Instrumentation Engineering Question:
Download Questions PDF

What are the key components of control loop?


Answer #1
A closed control loop in a very basic manner consists of
sensor, transmitter, controller,signal converters and final
control elements.Actually in a practical loop there will be
many other instruments apart from this to support the
working of above mentioned instruments.

Answer #2
The control loop main key components is sensor,controller & final control element

sensor mean level transmitter,RTD,flow meter,pressure transmitter,pressure switches

final control element mean control valves, pumps vent valves

Download Instrumentation Engineering Interview Questions And Answers PDF

Previous QuestionNext Question
What is the meaning of wet leg & where is it used?Explain working principle of lvdt?