# Uncategorized **URL:** https://community.openems.io/c/uncategorized/1.md [Latest](https://community.openems.io/latest.md) · [Categories](https://community.openems.io/categories.md) --- ## [Welcome to the OpenEMS Community](https://community.openems.io/t/welcome-to-the-openems-community/7)
**Author:** [@system](https://community.openems.io/u/system)\ **Replies:** 0\ **Last updated:** [March 2, 2019, 10:02am UTC](https://community.openems.io/t/welcome-to-the-openems-community/7 "2019-03-02T10:02:30Z")
OpenEMS - the Open Source Energy Management System - is a modular platform for energy management applications.It was developed around the requirements of monitoring, controlling, and integrating energy storage together w… --- ## [Huawei deye integration](https://community.openems.io/t/huawei-deye-integration/10998)
**Author:** [@connekt-smarthome](https://community.openems.io/u/connekt-smarthome)\ **Replies:** 3\ **Last updated:** [September 30, 2026, 9:05pm UTC](https://community.openems.io/t/huawei-deye-integration/10998 "2026-09-30T21:05:08Z")
Hello. Is it possible to integrate a Deye PV system with a Huawei PV system with openems? --- ## [Hi OpenEMS Community! Welcome & Introduction](https://community.openems.io/t/hi-openems-community-welcome-introduction/10979)
**Author:** [@siddhiphal](https://community.openems.io/u/siddhiphal)\ **Replies:** 1\ **Last updated:** [September 13, 2026, 11:20am UTC](https://community.openems.io/t/hi-openems-community-welcome-introduction/10979 "2026-09-13T11:20:55Z")
Hi OpenEMS Community! :waving\_hand: I’m Siddhi, M.Sc. Project Management student at GISMA University, Berlin. Background: 2.75 years managing operations at scale ($1M+ programs), currently researching AI-driven battery… --- ## [\[FEMS\] Max SoC einstellbar machen](https://community.openems.io/t/fems-max-soc-einstellbar-machen/10933)
**Author:** [@Teacfreak](https://community.openems.io/u/Teacfreak)\ **Replies:** 11\ **Last updated:** [August 21, 2026, 6:00pm UTC](https://community.openems.io/t/fems-max-soc-einstellbar-machen/10933 "2026-08-21T18:00:51Z")
Da laut Google KI dies Forum der beste Platz ist, Ideen für Features des FEMS zu platzieren, hier mein Wunsch bzw. meine Idee, die im Photovoltaikforum schon einige Male im Rahmen von Diskussionen angesprochen wurde: Zu… --- ## [Anbieter von Produkten auf openems Basis](https://community.openems.io/t/anbieter-von-produkten-auf-openems-basis/10929)
**Author:** [@fwo77](https://community.openems.io/u/fwo77)\ **Replies:** 1\ **Last updated:** [August 13, 2026, 7:56am UTC](https://community.openems.io/t/anbieter-von-produkten-auf-openems-basis/10929 "2026-08-13T07:56:47Z")
Hallo, kennt jemand einen Anbieter der Produkte auf Openems anbietet? Fenecon bietet dies leider nich eigenständig an. VG F --- ## [Request about FEMS Backports](https://community.openems.io/t/request-about-fems-backports/10708)
**Author:** [@Sn0w3y](https://community.openems.io/u/Sn0w3y)\ **Replies:** 6\ **Last updated:** [August 13, 2026, 7:21am UTC](https://community.openems.io/t/request-about-fems-backports/10708 "2026-08-13T07:21:32Z")
HI @stefan.feilmeier , as the backports are growing over time, I wanted to kindly ask whether it would be possible to split them into smaller, more focused chunks. From our side, maintaining upstream updates against ou… --- ## [Status of Odoo+Keycloak auth in Backend 2026.7.0](https://community.openems.io/t/status-of-odoo-keycloak-auth-in-backend-2026-7-0/10916)
