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2. Programmable logic controller - Wikipedia

   en.wikipedia.org/wiki/Programmable_logic_controller

   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.

3. PLC technician - Wikipedia

   en.wikipedia.org/wiki/PLC_Technician

   Other courses include robotics, automation, electrical motor controls, programmable logic controllers, and computer-aided design. [3] When performing their duties, PLC technicians must comply with federal, jurisdictional, industrial, and site-specific standards, codes, and regulations.

4. Sequential function chart - Wikipedia

   en.wikipedia.org/wiki/Sequential_function_chart

   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]).

5. Colin Simpson (Canadian author) - Wikipedia

   en.wikipedia.org/wiki/Colin_Simpson_(Canadian...

   In recent years, Simpson has continued his work in simulation and control systems and in 2006, launched the online PLC Technician program, which was based on his book, Programmable Logic Controllers. The program is now the largest of its kind in the world and provides training to employees in over 100 companies. [16]

6. IEC 61131 - Wikipedia

   en.wikipedia.org/wiki/IEC_61131

   IEC 61131 is an IEC standard for programmable controllers.It was first published in 1993; [1] the current (third) edition dates from 2013. [2] It was known as IEC 1131 before the change in numbering system by IEC.

7. Instruction list - Wikipedia

   en.wikipedia.org/wiki/Instruction_list

   It is designed for programmable logic controllers (PLCs). It is a low level language and resembles assembly. All of the languages share IEC61131 Common Elements. The variables and function call are defined by the common elements so different languages can be used in the same program.