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sequential function chart
please note:
- the content below is remote from Wikipedia
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Sequential function chart (SFC) is a visual programming language used for programmable logic controllers (PLCs). It is one of the five languages defined by IEC 61131-3 standard. The SFC standard is defined as Preparation of function charts for control systems, and was based on {{interlanguage link|GRAFCET|fr}} (itself based on binary Petri netsCONFERENCE, J. L., Fernandez, Sanz, R., Paz, E., Alonso, C., Using hierarchical binary Petri nets to build robust mobile robot applications: RoboGraph, IEEE International Conference on Robotics and Automation, 2008., 1372â1377, 19â23 May 2008, Pasadena, CA, USA, 10.1109/ROBOT.2008.4543394, BOOK, R. W., Lewis, Programming industrial control systems using IEC 1131-3, 978-0852969502, 1998, ).It can be used to program processes that can be split into steps.(File:Basic Batch SFC.jpg|thumb|676x676px|Basic Batch SFC, with important elements labeled)Main components of SFC are: - the content below is remote from Wikipedia
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- Steps with associated actions;
- Transitions with associated logic conditions;
- Directed links between steps and transitions.
- It is an initial step as specified by the programmer.
- It was activated during a scan cycle and not deactivated since.
See also
- DRAKON-chart
- UML activity diagram
- Continuous Function Chart
References
{{Reflist}}External links
{{Commons category|Sequential function charts}}- SFC/GRAFCET free stencils for Microsoft Visio
- Rockwell Automation, Allen-Bradley. Sequential Function Charts
- CODESYS
- content above as imported from Wikipedia
- "sequential function chart" does not exist on GetWiki (yet)
- time: 6:58pm EDT - Wed, Apr 24 2024
- "sequential function chart" does not exist on GetWiki (yet)
- time: 6:58pm EDT - Wed, Apr 24 2024
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