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AVEVA Pipeline Operations for Liquids

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Understand the Countdown Start command

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  • Last UpdatedApr 24, 2025
  • 1 minute read

The application does not allow the Start command if the Current target is not in Stopped mode.

A Start command initiates the following activity:

  • The Current target moves to Active mode for Manual and Manual Start/Automatic Stop countdowns, and to Wait mode for Full Automatic countdowns.

  • The application sets the Start time to current time for Manual and Manual Start/Automatic Stop countdowns. However, it does not set the Start time to the current time on Full Automatic countdowns until the target moves to Active mode.

  • The application blanks out Switch time.

  • The application initializes the countdown value to zero.

  • The application initializes the countup value to zero.