Interview Questions Answers in Instrumentation

sreenivasan

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Question { Honeywell, 43452 }

Determine the manipulated variable, controlled variable,
and the measured variable given a description of various
typical industrial processes.

Answer

let e---error,r--setpoint(reference),b--feedback(measured
variable), m---manipulated variable, c---controlled variable

Now

1)e=r-b
2)c=(Control action*e) + Bias
3)m= c(after final control action)

Is This Answer Correct ?

13 Yes

13 No