→SFC - sequential function chart
according to →IEC-standard: An additional set of ... textual elements named sequential Function Chart (SFC) is defined for structuring the internal organization of programmable controller →programs and →function blocks. ... Subclause 6.7 defines sequential function chart (SFC) elements for use in structuring the internal organization of a →programmable controller organization unit, written in one of the languages defined in this standard, for the purpose of performing sequential control functions. ... The SFC elements provide means of partitioning a programmable controller program organization unit into a set of →steps and →transitions interconnected by directed links. Associated with each step is a set of →actions, and with each transition is associated a transition condition. ... If any part of a program organization unit is partitioned into SFC elements, the entire program organization unit shall be so partitioned.
In Neuron Power Engineer you are able to use the SFC elements within the following editors in order to create step sequences:
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editor |
details under |
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ST-editor |
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FBD-editor |