Functional Requirements Documentation for Control Software Applications

Covers real-time batch, discrete and continuous process automation systems. Defines regulatory, event-driven and time-driven control system actions. Encompasses both digital and analog control devices in addition to non-control actions (for example, operator messages and batch end reports).

  • Encompasses both normal and abnormal operational requirements of systems and shows the interactions between them.
  • Uses a set of terms that relate directly to the languages commonly used by plant operators.
  • Excludes interactions with higher-level systems.
  • Establish functional requirements specifications for control software documentation that covers the classes of industrial automation equipment and systems
  • Provide techniques for documenting control system software. The software to be generated is a function of the computer system chosen for a particular project.
  • Provide a basis for validation of run-time application software after it is developed and tested to ensure that the initial requirement specification has been met.
  • Can be used for control software definition, design, testing and validation.

Source: http://www.isa.org

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