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In every SCADA system, the Remote Terminal Unit (RTU) is the vital bridge between the physical world and the control room.
👉 What the RTU does:
• Collects data from field sensors (temperature, pressure, current, voltage, flow).
• Executes commands to actuators (motors, pumps, valves, circuit breakers).
• Processes & transmits signals through communication networks (Ethernet, Serial, GSM/4G/5G, Satellite).
• Ensures reliability with backup power (battery/solar) and rugged design for remote or harsh environments.
👉 Why it matters:
Without RTUs, operators in a control center would be “blind” to what’s happening in the field. RTUs provide real-time visibility, control, and protection, ensuring that industries like power, oil & gas, water, and renewables run smoothly and safely.
Takeaway: RTUs are more than data collectors — they’re the digital eyes and hands of SCADA, enabling smarter, safer, and more reliable operations.
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