From the course: Operational Technology (OT) Cybersecurity Essentials: Defending Critical Infrastructure
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PLCs and RTUs: Key devices in OT environments
From the course: Operational Technology (OT) Cybersecurity Essentials: Defending Critical Infrastructure
PLCs and RTUs: Key devices in OT environments
- [Instructor] We're back to covering programmable logic controllers, PLCs, and remote terminal units, RTUs. PLCs and RTUs are devices that are the backbone of automation in OT systems. Building on our field devices knowledge here, they bridge the gap between field devices and the broader OT network, ensuring industrial processes run smoothly and efficiently. By the end of this lesson, you'll understand the roles and functions of PLCs and RTS and their significance in real-world industrial processes. So what are PLCs and RTUs? PLCs are specialized computers used to monitor and control machines and processes. They collect data from sensors, process it based upon predefined logic and send commands to actuators. Think of a very stripped down and process focused computer, for example, in a bottling plant, a PLC monitors the speed of a conveyor belt using data from sensors. And if a sensor detects a bottle jam, the PLC can automatically stop the belt to prevent damage or spillage. As for…
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