In closed loop control there are several “blocks” used to show the interactions between the process and the control system. These blocks are referred to as the “process” and the “controller.” Describe the relationship between these two blocks when creating a well tuned control loop.

1 Answers  

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What is cut off relay? And why use in PLC and DCS?

0 Answers  

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what is novram ic number of foxboro 762cna microcontroller ?thank

1 Answers  

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can i get any detail of interview question asked for instrumentation,plc,scada ,dcs..............

2 Answers   Asec, Honeywell,

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how the arrangement of equipments done in control room

0 Answers  

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what is commisioning procedure,2)what is is the main work in commisioning in the field tx to dcs, plz send me detail

0 Answers  

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what is the formula for calculating milliampere at different pressure points for eg 4-20 ma = 3-15 psi but if i have to check the ma at 4.6 ma?

4 Answers  

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how to wire from pressure transmitter to marshalling panel and panel to controller and controller to dcs plz give the answer with example .

2 Answers  

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what is see back effect?

9 Answers  

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Explain the working principle of variable frequency drive?

0 Answers   ABB,

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How u measure the massflow in orifice flow measurement techniques

0 Answers   Johnson Matthey,

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why we use the 4-20 mamp signal used for transmitter.

5 Answers   Tecnimont,

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