**Author:** [@Elena](https://community.openems.io/u/Elena)\ **Replies:** 0\ **Last updated:** [August 3, 2026, 8:24am UTC](https://community.openems.io/t/status-of-odoo-keycloak-auth-in-backend-2026-7-0/10916 "2026-08-03T08:24:29Z")
Hi all, I’m running OpenEMS Backend 2026.7.0 via Docker/Portainer and I’m planning to set up authentication via Keycloak (combined with Odoo) instead of the current Metadata.Dummy. I noticed the release notes for 2026.… --- ## [update getting started docker info to prevent influxdb upgrade?](https://community.openems.io/t/update-getting-started-docker-info-to-prevent-influxdb-upgrade/10880)
**Author:** [@sjjh](https://community.openems.io/u/sjjh)\ **Replies:** 1\ **Last updated:** [August 1, 2026, 4:29pm UTC](https://community.openems.io/t/update-getting-started-docker-info-to-prevent-influxdb-upgrade/10880 "2026-08-01T16:29:42Z")
@da-Kai Just by chance I came across Currently the getting started guide suggest to add openems\_influxdb: image: influxdb:alpine to the docker-compose.yml. I’m thus wondering if the getting started should be chan… --- ## [What Controller to use to switch a digital output channel at a given date/time (optional: depending on feed to grid)?](https://community.openems.io/t/what-controller-to-use-to-switch-a-digital-output-channel-at-a-given-date-time-optional-depending-on-feed-to-grid/10893)
**Author:** [@sjjh](https://community.openems.io/u/sjjh)\ **Replies:** 4\ **Last updated:** [July 23, 2026, 2:18pm UTC](https://community.openems.io/t/what-controller-to-use-to-switch-a-digital-output-channel-at-a-given-date-time-optional-depending-on-feed-to-grid/10893 "2026-07-23T14:18:09Z")
A device (a heating element) should be powered up for a given time frame\[1\] once a week. Which controller would be best suited for this usecase? I had a look at the Controller IO Heating Element but it seems a bit over-c… --- ## [SV Direct Datasource does not read simple numeric CSV file (datasource0 stays UNDEFINED)](https://community.openems.io/t/sv-direct-datasource-does-not-read-simple-numeric-csv-file-datasource0-stays-undefined/10891)
**Author:** [@osamatobail](https://community.openems.io/u/osamatobail)\ **Replies:** 0\ **Last updated:** [July 7, 2026, 3:57pm UTC](https://community.openems.io/t/sv-direct-datasource-does-not-read-simple-numeric-csv-file-datasource0-stays-undefined/10891 "2026-07-07T15:57:28Z")
Description: I have a question regarding DataSource CVS Direct, which is similar to existing question which also did not get a satisfying answer yet. I am using the Simulator DataSource: CSV Direct in OpenEMS. The dat… --- ## [ess0/SetActivePowerGreaterOrEquals scheint keinen effekt zu haben](https://community.openems.io/t/ess0-setactivepowergreaterorequals-scheint-keinen-effekt-zu-haben/10764)
**Author:** [@HolgerHees](https://community.openems.io/u/HolgerHees)\ **Replies:** 16\ **Last updated:** [June 28, 2026, 5:54pm UTC](https://community.openems.io/t/ess0-setactivepowergreaterorequals-scheint-keinen-effekt-zu-haben/10764 "2026-06-28T17:54:41Z")
Hallo, Vorweg. Bei mir läuft ein Home 10 mit 19KW peak und 50kwh akku. ich habe ziemlich viel in diesem Forum zu besagtem Thema gelesen, trotzdem funktioniert es nicht. Ich möchte die maximal zulässige Beladung der Ba… --- ## [Fenecon Speicher steuern über shelly Zähler](https://community.openems.io/t/fenecon-speicher-steuern-uber-shelly-zahler/10862)
**Author:** [@Tosh](https://community.openems.io/u/Tosh)\ **Replies:** 0\ **Last updated:** [May 24, 2026, 6:17am UTC](https://community.openems.io/t/fenecon-speicher-steuern-uber-shelly-zahler/10862 "2026-05-24T06:17:34Z")
Hallo guten Tag zusammen, Ich habe einen Fenecon Commercial und der KDK Zähler misst den Lieferungs-bezugszähler, auf dem aber eine weitere Volleinspeiseranlage einspeist (die bilanziell rausgerechnet wird), somit habe … --- ## [OpenEMS Edge — FC4 Input Register Read Returns Zero for Custom ESS Bundle](https://community.openems.io/t/openems-edge-fc4-input-register-read-returns-zero-for-custom-ess-bundle/10824)
