what is a remote telemetry unit
they have the same meaning,no difference between them. RTUâ stands for âRemote Terminal Units.â They are also referred to as âRemote Telemetry Units.â An RTU is an electronic device which is controlled by a microprocessor. The main function of an RTU is to interface the SCADA to the objects present physically. âSCADAâ stands for âsupervisory control and data acquisition.â