Related to control system, What is difference between 4-20 mA active & 4-20 mA pasive signal.

1 Answers  

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why does mA signal preferred for signal transmission?

12 Answers   Emerson,

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what is input and output cards of plc needs to be hot swappable mean

1 Answers  

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How to Calibrate Vibration Probe (Axial, Redial) in field

0 Answers  

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what is the calibration procedure for magnetic flow meter @ onsite

0 Answers  

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Functions of electropneumatic valve positioner:

4 Answers  

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What is surge and how is it prevented, what is the purpose of bypass valve across AS valve.

0 Answers   ADMA OPCO,

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I am new in work for 1 of our project we have some instrument in BOM including Pressure, Temp. and so on, I also noticed some objects like pressure switch process HOOK UP; which I don't know what does "HOOK UP" mean here.

3 Answers  

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hey any one got the papers of SAIL and HPCL plz do help me by posting them to my mail ID's naren07_87@yaho.co.in, surenarendra@gmail.com

0 Answers  

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what is LAS in foundation fieldbus protocol?

1 Answers  

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What is DCS?

5 Answers   Adani,

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HELLO FRIENDS PLZ EXPLAINE ME WHAT IS ORIFICE?AND HOW WE ARE USING IT IN INSTRUMENTATION

5 Answers   Wartsila,

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