Netz-NÖ SmartMeter-P1-Reader

https://www.netz-noe.at/Download-(1)/Smart-Meter/218_9_SmartMeter_Kundenschnittstelle_lektoriert_14.aspx

Dieses Skript entschlüsselt Telegramme (DLMS) von der P1 Schnittstelle eines Sagemcom T210-D. Die Telegramme werden anschließend geparst und folgende Werte an einen MQTT-Broker gesendent:

kWh_in: Bezogene Energie in kWh (Gesamtwert)
kWh_out: Eingespeiste Energie in kWh (Gesamtwert)
pwr_in: Aktueller Verbrauch in Watt
pwr_out: Aktuelle Einspeisung in Watt

Installation:

Python libraries installieren (pip install -r requirements.txt)
Konfigurationsparameter im .env-File eintragen. Der KEY ist der Entschlüsselungskey, welcher von Netz-NÖ beantragt werden muss.
Falls das Skript nicht als root ausgeführt wird: Anlegen der Datei "/var/log/decrypter.log" (Setzen der Rechte auf die Datei nicht vergessen).

Beispiel-Konfiguration:

PORT='/dev/ttyUSB0'
BAUD=2400
KEY=XXXXXXXXXXXXXXXXXXXXXXX
LOGLEVEL=WARNING
MQTT_USER=mqttuser
MQTT_PASS=mqttpassword
MQTT_HOST='192.168.420.666'
MQTT_PORT=1883
MQTT_TOPIC='/haus/smartmeter/vals'

Run as a Service

Folgende Datei anlegen: /etc/systemd/system/smart.service
Die Parameter "ExecStart", "User" und "Group" anpassen nicht vergessen!

[Unit]
Description=Smart Meter Decrypter
Documentation=https://github.com/langi0815/Netz_NOE_SmartMeter_P1_Reader
After=networking.service
[Service]
Type=simple
User=pi
Group=pi
TimeoutStartSec=0
Restart=on-failure
RestartSec=30s
ExecStart=/usr/bin/python3 /home/pi/scripts/decrypter.py
[Install]
WantedBy=multi-user.target

Danach folgende Befehle ausführen:

sudo systemctl enable smart
sudo systemctl start smart

Mit folgendem Befehl kann überprüft werden, ob der Service ordnungsgemäß läuft:

sudo systemctl status smart

Falls es Probleme gibt:

sudo journalctl -u smart (nach unten scrollen nicht vergessen)

Verwendete Hardware:

BELTI USB-zu-MBUS-Slave-Modul (von Amazon)
RJ12 Kabel
Raspberry Pi

Für die Aufbereitung der Daten wird Hassio + Mossquito-Broker empfohlen

Beispielconfig der Sensoren (Hassio):

 - platform: mqtt
    state_topic: /home/smartmeter/vals
    name: SmartMeter_kWh_in
    value_template: "{{value_json.kWh_in}}"
    unit_of_measurement: "kWh"
    last_reset_topic: '/home/smartmeter/vals'
    last_reset_value_template: '1970-01-01T00:00:00+00:00'
    device_class: energy
    state_class: measurement
  - platform: mqtt
    state_topic: /home/smartmeter/vals
    name: SmartMeter_kWh_out
    value_template: "{{value_json.kWh_out}}"
    unit_of_measurement: "kWh"
    last_reset_topic: '/home/smartmeter/vals'
    last_reset_value_template: '1970-01-01T00:00:00+00:00'
    device_class: energy
    state_class: measurement
  - platform: mqtt
    state_topic: /home/smartmeter/vals
    name: SmartMeter_power_in
    value_template: "{{value_json.pwr_in}}"
    unit_of_measurement: "W"
    last_reset_topic: '/home/smartmeter/vals'
    last_reset_value_template: '1970-01-01T00:00:00+00:00'
    device_class: energy
    state_class: measurement
  - platform: mqtt
    state_topic: /home/smartmeter/vals
    name: SmartMeter_power_out
    value_template: "{{value_json.pwr_out}}"
    unit_of_measurement: "W"
    last_reset_topic: '/home/smartmeter/vals'
    last_reset_value_template: '1970-01-01T00:00:00+00:00'
    device_class: energy
    state_class: measurement

Auslesen, entschlüsseln und parsen von Smart Meter Telegrammen

Related tags

Overview

Netz-NÖ SmartMeter-P1-Reader

Installation:

Run as a Service

Verwendete Hardware:

Owner

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