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What is SCADA ? How does SCADA Works ?

S Bharadwaj Reddy
SCADA stands for Supervisory Control and Data Acquisition but it is a term often used for data collection and presentation. What is SCADA ? SCADA is normally a software package

Difference between DCS & PLC Systems

S Bharadwaj Reddy
Difference between DCS & PLC Systems DCS stands for “Distributed Control System” DCS’s were designed to control processes, not discrete operations. As such, a large number of the inputs and

Interview Questions on PID Controllers

S Bharadwaj Reddy
1.What is a ‘controller’? Where are its application areas? A controller is an instrument used for controlling a process variable (measurement). Its continuously monitors the error signal and gives a

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