arun kumar gunasekaran


{ City } chennai
< Country > india
* Profession * sr. engineer instrumentation a
User No # 19268
Total Questions Posted # 0
Total Answers Posted # 4

Total Answers Posted for My Questions # 0
Total Views for My Questions # 0

Users Marked my Answers as Correct # 116
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Questions / { arun kumar gunasekaran }
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Answers / { arun kumar gunasekaran }

Question { Jindal, 16782 }

deference between DCS and PLC including date processing and
architacture.


Answer

DCS has more storage space compared to PLC

Is This Answer Correct ?    19 Yes 3 No

Question { DigiTech, 46167 }

how to write the program for single push button by using
ladder diagram


Answer

1. Create a Push button
2. connect a Counter series to PB
3. create a compare button
4. initilize 1 at one end
5. Counter output in another
6. Connect the Coil which has to be energised
7. initilize 2 at one end
8. Counter output in another
9. Connect the Coil which has to be deenergised

Is This Answer Correct ?    7 Yes 17 No


Question { Sofcon, 71121 }

why 4-20 mA signal is preferred over a 0-10V signal


Answer

Voltage drops due to Resistance and so we are using 4-20 mA

Is This Answer Correct ?    77 Yes 11 No

Question { 31766 }

can we use a control valve without positioner


Answer

yes, Positioner is used to show the position of the valve.

Control valve operates based on feed back from Transmitter
through PID Controller.

Is This Answer Correct ?    13 Yes 58 No