Answer / gopalakrishnan

Its a set of rules and regulations for communication for
both DCS and PLC.

Answer / indrajit.p

Protocol is a set of rule following which, the
communications take place. This communication can be
between field instrument and controller like DCS, PLC or
within LAN, WAN, VPN etc....

Answer / dineshkannan

that is protocalmean by range in signal to filed to
marshaling cabinet .in distrubutdd control system and
program logic controller ....

how to calibrate a capillary type level transmitter for a closed tank in field? also what is the procedure for commissioning a capillary level transmitter for a closed tank?

2 Answers  

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why 1 to 5 vdc is used for output measurment

4 Answers  

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Why we use 3-15 psi air for control valve input?

2 Answers  

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DEAR SIR/MADAM MY NAME IS ARKAPROVA BHATTACHARYYA.I AM A FRESHER INSTRUMENTATION ENGINEER.CAN YOU PLEASE SEND SOME QUESTION PAPERS OF GRADUATE ENGINEER TRAINEE EXAM OF DVC(DAMODAR VALLY CORPORATION).MY EMAIL IDs ARE arka_aec@rediffmail.com.

0 Answers  

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whatis virtual instrumention?

5 Answers  

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Explain bernoulli’s theorem.

0 Answers  

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why the discharge pressure of ID fan showing negative at fan running condition.(boiler operating condition.)

5 Answers  

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what is Mv with respect to temprature in thermocouple

2 Answers  

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why used three wire in RTD.

8 Answers   BARC,

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Is there devices to convert mechanical energy/rotational energy into electrical energy.......? PLease suggest me....

6 Answers  

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why we are using analytical instrument in plant ?

1 Answers  

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How to connect field devices to PLC and DCS using a FIELD BUS, DP,MOD BUS(please tell me any extra interfce or adopters need in this case if we use remote i/o s)

3 Answers  

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