Month: May 2019
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PLC software documentation, flowcharts and state diagrams
Random thoughts… Just found this basic yet interesting article on my rss feed: https://www.controldesign.com/articles/2019/how-to-document-a-plc-program/ It highlight the fact that in real life documenting a PLC software is still considered a simplified version of the “real software documentation” process, unfortunately. But during reading the referred article https://www.controldesign.com/articles/2017/how-to-write-a-plc-step-sequence-program we should also remember that 61131-3 standard defines an…
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Qualche appunto sul backup dei dati
Si parlava con un amico di come “fare il backup del portatile” e ho notato come al giorno d’oggi ci sia ancora tanta confusione a riguardo. Ho deciso cosi’ di dedicare il mio primo post in Italiano proprio a quest’argomento. Non c’e’ ovviamente una soluzione universale al problema, ma la seguente e’ una strategia abbastanza…
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What’s wrong with PLC editors, seriously?
If you don’t use Git you’re ugly and stupid. Tech Talk: Linus Torvalds on git, 2007 After so many years most of us PLC software developers are still ugly and stupid people, wasting our time and our employers’ money fiddling around with zip files with weird names, duplicated content and a software delivery process which…