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Why does Control Expert stall at 75% for several minutes?
Issue
Control Expert stalls at 75% for several minutes after clicking Build Changes or Rebuild All Project.

Product line
EcoStruxure Control Expert (ECE)

Environment
Windows 10, Windows Server 2019

Resolution
This delay is due to 'Rack Viewer variable names'. When this option is selected the Rack Viewer Control Expert checks for each I/O object configured inside the application and if it is linked to a variable name.

In order to decrease the building time, we recommend unselecting this option in Control Expert.
  • Click Tools -> Project Settings...
Navigate to project settings
  • Click PLC diagnostics -> unselect Rack Viewer variable names
unselect Rack viewer variable names
  • Click Build -> Rebuild All Project
rebuild all project

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