Answer / mansour hammam

PLC is Programmable Logic Controller
RTU is Remote Terminal Unit

Answer / prashoo

Plc stands for programmable logical unit, is an embaded system where most of the controlling devices are lies. it has extremely fast switching, controlling and processing capabilities. So where this type of applications are require we use plc. it can run easily through a program to synchronize the input and output processes.

Answer / vibhum bakshi

Plc- plc is a microprocessor/microcontroller based centralized controller which is devloped to perform sequential as well as discrete sequntial logic in industry environment for incresing productivity, redusing cost and incresing safty. 
Rtu- rtu is stand for Remote telementry/terminal unit. It is microprocessor controlled electronic device that interface object in the physical world to a DCS or SCADA system by transmitting telementry data to a master system.

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