Answer / Upendra

a) HART:t250 bytesnnb) Profibus DP:tt31 bytes (data packets), 101 bytes (cyclic synchronous messages)nnc) Profibus PA:tt29 bytes (standard format), 45 bytes (extended format)nnd) DeviceNet:tt176 bytes (standard format), 637 bytes (extended format)nne) Foundation Fieldbus:t512 bytes

what happens if we are having very very high cavity and flashing in a control valve..??? is it stops working...immediately... or eroded...slowly

2 Answers  

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Why do we need to install hook-up line differential pressure type level transmitter when the differential pressure type level transmitter with capillary are available?

2 Answers  

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what is the reset offset and control system in instrumentation

1 Answers   ABB,

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1. Pl. send details about different types Gas Analyser, like Co2, O2, SOX/NOX, etc. with calibration procedure. 2. How to calibrate H2S gas detector in field?

1 Answers   HPCL, Napesco,

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Which is your favourite subject & explain any one topic of it.

1 Answers   L&T,

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Explain about P&ID diagram?

3 Answers   Technip, Toyo Denki,

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What is the load line in control valve?

1 Answers   IFFCO,

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Where we r using split range and ratio controller?

1 Answers   EID Parry,

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What is maintenance planning?

3 Answers   Qatar Airlines,

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how can loop single 4-20 ma to two isolation amplifier? i mean i have two isolation amplifier with 4-20 ma input and 1-5 v output.can i done series connection ?

1 Answers  

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Can please tell mi about SIOS, PRM, SERVER, and what is the diference between PIN LAN, PCS LAN,APC Server, and please send the Doc if possible for referance,mail id patil_amit17@yahoo.com

1 Answers  

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How it the difference between force balance system and dispalacement balance system?

1 Answers  

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