This project integrates a KaifaMA309 (TINETZ) smartmeter into HomeAssistant. Thanks to [1] for this great work! This repository is basically a refactoring with some minor changes.
Please follow [2] to setup your hardware. I use exactly this hardware setup and it works fine.
I first had the problem that /dev/ttyUSB0 was not shown after installing a
new Raspberry Pi 4 and connecting the USB to MBUS converter. It seems that
there is a kernel bug and a kernel downgrade, therefore, solves this issue.
I made the downgrade through sudo rpi-update da70b00.
To installl all requirements call ./setup.sh. Next you either setup a broker
in HomeAssistant (install through addons) or you install your
own broker. If you want to setup a new broker, ensure that you enable external
acccess:
sudo nano /etc/mosquitto/mosquitto.conf
# Add the following lines at the end of the file:
listener 1883
allow_anonymous true
# Restart service
sudo systemctl restart mosquitto
Finally, add all the sensors to HomeAssistant. Open the configuration.yaml file
in HomeAssistant and add the following:
sensor:
- platform: mqtt
name: "Energy In"
unique_id: "smart_meter_energy_in"
device_class: "energy"
state_class: "total_increasing"
unit_of_measurement: "kWh"
state_topic: "home/smart_meter/energy_in"
- platform: mqtt
name: "Power In"
unique_id: "smart_meter_power_in"
device_class: "power"
state_class: "measurement"
unit_of_measurement: "kW"
state_topic: "home/smart_meter/power_in"
- platform: mqtt
name: "Reactice Energy In"
unique_id: "smart_meter_reactive_energy_in"
device_class: "energy"
state_class: "total_increasing"
unit_of_measurement: "kWh"
state_topic: "home/smart_meter/reactive_energy_in"
- platform: mqtt
name: "Energy Out"
unique_id: "smart_meter_energy_out"
device_class: "energy"
state_class: "total_increasing"
unit_of_measurement: "kWh"
state_topic: "home/smart_meter/energy_out"
- platform: mqtt
name: "Power Out"
unique_id: "smart_meter_power_out"
device_class: "power"
state_class: "measurement"
unit_of_measurement: "kW"
state_topic: "home/smart_meter/power_out"
- platform: mqtt
name: "Reactice Energy Out"
unique_id: "smart_meter_reactive_energy_out"
device_class: "energy"
state_class: "total_increasing"
unit_of_measurement: "kWh"
state_topic: "home/smart_meter/reactive_energy_out"
- platform: mqtt
name: "Voltage L1"
unique_id: "smart_meter_voltage_l1"
device_class: "energy"
state_class: "measurement"
unit_of_measurement: "V"
state_topic: "home/smart_meter/voltage_l1"
- platform: mqtt
name: "Voltage L2"
unique_id: "smart_meter_voltage_l2"
device_class: "energy"
state_class: "measurement"
unit_of_measurement: "V"
state_topic: "home/smart_meter/voltage_l2"
- platform: mqtt
name: "Voltage L3"
unique_id: "smart_meter_voltage_l3"
device_class: "energy"
state_class: "measurement"
unit_of_measurement: "V"
state_topic: "home/smart_meter/voltage_l3"
- platform: mqtt
name: "Current L1"
unique_id: "smart_meter_current_l1"
device_class: "energy"
state_class: "measurement"
unit_of_measurement: "A"
state_topic: "home/smart_meter/current_l1"
- platform: mqtt
name: "Current L2"
unique_id: "smart_meter_current_l2"
device_class: "energy"
state_class: "measurement"
unit_of_measurement: "A"
state_topic: "home/smart_meter/current_l2"
- platform: mqtt
name: "Current L3"
unique_id: "smart_meter_current_l3"
device_class: "energy"
state_class: "measurement"
unit_of_measurement: "A"
state_topic: "home/smart_meter/current_l3"Now restart your HA and you should see the sensors. To update values you have to run the script.
You can simiply run the script to test whether values are updated in HomeAssistant.
python ha_bridge.py --serial_key=YOUR_SMARMETER_KEY \
--mqtt_server=YOUR_MQTT_SERVER \
--mqtt_user=YOUR_USER \
--mqtt_passwd=YOUR_PASSWORDCreate the following file with sudo nano /etc/systemd/system/ha_bridge.service:
[Unit]
Description=HomeAssistant Bridge
After=multi-user.target
[Service]
Type=simple
Restart=always
ExecStart=/usr/bin/python3 /home/pi/Dev/smartmeter-ha/ha_bridge.py --serial_key=YOUR_SMARMETER_KEY --mqtt_server=YOUR_MQTT_SERVER --mqtt_user=YOUR_USER --mqtt_passwd=YOUR_PASSWORD
[Install]
WantedBy=multi-user.target
Next reload the deamon and enable our service so it works also after a restart:
sudo systemctl daemon-reload
sudo systemctl enable ha_bridge.service
sudo systemctl start ha_bridge.service
To show output logs of your service, simply call
ournalctl -f -u ha_bridge.service
First of all thanks for "tirolerstefan" and Michael Reitbauer for the great work that
helped me to realize this project based on their implementations.
[1] https://github.com/tirolerstefan/kaifa/
[2] https://www.michaelreitbauer.at/kaifa-ma309-auslesen-smart-meter-evn/
[3] https://www.tinetz.at/uploads/tx_bh/tinetz_smart-meter_beschreibung-kundenschnittstelle_001.pdf
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