**Author:** [@ALa8idi](https://community.openems.io/u/ALa8idi)\ **Replies:** 3\ **Last updated:** [April 27, 2026, 9:30am UTC](https://community.openems.io/t/openems-edge-fc4-input-register-read-returns-zero-for-custom-ess-bundle/10824 "2026-04-27T09:30:00Z")
Environment OpenEMS Edge version: 2026.3.0 Deployment: Docker container on ARM (Raspberry Pi) Bundle type: Custom ESS bundle (ManagedSymmetricEss) Modbus bridge: Bridge.Modbus.Tcp Summary We have developed… --- ## [Neuer Optimizer/Logik für mehrere Hybrid ESSes](https://community.openems.io/t/neuer-optimizer-logik-fur-mehrere-hybrid-esses/10138)
**Author:** [@Sn0w3y](https://community.openems.io/u/Sn0w3y)\ **Replies:** 53\ **Last updated:** [April 26, 2026, 11:20am UTC](https://community.openems.io/t/neuer-optimizer-logik-fur-mehrere-hybrid-esses/10138 "2026-04-26T11:20:37Z")
Hallo zusammen, hallo @stefan.feilmeier , wie würde ich vorgehen müssen, wenn ich einen neuen Optimizer für 3 ESS ezu erstellen? Aktuell erhalte ich da echt total komische Verhalten, manchmal entlädt er, manchmal beläd… --- ## [10 Years of OpenEMS](https://community.openems.io/t/10-years-of-openems/10828)
**Author:** [@stefan.feilmeier](https://community.openems.io/u/stefan.feilmeier)\ **Replies:** 0\ **Last updated:** [April 24, 2026, 5:56pm UTC](https://community.openems.io/t/10-years-of-openems/10828 "2026-04-24T17:56:15Z")
--- ## [Discussion: Split the openems/openems Repository by Technology](https://community.openems.io/t/discussion-split-the-openems-openems-repository-by-technology/10365)
**Author:** [@da-Kai](https://community.openems.io/u/da-Kai)\ **Replies:** 5\ **Last updated:** [April 24, 2026, 11:54am UTC](https://community.openems.io/t/discussion-split-the-openems-openems-repository-by-technology/10365 "2026-04-24T11:54:52Z")
Hi everyone, I’d like to open a discussion around the current structure of the openems/openems repository. As the project grows in complexity and adoption, we may benefit from splitting the repository by technology to … --- ## [Modbus TCP Communication Issues Between OpenEMS on UniPi and Windows Simulator](https://community.openems.io/t/modbus-tcp-communication-issues-between-openems-on-unipi-and-windows-simulator/10803)
**Author:** [@ALa8idi](https://community.openems.io/u/ALa8idi)\ **Replies:** 2\ **Last updated:** [April 24, 2026, 8:44am UTC](https://community.openems.io/t/modbus-tcp-communication-issues-between-openems-on-unipi-and-windows-simulator/10803 "2026-04-24T08:44:03Z")
We’ve deployed OpenEMS Edge and UI on a UniPi device (Base OS, Debian Trixie-based) and are running a Modbus TCP simulator on Windows 11 that emulates real energy assets across multiple ports. The setup works correctly … --- ## [Documentation: Getting Started and Backend Docs](https://community.openems.io/t/documentation-getting-started-and-backend-docs/10713)
**Author:** [@janklostermann](https://community.openems.io/u/janklostermann)\ **Replies:** 4\ **Last updated:** [March 17, 2026, 4:28pm UTC](https://community.openems.io/t/documentation-getting-started-and-backend-docs/10713 "2026-03-17T16:28:04Z")
Going through the Getting Started Guide I perceived that a big part of it is upon the OpenEMS Backend. The part of the documentation that describes the Backend does not even contain an overview upon the intended use of … --- ## [keine aktuellen Messwerte](https://community.openems.io/t/keine-aktuellen-messwerte/10737)
