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HelpDesk  >  ConceptDraw PRO  >    Business-specific Drawings

How to Create a Fault Tree Analysis Diagram (FTD) in ConceptDraw PRO

The failure of an item in a system is often caused by the failure of other items. Fault Tree Analysis, or FTA, provides a method of breaking down such chains of failures, with a key addition for identifying combinations of faults that cause other faults. Fault Tree Analysis Diagrams (or negative analytic trees) are logic block diagrams that display the state of a system (top event) in terms of the states of its components (basic events). ConceptDraw PRO allows you to create professional FTA Diagrams using the Fault Tree Analysis Diagrams solution.

  1. Open a ConceptDraw PRO new document and select the Fault Tree Analysis Diagrams library.
  2. Add the proper FTD elements to the diagram by dragging them from the library to the document page.
  3. The Fault Tree diagram should be started with the Event symbol for top-level failure event.
    Fault Tree diagram symbol event
  4. Use the OR gate symbol to the output event occurs if at least one of the input events occurs.
    Fault Tree diagram symbol OR
  5. The Basic event symbol is used for event that does not have any contributory events.
    Fault Tree diagram symbol Basic Event
  6. An AND gate symbol means the output event occurs if all input events occur.
    Fault Tree diagram symbol AND
  7. Use the Exclusive OR gate symbol to the output event occurs if exactly one input event occurs.
    Fault Tree diagram symbol XOR
  8. Connect the FTD elements by the arrow connectors using the button chain mode button win.

  9. design-FTA-diagram

Result: Fault Tree Analysis Diagram helps you to analyze the probability of functional system failures and safety accidents.

Fault Tree Analysis diagram

How it works:

  • Set of ready-to-use templates supplied with ConceptDraw PRO
  • Collection of professional samples supports each template
  • Professional drawing tools

Useful Solutions and Products:

Business Process Diagram
  • Easily draw charts and diagrams
  • Visualize business information
  • Capture a different phases of the project, using diagrams

Fault Tree Analysis Diagrams
  • FTD diagrams samples and templates
  • Library of vector stencils

ConceptDraw PRO
  • Diagraming and Charts
  • Business Process diagrams
  • Business Process Modeling Notation (BPMN 2.0)
  • Business Model Presentation
  • Over 10 000 vector stencils
  • Export to vector graphics files
  • Export to Adobe Acrobat® PDF
  • Export to MS PowerPoint®
  • Export to MS Visio® VSDX, VDX

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