which types of oxygen analyzer describe with drawing ?

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What is the difference between sdv and bdv ?

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What is Span Error

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How Many Slave Can be used in one slave ?

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hi,i am doing 3 year in electronic and instrumentation engineering. what type of aptitude questions will be asked in a core industries and how can i improve my skills in instrumentation?

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applications of 1-5v and 4-20ma?

4 Answers  

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Hi buddies! my name is sachin and i am working as a electrical and instrumentation engineer in a paper plant. right now i am facing a problem and if someone could help me it will be an immense pleasure to me. i am using AC 800M to synchronise DCS500 drives on paper machine and rewinder.communication is on PROFIBUS and we are using NPBA-01 module to link profibus to DC drives.But these days two of these drives are showing a error named FIELDBUS COMM.TIMED OUT and the drives get tripped.I have changed the NPBA module and PROFIBUS cable.So if anyone can do please help me out with this problem.I'll be highly grateful.

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what is meant by control valve sizing?

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what is the difference between active and passive loop ?

8 Answers  

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for what purpose strain guage is used?

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what is the exact job for automation enggineer?

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What is maintenance planning?

3 Answers   Qatar Airlines,

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