Answer / aswin

Mostly we r using F type and G type cable in instrumentation.
F type is individual and overall shielded.G type is over shielded.
Namely divided two type.Signal cable and control cable.signal cable carry 24vdc plus 4-20ma(AI/AO) . But control cable for DI/DO.24V DC,230AC,220 DC.Cable tray root also diff for diff signal.

what different types of problems do occur while doing instrumentation commisioning and how to solve them? please explain in detail

1 Answers   Process Control Technologies,

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what are the inputs (drawings) we need to prepare loop schematics??

1 Answers  

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I want to install analog type, flange mounted gas flow meter (line size - 2"), for CNG flow measurement.Kindly give some details of flowmeter or suppler name, available in India.

1 Answers  

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1. How can leveltrol be installed in steam drum for measuring the level of steam drum?

1 Answers   Fischer,

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what is difference between 1/2"NPT & M20 x 1.5 cable gland?

8 Answers  

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why do we use 4-20 ma current why cant o-20ma

6 Answers   Southwest Cheese,

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Why any transmitter signal is 4-20 mA only Why is started from lower range 4 mA and upper range is 20mA.

5 Answers   Edac,

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find the kp ki kd from the transper function G(S)=29.44s+04707/1.5349s2+s

1 Answers  

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What is Cavitation?

2 Answers   Gujarat Borosil,

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why we are using magnet for calibration of gas detector?

1 Answers   NSH,

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what is the diffrence between plc&dcs

4 Answers   HCL, Hindustan Zinc,

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Why we use negetive (-)voltage in vibration system

4 Answers  

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