Int32	Additional source power in watts

Battery State

Tag	Hex	Type	Description
EMS_REQ_BAT_SOC	0x01000008	None	Request state of charge
EMS_BAT_SOC	0x01800008	Float32	Battery SOC in percent (0-100)
EMS_REQ_AUTARKY	0x01000006	None	Request autarky rate
EMS_AUTARKY	0x01800006	Float32	Autarky percentage
EMS_REQ_SELF_CONSUMPTION	0x01000007	None	Request self-consumption rate
EMS_SELF_CONSUMPTION	0x01800007	Float32	Self-consumption percentage

Control

Tag	Hex	Type	Description
EMS_REQ_SET_POWER	0x01000030	Container	Set power mode + value
EMS_REQ_SET_POWER_MODE	0x01000031	UChar8	Power mode (0=normal, 1=idle, 2=discharge, 3=charge, 4=grid charge)
EMS_REQ_SET_POWER_VALUE	0x01000032	Int32	Power value in watts
EMS_SET_POWER	0x01800030	Container	Confirmation

Emergency Power

Tag	Hex	Type	Description
EMS_REQ_EMERGENCY_POWER_STATUS	0x01000073	None	Request EP status
EMS_EMERGENCY_POWER_STATUS	0x01800073	UChar8	EP status
EMS_REQ_SET_EMERGENCY_POWER	0x01000074	UChar8	Enable/disable EP
EMS_SET_EMERGENCY_POWER	0x01800074	UChar8	Confirmation

Limits

Tag	Hex	Type	Description
EMS_REQ_MAX_CHARGE_POWER	0x01000101	None	Request max charge power
EMS_MAX_CHARGE_POWER	0x01800101	Int32	Max charge power in watts
EMS_REQ_MAX_DISCHARGE_POWER	0x01000102	None	Request max discharge power
EMS_MAX_DISCHARGE_POWER	0x01800102	Int32	Max discharge power in watts