PLC programming using TwinCAT 3 tutorial – part 6a

Dear existing & future PLC software developers, I have published part 6a of my free PLC programming using TwinCAT 3 tutorial.

In this part we will start to look into the object oriented programming parts of structured text and IEC 61131-3 called function blocks, and I think it’s here things are really starting to get fun! For those that are Java, C, C++ or just “traditional” programmers, going into the realm of function blocks is like going from C-style structures and functions, and into classes in C++. With function blocks we can go from working in a procedural style programming into objected oriented style programming.

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