Open DTU (Hoymiles) NodeRed MQTT WR Modul

Fragen zur Nutzung, Features, usw..
DirkS
Beiträge: 46
Registriert: Mi Aug 04, 2021 7:14 am

Re: Open DTU (Hoymiles) NodeRed MQTT WR Modul

Beitrag von DirkS »

Das weiß AHOY oder OpenDTU nicht. Daher ist die Middleware notwendig. Ich habe auch mehrere Microinverter und habe nur Einzelwerte. Die muss ich erstmal addieren. Am besten wäre es wenn AHOY und OpenDTU eine weitere OpenWB Funktion bekommen würden und dann genau das addieren und an richtige Topics senden ünernehmen würden. Dann wäre keine Middleware notwendig.
abudu
Beiträge: 20
Registriert: Mi Feb 24, 2021 9:39 pm
Wohnort: Kreis Heinsberg

Re: Open DTU (Hoymiles) NodeRed MQTT WR Modul

Beitrag von abudu »

@DirkS, danke für die unkomplizierte Erklärung :!:
Dann hatte ich es doch richtig verstanden, genauso wie du das erklärt hattest.

Somit heist es dann jetzt für mich: a new IO-Broker should be born :lol:
aiole
Beiträge: 6947
Registriert: Mo Okt 08, 2018 4:51 pm

Re: Open DTU (Hoymiles) NodeRed MQTT WR Modul

Beitrag von aiole »

Wäre es dann nicht cleverer, einen etwas potenteren ESP32 zu nehmen (normalerweise packt das auch der ESP8266) und die Werte gleich korrekt für oWB-MQTT aufzubereiten?
Fragt doch mal die Entwickler von AHOY und OpenDTU. Gegen Spende geht da meist etwas.

NR ist super, aber dafür extra einen RPI laufen lassen? Wenn bereits 24/7-laufende Hardware da ist (für FHEM, openHAB, IOB o.ä.), wär's ok.
abudu
Beiträge: 20
Registriert: Mi Feb 24, 2021 9:39 pm
Wohnort: Kreis Heinsberg

Re: Open DTU (Hoymiles) NodeRed MQTT WR Modul

Beitrag von abudu »

aiole hat geschrieben: Di Okt 18, 2022 8:22 am NR ist super, aber dafür extra einen RPI laufen lassen?
Exakt, das war auch der Grund für mich hier bei euch mal nachzufragen.
DirkS
Beiträge: 46
Registriert: Mi Aug 04, 2021 7:14 am

Re: Open DTU (Hoymiles) NodeRed MQTT WR Modul

Beitrag von DirkS »

Ich finde auch es wäre viel schöner direkt von der OpenDTU die Daten zur OpenWB zu senden.

Daher habe ich einen Feature Request gestellt. https://github.com/tbnobody/OpenDTU/issues/240
Eventuell bekommt es mehr Gehör wenn sich weitere User melden und die Idee toll finden ;)

Für alle die NodeRed und HomeAssistant nutzen hier nun mein NodeRed Flow der soweit sehr zufriedenstellend läuft:

Code: Alles auswählen

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Vielen Dank für die Hilfe hier! :D
aiole
Beiträge: 6947
Registriert: Mo Okt 08, 2018 4:51 pm

Re: Open DTU (Hoymiles) NodeRed MQTT WR Modul

Beitrag von aiole »

sehr gut
+ Info unter Discussions https://github.com/tbnobody/OpenDTU/discussions
Dort kannst Du auch diesen oWB-thread verlinken.

+ Motivationsspende, wenn openDTU so etwas anbietet ;)

ps
Es scheint auch für andere Geräte MQTT-Ansteuerbedarf zu geben.
DirkS
Beiträge: 46
Registriert: Mi Aug 04, 2021 7:14 am

Re: Open DTU (Hoymiles) NodeRed MQTT WR Modul

Beitrag von DirkS »

DirkS
Beiträge: 46
Registriert: Mi Aug 04, 2021 7:14 am

Re: Open DTU (Hoymiles) NodeRed MQTT WR Modul

Beitrag von DirkS »

Der Flow hatte doch noch ein paar Unstimmigkeiten.

  • Watt Momentanwerte wurden manchmal mit sehr vielen Nachkommastellen ausgegeben - fixed mit Function Node, gerundet auf zwei
    Nachkommastellen.
  • Ich habe YieldDay als Gesamtertrag übermittelt was aber falsch ist. OpenWB erwartet YieldTotal. - fixed
  • YieldTotal kommt von OpenDTU aber als kWh. Daher wird es nun in Wh umgerechnet. ACHTUNG wenn bereits Gesamtertragsdaten von Hoymiles gesammtelt wurden, werden die dann auf einmal übermittelt und OpenWB zeigt das dann als Tagesertrag an. Also sind die Ertragsdaten für diesen Tag verfälscht.
  • Die Übermittlung von Werten wird nun entprellt. d.h wenn es keine Änderung gibt wird auch nicht an die OpenWB übermittelt. Datensparsamkeit. Beim Wh counter wird zudem geschaut ob der Wert auch wirklich größer ist. Er kann ja nicht kleiner sein. Das soll helfen Fehlübermittlungen aufzufangen welche die Statistik kaputt machen.
WICHTIG:

Enable Expiration ausschalten. Sonst kommen keine Daten wenn keine PV Produktion da ist und im Flow werden dann dauern Null Werte übermittelt. Das macht alles kaputt :D
2022-10-18 21_28_36-.png
2022-10-18 21_28_36-.png (7.9 KiB) 7498 mal betrachtet
Hier der neue Flow:

Code: Alles auswählen

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DirkS
Beiträge: 46
Registriert: Mi Aug 04, 2021 7:14 am

Re: Open DTU (Hoymiles) NodeRed MQTT WR Modul

Beitrag von DirkS »

Noch eine Änderung.

Hier wurde ich darauf hingewiesen, dass YieldTotal der DC Wert ist. https://github.com/tbnobody/OpenDTU/dis ... nt-3913193

Daher nun noch den Wirkungsgrad beachten damit die OpenWB auch die korrekten Gesamtertragswerte erhält.

Code: Alles auswählen

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