Luis Paulo Laus submitted the
tikz-sfc
package.
Version: 1.0 2018-01-16 License: lppl1
Summary description: Symbols collection for typesetting Sequential Function Chart (SFC) diagrams (PLC programs)
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New SFC diagram collections of symbols for PLC programming SFC language in agreement with the international standard IEC-61131-3/2013.
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The package’s Catalogue entry _should_ appear on https://ctan.org/pkg/tikz-sfc ... once a crucial bug in the website's import functionality has been fixed ... Sorry for the inconvenience!
The package’s files themselves can be inspected at http://mirror.ctan.org/graphics/pgf/contrib/tikz-sfc/
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Thanks for the upload.
For the CTAN Team Petra Rübe-Pugliese
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