In the previous blog, we discussed the basics of SCADA, including its importance and architectural framework. This blog shifts the focus to key components such as Remote Terminal Units (RTUs), Human-Machine Interfaces (HMIs), and Intelligent devices. Additionally, we’ll examine the roles of data loggers and Intelligent Electronic Devices (IEDs) in SCADA and IoT systems. What Exactly is an RTU? Often referred to as remote telemetry or telecontrol units , these devices excel in