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What is Programmable Logic Controller (PLC)

Cyber Security of Industrial Control Systems in the Future Internet Environment
A general notion that refers to an industrial computer adapted for controlling the manufacturing, batching, processing, etc., automation in industries.
Published in Chapter:
Building Industrial Scale Cyber Security Experimentation Testbeds for Critical Infrastructures
Rohit Negi (C3i Center, Indian Institute of Technology, Kanpur, India), Anand Handa (C3i Center, Indian Institute of Technology, Kanpur, India), and Sandeep Kumar Shukla (C3i Center, Indian Institute of Technology, Kanpur, India)
DOI: 10.4018/978-1-7998-2910-2.ch010
Power Grid, Water/Sewage control system, and Industrial automation are some examples of critical infrastructures. They are critical because malfunctioning of any of these may lead to severe industrial accidents. It may also have severe implications for the national economy and security. Nation-states are gearing up for potential cyber warfare, signs of which are already visible in various incidents such as Stuxnet, BlackEnergy, and many other recent attacks. As a result, research in cyber defense for such critical systems is an urgent need for all countries. IIT Kanpur has established the National Interdisciplinary Center for Cyber Security and Cyber Defense of Critical Infrastructures (C3i Center) to engage in research in this crucial area. In the past, the authors carried out a lot of cybersecurity experiments on co-Simulator-based platforms. These experiments show that they do not allow us to penetrate at the granularity required to defend real systems and therefore, physical test-beds are to be constructed. In this chapter, the authors describe how to build various test-beds.
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The Impacts of Semantic Technologies on Industrial Systems
Special computer with extensive input/output arrangements dedicated to industrial control purposes, such as assembly line machinery control
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Programmable Logic Controllers
A special-purpose computer designed for the control of automated machinery.
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Integration of MES and ERP
A small industrial computer used in factories originally designed to replace relay logic of a process control system and has evolved into a controller having the functionality of a process controller (Falco et al., 2004)
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Simulation and Modeling: Design of a Fuzzy Logic Based Hydraulic Turbine Governing System
Is an industrial computer control system that continuously monitors the state of input devices and makes decisions based upon a custom program to control the state of output devices.
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