Power source genset (function 4)

Generator/group manager.

• state enum: off, contact, starting, on, stopping, error.

Published

device/4/<i>/life

metadata adds counter; expireAfterSec: 30.

data field	Type	Unit	Description
state	string	—	Group state (enum)
stateCode	int	—	Raw state
alarmTemperatureOil	bool	—	Oil temperature alarm
alarmTemperatureWater	bool	—	Water temperature alarm
noStart	bool	—	Auto-start blocked (batteries full)
noCutOff	bool	—	Stop rejected (batteries too low)
temperature	int	°C	Temperature
voltage	number (1 dec)	V	Voltage

{
  "data": {
    "state": "on",
    "stateCode": 3,
    "alarmTemperatureOil": false,
    "alarmTemperatureWater": false,
    "noStart": false,
    "noCutOff": true,
    "temperature": 72,
    "voltage": 13.8
  },
  "metadata": {
    "rxdate": "2026-06-17T14:30:45.123Z",
    "rxTimestamp": 1781793045,
    "expireAfterSec": 30,
    "counter": 7
  }
}

device/4/<i>/state

expireAfterSec: 30.

data field	Type	Unit	Description
voltage	number (1 dec)	V	Voltage
current	number (1 dec)	A	Current (signed)
rpm	int	rpm	Engine RPM
power	int	W	Output power

{
  "data": {
    "voltage": 13.8,
    "current": 110.5,
    "rpm": 1500,
    "power": 3200
  },
  "metadata": {
    "rxdate": "2026-06-17T14:30:45.123Z",
    "rxTimestamp": 1781793045,
    "expireAfterSec": 30
  }
}

mosquitto_sub -h 127.0.0.1 -t 'device/4/+/#' -v

Command — device/4/<i>/command

Regex ^device/4/([[:digit:]]+)/command$. If stopRequest and startRequest both true → startRequest cleared.

Field	Type	Description
startRequest	bool	Start group
stopRequest	bool	Stop group
clearError	bool	Clear error
ForceCmd	bool	Force command

mosquitto_pub -h 127.0.0.1 -t 'device/4/0/command' -m '{"startRequest":true}'
mosquitto_pub -h 127.0.0.1 -t 'device/4/0/command' -m '{"stopRequest":true}'