evcc-io/templates/definition/meter/openems.yaml

template: openems
products:
  - brand: OpenEMS
    description:
      generic: REST-API
  - brand: FENECON
    description:
      generic: REST-API
capabilities: ["battery-control"]
requirements:
  description:
    de: |
      ##### Lizenzhinweis:
      Für FENECON FEMS Systeme ist für die aktive Batteriesteuerung eine kommerzielle Lizenz *FEMS App REST/JSON Schreibzugriff* erforderlich.

      ##### FEMS-Dokumentation:
      - FEMS App REST/JSON Lesezugriff: [docs.fenecon.de](https://docs.fenecon.de/de/fems/fems-app/App_REST-JSON_Lesezugriff.html)
      - FEMS App REST/JSON Schreibzugriff: [docs.fenecon.de](https://docs.fenecon.de/de/fems/fems-app/App_REST-JSON_Schreibzugriff.html)
      ##### OpenEMS-Dokumentation:
      - OpenEMS Edge REST-Api Controller: [openems.github.io](https://openems.github.io/openems.io/openems/latest/edge/controller.html#_rest_api_controller)
    en: |
      ##### License notice:
      For active battery control on FENECON FEMS systems, a commercial license (*FEMS App REST/JSON Write Access*) is required.

      ##### FEMS documentation:
      - FEMS App REST/JSON Read Access: [docs.fenecon.de](https://docs.fenecon.de/en/fems/fems-app/App_REST-JSON_Lesezugriff.html)
      - FEMS App REST/JSON Write Access: [docs.fenecon.de](https://docs.fenecon.de/en/fems/fems-app/App_REST-JSON_Schreibzugriff.html)
      ##### OpenEMS documentation:
      - OpenEMS Edge REST-Api Controller: [openems.github.io](https://openems.github.io/openems.io/openems/latest/edge/controller.html#_rest_api_controller)
params:
  - name: usage
    choice: ["grid", "pv", "battery"]
  - name: host
  - name: password
    default: user
    advanced: true
  - name: maxacpower
  - name: battery
    example: ess0
    description:
      de: Steuerbare Batterie Komponente
      en: Controllable battery component
    help:
      de: aktive Batteriesteuerung (REST/JSON schreibend)
      en: active battery control (REST/JSON Write Access)
    usages: ["battery"]
    advanced: true
  - name: watchdog
    type: duration
    default: 60s
    description:
      de: FEMS/OpenEMS Batteriesteuerung API-Timeout
      en: FEMS/OpenEMS battery control API timeout
    help:
      de: FEMS/OpenEMS Standard 60s
      en: FEMS/OpenEMS standard 60s
    usages: ["battery"]
    advanced: true
  - preset: battery-params
render: |
  type: custom
  {{- if eq .usage "grid" }} 
  power:
    source: http
    uri: http://{{ .host }}/rest/channel/_sum/GridActivePower
    auth:
      type: basic
      user: x
      password: {{ .password }}
    jq: (.value // 0)
  energy:
    source: http
    uri: http://{{ .host }}/rest/channel/_sum/GridBuyActiveEnergy
    auth:
      type: basic
      user: x
      password: {{ .password }}
    jq: (.value / 1000 // 0) # convert Wh to kWh
  {{- end }}
  {{- if eq .usage "pv" }}
  power:
    source: http
    uri: http://{{ .host }}/rest/channel/_sum/ProductionActivePower
    auth:
      type: basic
      user: x
      password: {{ .password }}
    jq: (.value // 0)
  energy:
    source: http
    uri: http://{{ .host }}/rest/channel/_sum/ProductionActiveEnergy
    auth:
      type: basic
      user: x
      password: {{ .password }}
    jq: (.value / 1000 // 0) # convert Wh to kWh
  maxacpower: {{ .maxacpower }} # W
  {{- end }}
  {{- if eq .usage "battery" }}
  power:
    source: http
    uri: http://{{ .host }}/rest/channel/_sum/EssDischargePower
    auth:
      type: basic
      user: x
      password: {{ .password }}
    jq: (.value // 0)
  soc:
    source: http
    uri: http://{{ .host }}/rest/channel/_sum/EssSoc
    auth:
      type: basic
      user: x
      password: {{ .password }}
    jq: (.value // 0)
  {{- if .battery }}
  batterymode:
    source: watchdog
    timeout: {{ .watchdog }} # re-write at timeout/2
    reset: 1
    set:
      source: switch
      switch:
      - case: 1 # normal
        set:
          source: http
          uri: http://{{ .host }}/rest/channel/{{ .battery }}/SetActivePowerLessOrEquals
          auth:
            type: basic
            user: x
            password: {{ .password }}
          method: POST
          headers:
          - content-type: application/json
          body: '{"value": 0}'
      - case: 2 # hold
        set:
          source: http
          uri: http://{{ .host }}/rest/channel/{{ .battery }}/SetActivePowerLessOrEquals
          auth:
            type: basic
            user: x
            password: {{ .password }}
          method: POST
          headers:
          - content-type: application/json
          body: '{"value": 0}'
      - case: 3 # charge
        set:
          {{- if .maxchargepower }}
          source: http
          uri: http://{{ .host }}/rest/channel/{{ .battery }}/SetActivePowerLessOrEquals
          auth:
            type: basic
            user: x
            password: {{ .password }}
          method: POST
          headers:
          - content-type: application/json
          body: '{"value": {{ mul .maxchargepower -1 }}}' # charge power is negative
          {{- else }}
          source: error
          error: ErrNotAvailable
          {{- end }}
  {{- end }}
  {{- include "battery-params" . }}
  {{- end }}