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AVEVA Pipeline Operations for Liquids

Understand data flow for Action Sequences

  • Last UpdatedApr 24, 2025
  • 1 minute read

The Action Sequence table provides control for a chained operation. A secondary table, sequenceStep, contains a record for each step of the sequence. These records can either be a set record (change the value of a point), a function record (perform a specific function on a table), a wait record (pause for a specified number of seconds), or a decision record (evaluate an input path with a comparison value using a logical operator).

Understanding Data Flow for the Action Sequence Application

The set records allow you to define various settings for the records associated with interconnected RealTime database (RTDB) tables:

  • valve

  • pump

  • status

  • multistate

  • analog

For analog points, a setpoint value is specified.

When a sequence is started, controls are sent to different objects (for example, valve). A timeout may be defined for each step such that the value of the object must be changed within that period of time.

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