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Additional graphical editor available in CODESYS: CFC (Continuous Function Chart) is a sort of freehand FBD editor. While the FBD editor works in a network-oriented way and arranges the function blocks automatically, in CFC it is possible to place all function blocks freely and thus also to realize feedback without intermediate variables.
IEC 61131-3 is the third part (of 10) of the international standard IEC 61131 for programmable logic controllers.It was first published in December 1993 [1] by the IEC; the current (third) edition was published in February 2013.
A programmable logic controller (PLC) or programmable controller is an industrial computer that has been ruggedized and adapted for the control of manufacturing processes, such as assembly lines, machines, robotic devices, or any activity that requires high reliability, ease of programming, and process fault diagnosis.
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 GRAFCET (itself based on binary Petri nets [1] [2]).
A Continuous Function Chart (CFC) is a graphic editor that can be used in conjunction with the STEP 7 software package [1] or with other tools, such as CODESYS. [2] It is used to create the entire software structure of the CPU from ready-made blocks.
PDFs also make it easy to combine words and images without worrying about format changes depending on the device or program being used to view the file. Like a printed sheet of paper, a PDF looks ...