what is difference between PLC and DCS?

10 Answers  

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What is an antisurge control system, how it works?

3 Answers  

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please send the sample qustion paper for iocl written test ..

0 Answers   IOCL,

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difference b/w single acting and double acting actuator by using application only?

2 Answers   McDermott,

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what is input and output cards of plc needs to be hot swappable mean

1 Answers  

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what is SIL 1 2 3

0 Answers   KOC,

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Can we calibrate an actuator?

5 Answers   Siemens,

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What FLOW METER generally used in Gas plant?

5 Answers   Gasco,

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I m appointed as an automation trainee engineer in small firm in that I am only the one , my company give me a project on s7-200 as i m beginner I don't know how to program so please send me the helpful site so that I complete my project before deadline....please help me out in this critical situation.

0 Answers  

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in split range control valve,two valve should be in two different line and that should have some distance,and we have only one positioner feed back link.so how we connect one feed back in two control valves?if you have picture please forward me.my email id kb.syamkumar@gmail.com

2 Answers  

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why t/c is connected parallel and what is the purpose of it

2 Answers  

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We Have Two Field bus Pressure Transmitters of Different Sensor Range (I.E One is of Lower range and Another is of Higher Range).Is same Process Line. My Question is Can i provide Saturation Limit to my field Bus Transmitter as We can provide Saturation current limit to HART Instruments. As During Low Pressure Both Working OK ,But During High Pressure, transmitter with Lower sensor range Goes to Fault mode as Beyond its Sensor Limit it can Measure, So may I provide Saturation point Some where to Suppress This Fault during High Pressure.

0 Answers   OPaL,

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