why the SCAN time of DCS is more & that of PLC is less? if the SCAN time of DCS then why we use DCS.

4 Answers  

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What is the logic a Transmitter control a Control Valve? How the signal going to the Control valve? What are systems/Panels/cables/signal used to control valve from Transmitter?

3 Answers  

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What is the working principal of Mass flow transmitter?

1 Answers  

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plz tell me clearly about PID.."when v have to change I value,D value,GAIN??

0 Answers  

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EXPLAIN SOME IMP QUESTIONS AND ANSWERS ON TOPIC ELECTRONICS,INSTRUMENTATION.........

1 Answers   ONGC,

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how to calibrate level transmitter

2 Answers   Reliance,

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what will happen if transmitter wire get shoted?

2 Answers   Sabic,

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how i can copy paste the program of smart transmitter to another smart one with hart communicator?

2 Answers   KOC,

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pls tell me whethere flame proof HMI's are available or every HMI is manufactured by considering flame proof standard.

3 Answers  

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i want the equation of this question. Tranmitter range is 120 mmwc and dcs flow range is 1700 nm3/hr. if i want to change dcs range from 1700 to 2400 nm3/hr then how much dp i have to enter in transmitter

2 Answers   GMR,

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what should he know if he is an assitent engineer instrumentation in cement industries of experience of 10 - 15 year.

0 Answers  

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what is piezo electric transducer?its principle?

2 Answers  

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