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2. Ladder logic - Wikipedia

   en.wikipedia.org/wiki/Ladder_logic

   Part of a ladder diagram, including contacts and coils, compares, timers and monostable multivibrators. Ladder logic is widely used to program PLCs, where sequential control of a process or manufacturing operation is required. Ladder logic is useful for simple but critical control systems or for reworking old hardwired relay circuits. As ...

3. List of free electronics circuit simulators - Wikipedia

   en.wikipedia.org/wiki/List_of_free_electronics...

   List of free analog and digital electronic circuit simulators, available for Windows, macOS, Linux, and comparing against UC Berkeley SPICE. The following table is split into two groups based on whether it has a graphical visual interface or not.

4. Programmable logic controller - Wikipedia

   en.wikipedia.org/wiki/Programmable_logic_controller

   As programming terminals evolved, because ladder logic was a familiar format used for electro-mechanical control panels, it became more commonly used. Newer formats, such as state logic, [18] function block diagrams, and structured text exist. Ladder logic remains popular because PLCs solve the logic in a predictable and repeating sequence, and ...

5. Visual programming language - Wikipedia

   en.wikipedia.org/wiki/Visual_programming_language

   A simple custom block in the Snap! visual programming language, which is based on Scratch, calculating the sum of all numbers with values between a and b. In computing, a visual programming language (visual programming system, VPL, or, VPS), also known as diagrammatic programming, [1] [2] graphical programming or block coding, is a programming language that lets users create programs by ...

6. IEC 61131-3 - Wikipedia

   en.wikipedia.org/wiki/IEC_61131-3

   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. [2] Part 3 of IEC 61131 deals with basic software architecture and programming languages of the control program ...

7. TLA+ - Wikipedia

   en.wikipedia.org/wiki/TLA+

   Amir Pnueli applied temporal logic to computer science, for which he received the 1996 Turing Award. Modern temporal logic was developed by Arthur Prior in 1957, then called tense logic. Although Amir Pnueli was the first to seriously study the applications of temporal logic to computer science, Prior speculated on its use a decade earlier in 1967: