why OPC server is used in DCS?

2 Answers  

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What is passive connection of instrument in different type of I/O module

1 Answers  

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hii my name is sujith...i am preparing for HPVL GET 2010... so ,,,pls help me by send any previous questions or material to my site.....(Msujith_12@in.com) thank q

0 Answers  

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Please explain the difference between instrument range and calibration range in terms of pressure transmitter? line design pressure: 93 bar operating pressure : 82 bar press Transmitter Range? calibration range ?

3 Answers   L&T,

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why use 4-20mA in the field of instrumentation?

8 Answers  

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why we use 250 ohms across HART CALIBRATOR DURING CALIBRATION OF TRANSMITTER

4 Answers  

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What s the exact height of installed transmitter?

1 Answers  

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There is a problem with our HART475 it is not communicating with smart devices error becomes "NO DEVICE FOUND"we have insert 250ohm resistance as per requirement but invain plz tell me the solution?

1 Answers  

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testing of thermo-couple?

3 Answers  

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why does mA signal preferred for signal transmission?

12 Answers   Emerson,

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I need control valve ISA hand book. Is there any site to download that big book containing all the pages. Written by Paul Friedmann

0 Answers  

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What is the right procedure for adjusting the gap voltage of bently nevada vibration sensor?

2 Answers  

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