Answer / carl_ellis

1) A light dimmer switch

2) the throttle on an automobile

Describe all types and levels (4-20mA, 0-10V, mV, pulse, etc.)of analog and digital I/O used in process control application.

2 Answers   Jindal,

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Why we. Don't measure current in parallel? Why we measure current in series and why we measure voltage in parallel only?

2 Answers   Almeer Technical Services,

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what is datum line?

4 Answers  

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why we are using -24 vdc in plc?

1 Answers   CGL,

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What is 3 element control system

0 Answers  

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How u will setup SPI(2007) on Citrix Server (Thin Client Mode)? Plz Justify?

0 Answers  

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how many mmwc are eual to 1kg/sq.cm & can we calculate mmwc into tph?

2 Answers  

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what is the safety integrity levels (SIL)

1 Answers  

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What pressure results for a flow transmitter of range 0- 180t/h in the dcs and 0-301mbar in the field using square root extraction. Kindly also suggest formulae for the percentages 0,25,50,75,100?

0 Answers   Kentz,

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Pressure tx shows 1 mbar but we need 1000 mbar at this process condition .. how can we sort it out .

0 Answers  

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if in a level tx height is given, how u calculate the ranges of the tx?

2 Answers   Bombay Rayon Fashions, Invensys,

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how to convert transmitter milliamps output to like temp,pressure etc.....

5 Answers  

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