**Author:** [@cgn-nv](https://community.openems.io/u/cgn-nv)\ **Replies:** 4\ **Last updated:** [February 25, 2026, 8:52pm UTC](https://community.openems.io/t/keine-aktuellen-messwerte/10737 "2026-02-25T20:52:38Z")
Ich betreibe OpenEMS Edge & UI über einen Raspberry PI (mit Docker). Nachdem ich für erste Tests eine Modbus-TCP Bridge hinzugefügt und eine UMD97-Instanz darauf gemapped habe, erhalte ich leider keine aktuellen Messwer… --- ## [Papers & Press List about OpenEMS](https://community.openems.io/t/papers-press-list-about-openems/10747)
**Author:** [@sjjh](https://community.openems.io/u/sjjh)\ **Replies:** 1\ **Last updated:** [February 19, 2026, 9:04pm UTC](https://community.openems.io/t/papers-press-list-about-openems/10747 "2026-02-19T21:04:47Z")
I’d like to collect a list of (third party) (scientific) papers, (blog) posts and press articles / reviews /comments about OpenEMS. If you are aware of any (preferably English or German) sources, feel free to collect the… --- ## [The Energy Intelligence Gap — Why People Still Don’t Control Their Own Energy](https://community.openems.io/t/the-energy-intelligence-gap-why-people-still-don-t-control-their-own-energy/10745)
**Author:** [@agustinhoxc](https://community.openems.io/u/agustinhoxc)\ **Replies:** 0\ **Last updated:** [February 17, 2026, 10:46pm UTC](https://community.openems.io/t/the-energy-intelligence-gap-why-people-still-don-t-control-their-own-energy/10745 "2026-02-17T22:46:54Z")
Despite the growth of smart meters, IoT devices, solar systems, and utility dashboards, most people still do not truly understand or control their energy consumption. They struggle to interpret their bills, fail to trans… --- ## [GoodWe GW10K-ET – Registers for daily grid import/export](https://community.openems.io/t/goodwe-gw10k-et-registers-for-daily-grid-import-export/10734)
**Author:** [@OliverGuliver](https://community.openems.io/u/OliverGuliver)\ **Replies:** 1\ **Last updated:** [February 6, 2026, 1:24pm UTC](https://community.openems.io/t/goodwe-gw10k-et-registers-for-daily-grid-import-export/10734 "2026-02-06T13:24:54Z")
Hi, which registers show how much energy has been bought from and sold to the grid today on a GoodWe GW10K-ET inverter? For registers 35199 (E-Day-Sell) and 35202 (E-Day-Buy) it seems to me that they only reflect energ… --- ## [Einladung zum OpenEMS-Hackathon Q1/2026 – Karlsruher Institut für Technologie](https://community.openems.io/t/einladung-zum-openems-hackathon-q1-2026-karlsruher-institut-fur-technologie/10727)
**Author:** [@Laksh](https://community.openems.io/u/Laksh)\ **Replies:** 0\ **Last updated:** [February 5, 2026, 8:15pm UTC](https://community.openems.io/t/einladung-zum-openems-hackathon-q1-2026-karlsruher-institut-fur-technologie/10727 "2026-02-05T20:15:45Z")
Liebe OpenEMS-Community, der OpenEMS Hackathon Q1/2026 am 17./18.3. in Energy Lab bei Karlsruhe Institute für Technologie steht bevor. Anmeldeschluss: 5.3. Wir vom Elektrotechnischen Institut (ETI) am KIT würden uns f… --- ## [ eliminate gaps in the data history using AggregatedInfluxDB](https://community.openems.io/t/eliminate-gaps-in-the-data-history-using-aggregatedinfluxdb/10707)
**Author:** [@HamzaElyaakoubi](https://community.openems.io/u/HamzaElyaakoubi)\ **Replies:** 4\ **Last updated:** [January 18, 2026, 1:36pm UTC](https://community.openems.io/t/eliminate-gaps-in-the-data-history-using-aggregatedinfluxdb/10707 "2026-01-18T13:36:15Z")
Hello OpenEMS community, I’m currently working to eliminate gaps in the data history of the Edge on the Backend. I already had InfluxDB2 connected to the Backend when the Edge ran into a network problem. As a result, ga… --- ## [SetActivePowerLessOrEquals verhalten](https://community.openems.io/t/setactivepowerlessorequals-verhalten/10697)
