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Upload history from Excel or CSV

Load past readings exported from a historian, HMI or data logger, so trends, replays and investigations have history from day one.

Training video
Uploading 48 hours of boiler history and opening the trend.

Prepare the file

The first row is the header. One column holds the time; every numeric column becomes a signal. Units in brackets are read too: “Steam pressure (psig)” becomes the signal steam_pressure in psig.

Times without a time zone are read in the site’s time zone, so set that first (Site settings).

Up to 20 MB and 500,000 rows per file. CSV, TSV and Excel (.xlsx) work.

Upload it

  1. Open the site and click Data sources.
  2. Choose Excel or CSV file.
  3. Pick the machine, choose the file and click Upload and import.
The Data sources page listing machines and the ways to connect data
The Excel or CSV upload form with the boiler selected

Check what was loaded

InduQT reports the rows, the time range and the signals it found. View the data opens the machine with its latest values and trend.

Import result: 2,881 rows and 7 signals
Seven-day trend with two upsets visible in the imported history

Tip: Upload the same file again and InduQT keeps one reading per signal and time, so re-imports do not double the data.