Fundamentals of PLCs
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| Fundamentals of PLCs |
The Fundamentals of Programmable Logic Controllers (PLCs) provide an understanding of these essential devices used in industrial automation.
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PLCs are robust, programmable devices designed to monitor inputs, execute control logic, and manage outputs for various industrial processes. Key components include the CPU, I/O modules, power supply, and communication interfaces, enabling real-time control in harsh environments.
PLCs originated in the 1960s as a replacement for hardwired relay systems and have since evolved into versatile systems integrated with IoT, cloud computing, and advanced networking protocols. Their flexibility, scalability, and reliability make them indispensable in manufacturing, process control, building automation, and infrastructure projects.
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The fundamentals also cover the comparison of PLCs with microcontrollers and SCADA systems, their programming languages (like Ladder Logic and FBD), and their role in improving efficiency, safety, and scalability in industrial applications. PLCs remain the backbone of automation, evolving to meet the demands of Industry 4.0.
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Fundamentals of PLCs
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