**Author:** [@DeeKay](https://community.openems.io/u/DeeKay)\ **Replies:** 12\ **Last updated:** [January 18, 2026, 1:04pm UTC](https://community.openems.io/t/setactivepowerlessorequals-verhalten/10697 "2026-01-18T13:04:04Z")
Hallo. Folgendes Verhalten: SetActivePowerLessOrEquals wird per REST alle 30 Sekunden auf 0 gesetzt API-Timeout ist auf 60 Sekunden gesetzt ctrlApiRest0 ist relativ weit oben im Scheduler - Nur ctrlLimitActivePower0, … --- ## [Inquiry on Minimum Hardware Requirements and Controller Options for OpenEMS Edge (Latest Versions)](https://community.openems.io/t/inquiry-on-minimum-hardware-requirements-and-controller-options-for-openems-edge-latest-versions/10690)
**Author:** [@La8idi](https://community.openems.io/u/La8idi)\ **Replies:** 2\ **Last updated:** [January 6, 2026, 8:39am UTC](https://community.openems.io/t/inquiry-on-minimum-hardware-requirements-and-controller-options-for-openems-edge-latest-versions/10690 "2026-01-06T08:39:32Z")
Greetings, I’m working on a new project with plans to implement OpenEMS Edge. To ensure compatibility and performance, I’d like to better understand the minimum hardware requirements for recent versions of OpenEMS Edge,… --- ## [OpenEMS Modbus Communication Fails on RevPi 4 with Standard RS485 Interface](https://community.openems.io/t/openems-modbus-communication-fails-on-revpi-4-with-standard-rs485-interface/7726)
**Author:** [@kmaruani](https://community.openems.io/u/kmaruani)\ **Replies:** 6\ **Last updated:** [January 6, 2026, 7:35am UTC](https://community.openems.io/t/openems-modbus-communication-fails-on-revpi-4-with-standard-rs485-interface/7726 "2026-01-06T07:35:57Z")
Hello OpenEMS community! I’m currently working with a RevPi 4 where OpenEMS is deployed and running. I’ve encountered a communication issue that I hope someone might help clarify — or has already experienced and resolve… --- ## [Verknüpfung ESS / Controller in beide Richtungen](https://community.openems.io/t/verknupfung-ess-controller-in-beide-richtungen/3170)
**Author:** [@klinki](https://community.openems.io/u/klinki)\ **Replies:** 32\ **Last updated:** [December 27, 2025, 11:29pm UTC](https://community.openems.io/t/verknupfung-ess-controller-in-beide-richtungen/3170 "2025-12-27T23:29:38Z")
Hallo Forum, Über meinen neuen (noch zu veröffentlichen) Controller nehme ich Einfluss auf das untere und obere SoC-Limit des ESS. Funktioniert prima bisher. Umgekehrt will ich vom ESS aus auf den steuernden Controller… --- ## [Meter Eastron SDM630 smiliarity](https://community.openems.io/t/meter-eastron-sdm630-smiliarity/10583)
**Author:** [@Sn0w3y](https://community.openems.io/u/Sn0w3y)\ **Replies:** 2\ **Last updated:** [December 24, 2025, 4:39pm UTC](https://community.openems.io/t/meter-eastron-sdm630-smiliarity/10583 "2025-12-24T16:39:56Z")
Hi Community, we’ve noticed that the SDM72D-M-2 is technically identical to the SDM630 — both in terms of communication protocol and register mapping. How should we handle this case? @stefan.feilmeier — would it make… --- ## [Edge-2-Edge ESS - ungültige Channel-Werte](https://community.openems.io/t/edge-2-edge-ess-ungultige-channel-werte/10654)
**Author:** [@tcdrop](https://community.openems.io/u/tcdrop)\ **Replies:** 7\ **Last updated:** [December 16, 2025, 1:11pm UTC](https://community.openems.io/t/edge-2-edge-ess-ungultige-channel-werte/10654 "2025-12-16T13:11:32Z")
Hallo zusammen, ich spiele gerade mit einem in Docker simulierten Master/Slave-System herum und dabei ist mir folgendes Problem aufgefallen, zu dem ich eine Fragen hätte. Sobald auf dem Slave die ESS deaktiviert wird, … [Next page](https://community.openems.io/c/uncategorized/1.md?page=1)