Data Source - Wonderware InTouch


InTouch is a SCADA and HMI solution from Wonderware. It has the capability to store historical data natively in a flat file structure called .lgx files.

To create a connection to the Wonderware InTouch SCADA Historian log files (.lgx): Right-click on the Data Sources group, then click “Wonderware”, and then select “InTouch”.


To successfully retrieve data from a Wonderware InTouch SCADA, the following properties need to be set.


  • Name (String)
Name to identify the data source.
  • Project Path (File location)
Location of the Wonderware InTouch SCADA project.
  • Data Path (File location)
Location set in the Wonderware SCADA project as to where to create and store the .lgx files.
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