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  2. Outline of automation - Wikipedia

    en.wikipedia.org/wiki/Outline_of_automation

    Programmable logic controller (PLC)A Programmable Logic Controller, PLC or Programmable Controller is a digital computer used for automation of electromechanical processes, such as control of machinery on factory assembly lines, amusement rides, or light fixtures. The abbreviation "PLC" and the term "Programmable Logic Controller" are ...

  3. 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.

  4. Industrial control system - Wikipedia

    en.wikipedia.org/wiki/Industrial_control_system

    This led to the development of both programmable automation controllers (PAC) and industrial PCs (IPC). These are platforms programmed in the five standardized IEC languages: ladder logic, structured text, function block, instruction list and sequential function chart. They can also be programmed in modern high-level languages such as C or C++.

  5. SCADA - Wikipedia

    en.wikipedia.org/wiki/SCADA

    A programmable automation controller (PAC) is a compact controller that combines the features and capabilities of a PC-based control system with that of a typical PLC. PACs are deployed in SCADA systems to provide RTU and PLC functions.

  6. Programmable logic device - Wikipedia

    en.wikipedia.org/wiki/Programmable_logic_device

    A simplified PAL device. The programmable elements (shown as a fuse) connect both the true and complemented inputs to the AND gates. These AND gates, also known as product terms, are ORed together to form a sum-of-products logic array. A programmable logic device (PLD) is an electronic component used to build reconfigurable digital circuits.

  7. Ladder logic - Wikipedia

    en.wikipedia.org/wiki/Ladder_logic

    While ladder diagrams were once the only available notation for recording programmable controller programs, today other forms are standardized in IEC 61131-3 (For example, as an alternative to the graphical ladder logic form, there is also a language more like C called Structured text within the IEC 61131-3 standard).

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