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Difference between PLC and SCADA ?
What are merits & De-merits of PLCs ?
What are merits & De-merits of SCADAs ?

Answer Posted / bajrang ahirwar .jpl

PLC is Programmable logic control and basically used for
controlling of different systems .
SCADA is Supervisory Control and Data Acquisition system
this system collects data, keeps records, make real time
readings available and provides smooth control.

PLC is assosiated with only one ore two systems but SCADA
contrls a lot of independent PLC's on will of operator.

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