Remote Terminal Unit
A remote terminal unit (RTU) is a microprocessor-controlled electronic device that interfaces objects in the physical world to a distributed control system or SCADA (supervisory control and data acquisition system) by transmitting telemetry data to the system, and by using messages from the supervisory system to control connected objects. Another term that may be used for RTU is remote telemetry unit, the common usage term varies with the application area generally.
Read more about Remote Terminal Unit: Architecture and Communications, Software and Logic Control, Comparison With Other Control Systems, Applications
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