What is the exact differences between HART,FOUNDATION FIELDBUS,PROFIBUS?

1 Answers   Jubilant,

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POSSITIVE PULSE IS APPLIED TO AN INVERTER INPUT.THE TIME FROM THE LEADING EDGE OF THE INPUT TO THE LEADING EDGE OF THE OUTPUT IS 10 ns. THE TIME FROM THE TRAILING EDGE OF THE INPUT TO THE TRYLING EDGE OF THE OUTPUT IS 8 ns. WHAT ARE THE VALUES OF tPLH and tPHL?

1 Answers  

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Why we are using temperature and pressure as a reference when measuring flow of steam?

4 Answers   Shell,

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generally for transmitter we are giving supply 24vlts?but we are getting output 4-20ma ? how it is possible? is there any operation inside the tx?pls give complete information?

3 Answers  

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what is the different between plc and dcs ? I know full name of this two but I want to know what structure and working style and speed I/O capacity and controller difference?

2 Answers   L&T,

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this site is owned by an nonsense

0 Answers   Bhel, Prolific,

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What care will you take in the installation of control valves,SCADA,DCS and FOC in Oil and Gas Project?

1 Answers   KNPC,

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how to convert cubic metre per hour to newton cubic metre per hour

1 Answers  

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what is the principal of flow transmeter,level trans meter,presser transmeter?

11 Answers   Nestle, Reliance,

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What is the maximum distance limit of 4-20mA and 0-10V DC standard signal transmission ?

3 Answers   BARC, ME,

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how to calibrate the interface leveltrol

1 Answers   Lanco,

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what is the function of a zener diode ?

2 Answers   Honeywell,

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