Answer / iyyappan.m

Open loop is a only one transmitter here is no control of valve or anything.

Closed loop is a Pid loop ,transmitter control the control valvewith operator desired setpoint.

When we will do simulation for I/P?IF WE DO SIMULATION through which way either series or parallel?

1 Answers   TVS,

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what is concept of field,control room area in transmitters?

1 Answers  

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what should he know if he is an assitent engineer instrumentation in cement industries of experience of 10 - 15 year.

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relation between level and differential pressure.

3 Answers  

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Hi Friends i need Electronics&Instrumentation Engg question papers for BARC written test by coming 20th May 2008 pls post ur use full info to kkumarei@gmail.com. Or for suggestions pls give one missed call to 9962122264

0 Answers   BARC, Wipro,

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what is the difference between two wire transmitter and 4- wire transmitter

3 Answers  

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without a positionar can a control valve operate? give the difference of operating with positionar and without positionar?

5 Answers   IOCL,

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what are the selections available in configuring a burnout protection of a controller? thanks

0 Answers   NPC Alliance Corporation,

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what is difference between E/P positioner and I/P positioner. Why E/P fixed in below actuator and why I/P fixed in other place

1 Answers  

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I have energy meter for educational project having 0.5s class but my friend need 0.2s class meter , which one is good for that purpose and what is the actual difference of that two classes , need very easy example also.??

0 Answers   BBS,

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what is the difference about HART, and 4-20mA signal?

8 Answers  

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Related to control system, What is difference between 4-20 mA active & 4-20 mA pasive signal.

1 Answers  

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