Energy eDisplay V 1.0

Energy Display Scripts Outline version 1.0
  1. Java scripts harvest data directly from Modbus
  2. Perl scripts collects this data and put it in the Postgress database “energy” under the table “electrical_energy”
    • electrical_energy attributes:
      • area – what building.
      • preal – kW hours for that instant.
      • date – date of harvest.
  3. A final perl script (display/production|development/js-file-gen.pl) accesses this data and generates a .png graph using the Google graph API
    • This script takes one parameter for either the production or development branches.
  4. The images generated (day, week, month, year) are put in a html frame on a page to display the data.
    • This page refreshes every 5 minutes