what is modbus?and why use it?what benifit

2 Answers  

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cascade controller is feed back or feed forward or both

4 Answers  

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what is principal of pressure transmitter?

5 Answers   Hindalco, SPB,

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which transister (npn or pnp) is used in vibration monitoring for negative voltage? 

2 Answers  

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Good Evening all.My question is - For a feed water line to an equipment if i need to measure the flow we will use orifice /magnetic/vortex depend on cost/spec.If i need to measure a ''Alarm''signal and ''Interlock'' from one point i think we can use orifice type in one location with 2 different tapping points - one for alarm and one for an interlock to flow valve..If in case i need to have both these signals(Alarm & interlock) from magnetic flow meter,is it possible??will 2 seperate sensors will be located inbuilt r we can program it ??..i thk we can have one transmitter with these 2 signals...need to know any technical issues are there?pls clarify

3 Answers  

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What are the charecterstics of control valve.

2 Answers  

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how do u calibrate the vacuum transmitter if it shows more reading

1 Answers  

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What is Hysteresis mean in Instrument?

11 Answers  

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why level transmitter input is given 4to20ma

2 Answers   Sabic,

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Explain plc level and its type?

1 Answers  

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In turbine, what does term CDP, NI, NH, HSSOC, means

1 Answers   ADMA OPCO,

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

4 Answers  

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