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What is PID Controller ?

S Bharadwaj Reddy
PID Controllers are widely used in industries nowadays. Although there are inbuilt PID controller functions in the PLC, this functions are used in many applications. Approximately 95% of the closed-loop...

PID Controller Loop Tuning Questions and Answers – Part 1

S Bharadwaj Reddy
This article provides PID controller loop tuning conditions for different conditions to analyze Process Variable, Set Point and Controller Output trends. PID Controller Loop Tuning Questions and Answers 1. Examine this...

What is Piping and Instrumentation Diagram (P&ID) ?

S Bharadwaj Reddy
Piping and Instrumentation Diagram (P&ID) is a drawing elaborating the details of piping and instrumentation of a processing plant, developed at the design stage. P&ID is later used for assistance...

How Process Control Loop Works

S Bharadwaj Reddy
A typical process control system is shown in Figure. Assume the physical variable to be controlled is the temperature. Basically Industrial process control loop consists of sensors, transmitters, Control systems (PLC/DCS),...

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