Answer / abdul rehman

ILD stands for Instrument Loop Diagram. It shows connection
from field instrument(s) to Junction Box then Marshalling
Cabinet and finally system cabinet (control system like
DCS / PLC etc)and its workstation graphic address.

how to measure temperature from resistance of rtd?and how to measure temp from voltage of thermocouple?is there any formulas?

3 Answers  

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what is beta ratio?

3 Answers  

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why we use 24v dc in instrument rahter than 230vac????

4 Answers  

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what is temperature compensation?

1 Answers  

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what is the relation between flow and pressure.for example relationship between level and pressure is p = phg like that i want ans for this question.and also how to calculate orifice sizing and flow transmitter. pls some one ans for this questions.

3 Answers   Orchid, SRF,

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what is difference between profibus and field bus?

1 Answers  

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What is a PID controller and how can it to applied to our everyday life?

4 Answers  

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In oil & gas industries and petrochemical industries, there are classification of zones like zone 0, zone 1, zone 2. Is there any differences in voltages or power supply supplied for the process instruments, control instruments depending on the zones

1 Answers  

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FOR CO/CO2/O2/NOX applications which of the following manufature is best? and what is the basic principle of gas analysers? ABB/YOKOGAWA/EMERSON/SIEMENS/TELEDYNE/THERMOFISHER

4 Answers  

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TEMPERATURE VARIATION FOR FREQUENTLY.

0 Answers   TVS,

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How does a redundant controller comes in line when the main controller fails??

3 Answers   Yokogawa,

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hi everybody. right now i am working with thermal power plant. our company plant is tripped because of program corrupt. i would like to know is it possible when the plant is running. we are using FREELANCE ABB800F CONTROLLER.

2 Answers  

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