Answer / gautam

50hz

why the positioner output is 3-15psi

5 Answers  

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Hi buddies! my name is sachin and i am working as a electrical and instrumentation engineer in a paper plant. right now i am facing a problem and if someone could help me it will be an immense pleasure to me. i am using AC 800M to synchronise DCS500 drives on paper machine and rewinder.communication is on PROFIBUS and we are using NPBA-01 module to link profibus to DC drives.But these days two of these drives are showing a error named FIELDBUS COMM.TIMED OUT and the drives get tripped.I have changed the NPBA module and PROFIBUS cable.So if anyone can do please help me out with this problem.I'll be highly grateful.

0 Answers  

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What is the SCAN time of a DCS/PLC? What is the typical value for scan time of DCS and PLC?

6 Answers   Essar, Gasco, Siemens,

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what is the full formof HART

7 Answers  

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What is the advantage of using locally fabricated hook ups over Pre fabricated hook ups in process instrumentation?

0 Answers   Engineers India Limited,

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calibration of instruments.

11 Answers   ONGC,

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sir ,iam in dem urgent need of HPCL Paper of Instrumentation Branch plz send me at your earliest convenience at ujjwal_sharma1983@yahoo.com

0 Answers   ONGC,

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pls give me presant awerness quistion and answer in my emailid.

0 Answers  

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why OPC server is used in DCS?

2 Answers  

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What standards are used for earthing of field instruments?

1 Answers  

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which type of filter gives the constant phase characteristics?

0 Answers  

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hello sir/madam, I,Subramanian need 5yrs placement papers of officer trainee of Instrumentation technology.pls send to this mail id mani_nxtgen@yahoo.co.in please do the needful. with regards, subramanian.v

0 Answers  

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