RTUs vs PLCs

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RTUs and PLCs are two types of electronic devices used for supervisory control and data acquisition (SCADA). Even though they are used to perform the same functions, how they go about doing the monitoring and control job varies significantly.
In this video, Andrew talks about the differences between these two devices to help you choose which one is best for your scenario.
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[yunussenol]

plc is for control something, rtu is for watching high amount of data.

[williamjacob]

The RTU such as Kingfisher and TBOX is fully programmable. It does whatever PLC is doing.