So I'm a first year apprentice and I'm having a tough time with knowing the difference between AI, AO, DI, DO. I'm having a hard time understanding what devices are which and why. Can someone explain this to me?

2 Answers  

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Please can anybody tell me the step by step procedure for calibrating the Pr,Lvl,Fl,Temp transmitter on process?

1 Answers  

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What is the diffrence between digital signal processing and discrete signal processing?

0 Answers  

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why we use cascade control and feed foreword control in 3 element control of boiler drum ?what is feed forward and cascade control system ?

0 Answers   Visa Steel,

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what is the difference between attemperator and desuperheater ?

0 Answers  

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WHY WE R NOT USING THE TURBINE FLOW METER IN THE STREAM SERVICE ? pl explain?

3 Answers  

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When doing a liquid seal on a differential flow transmitter , most of the time the sealing liquid will be heavier then the process fluid. For wich application will the sealing liquid be lighter than the process fluid if transmitter is mounted below the process line.

0 Answers   Chevron,

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How LVDT position transmitter works on DC supply(24vdc) from DCS, whereas transformer operates on AC supply? pls help..

1 Answers  

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Please asked me How calculate DCS controller memory.

0 Answers   Yokogawa,

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Basics Instrumentation Question

1 Answers   Advantek Fuel Systems,

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What does a hookup diagram look like? can you give sample drawing. thanks.

1 Answers  

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what is principal of pressure transmitter?

5 Answers   Hindalco, SPB,

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