Allows to work with a smartmeters (Electricity only) within Node RED flows. If you do not have a Smart Meter you might get it.

This package gets renamed into casa-corrently - Previous: node-red-contrib-discovergy-meter

cd ~/.node-red/
npm install --save node-red-contrib-discovergy-meter

Install node-red-contrib-discovergy-meter as NODE package.

This QuickStart allows you to start node-red with one the sample meters to get quickly familiar with this Node (module).

• Node-RED installed global (e.q you could start it from command line using node-red)
• Cloned version of GIT Repository https://github.com/energychain/node-red-contrib-discovergy-meter.git

Reference: https://casa.corrently.de/books/demo-z%C3%A4hler/page/messkonzept-1-%28volleinspeisung%29

npm install node-red-dashboard
npm run demo-messkonzept1

Reference: https://casa.corrently.de/books/demo-z%C3%A4hler/page/messkonzept-2-%28%C3%BCberschusseinspeisung%29

npm install node-red-dashboard
npm run demo-messkonzept2

• Editor: http://localhost:1880/
• Dashboard (UI): http://localhost:1880/ui

On first time adding a Discovery Meter to a flow the list of available meters will be empty.

• Add Discovergy login information to configuration node
• Deploy changes to flow
• Re-Open Configuration of Discovergy Meter

You might overwrite time and value of first reading from the node configuration.

If triggered (maybe periodic via an inject) this node provides a json Object as msg.payload.

msg.payload =  {
  time: <TIME>, // time of reading per Discovergy API
  latest: {
    power: <POWERVALUE>, // Power in Watt * 10^-3
    power1: <POWERVALUE>,// Power in Watt * 10^-3 of Phase 1
    power2: <POWERVALUE>,// Power in Watt * 10^-3 of Phase 2
    power3: <POWERVALUE>,// Power in Watt * 10^-3 of Phase 3
    energy: <ENERGYVALUE>,// Actual Meter Reading in Watthours * 10^-7 (consumption . OBIS Code 1.8.0)
    energyOut: <ENERGYVALUE>,// Actual Meter Reading in Watthours * 10^-7 (production . OBIS Code 2.8.0)
    baseCosts: <EUROVALUE>, // Accumulated base fee (Grundgebühr) since first measument time (eq. installation - might be overwritten)
    energyCost: <EUROVALUE>, // Accumulated energy costs (Arbeitspreis) since first measument time (eq. installation - might be overwritten)
    energyRevenue: <EUROVALUE>, // Revenue from feeding Energy into the grid
    incomeSaldo: <EUROVALUE> // Pre Calculated : energyRevenue - (baseCosts + energyCost)
  }
}

If msg.topic is set to statistics additional statistic information will be provided. Beside of power,power1,power2,power3 the object gets formated same as in msg.payload.latest above.

*NOTE: Retrieving statistics requires a significant higher amount of API calls. Consider to use it less than once per minute. *

msg.payload =  {
  time: <TIME>// time of reading per Discovergy API
  latest: { ... }, // latest values
  last24h: { ... }, // From latest reading 24 hours backward
  today: { ... }, // Values from today
  yesterday: { ... }, // Values from yesterday
  monthToDay: { ... }, // Values from this month
  lastMonth: { ... }, // Values from last month
  yearToDay: { ... }, // Values from this year
  last365d: { ... } // Values from last 365 days
}

You might add multiple Discovergy Meters in sequence. In this case a property aggregation will contain aggregated values of all meters.

msg.payload =  {
  time: <TIME>// time of reading per Discovergy API
  latest: { ... }, // latest values  
  aggregation: { ... } // Aggregated values of all meters in sequence
}

Dashboard

It is possible to run this node without Node-RED. It comes shipped with a express APP.

git clone https://github.com/energychain/node-red-contrib-discovergy-meter.git
cd node-red-contrib-discovergy-meter.git
npm install
npm start ./sample_config_messkonzept2.json

Online Demo (via Heroku): https://casa-corrently-demo.herokuapp.com/index.html

By default the Web UI will be visible at http://localhost:3000/index.html

Heroku: https://heroku.com/deploy?template=https://github.com/energychain/node-red-contrib-discovergy-meter

This module is part of the Corrently Ecosystem which looks for funding in Germany: https://www.stromdao.de/crowdfunding/info

Further Documentation is available as Casa Corrently Chapter at: https://casa.corrently.de/books/nutzung-von-node-red/chapter/gr%C3%BCnstromz%C3%A4hler-%28discovergy-meter%29

This module is not an official contribution by Discovergy GmbH.

Apache-2.0