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Split Range Control Working Principle

S Bharadwaj Reddy
Split-range control is used when a single controller is employed to control two final-control elements (two valves for example). In such a system, the controller struggle to keep one controlled...

Why Offset in Proportional Controller ?

S Bharadwaj Reddy
Proportional controller: With proportional band, the controller output changes in “proportion” to the error between process variable and set point. The amplitude of the change is adjustable from 1% to...

What is Integral Wind Up ?

S Bharadwaj Reddy
The PID controller plays a major role in controlling the process parameters in process industries. It consists of Proportional term, Integral term and Derivative term which combinedly reduces the transient...

Why we use Diode Protection Modules ?

S Bharadwaj Reddy
The Diode module can be used to 100% decouple two power supplies of the same type, which are connected in parallel on the output side to increase power or provide redundancy....

Interview Questions on Fieldbus Communication

S Bharadwaj Reddy
The following are the list of interview questions on fieldbus communication Fieldbus Interview Questions and Answers Fieldbus Questions Why is the H1 bus speed 31.25kbps, not something different, suitable for closed...

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