Answer / ashish gupta

There are 3 different modes of a PLC processor.
1. Program mode - In this mode the processor will not
execute the output even if all the inputs are healthy.
2. Run Mode - Normal Operation Mode
3. Remote Run -

I don't know what happens in 3rd mode if anyone knows
please post the answer.

Answer / sushil jambhulkar

3)Remote run - PLC run as per HMI OR PC interfacing with
it.

Answer / narendra mishra

Remote run mode allow user to switch between run and program mode remotely.

If we increase D what will be the controller action?

2 Answers  

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Explain the difference between plc and cnc?

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A pressure differential gauge type of instrument has a manifold with 2 isolation valves (hp and lp),2 vents(1 each for hp and lp) and 1 equalizing valve. Determine the position of each valve(either fully closed or fully open) when troboulshooting to: 1. zero the transmitter. 2. determine if there is a block in the impulse line. 3. determine if the gauge is functioning properly. The process fluid is water.

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give some question relative instrument fitter?

0 Answers   Armco,

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why we are using orfice plate? then difference between orfice 7 nozzle plate?

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3 Answers  

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Transducer Input 0 to 230 v ac Output-0 to 10vdc Receiver Input 0 to 10 vdc and Output 4 to 20 ma How?

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How to calibrate Magnetic flow Transmitter in Field

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how many maximum enter 2mm Dia solid cylindrical pipe into 8mm Dia hollow cylindrical pipe. give answer with calculation.

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I want to know the questions asked in ONGC interview(after being selected in the written exam) for Instrumentation branch.Kindly help.

0 Answers  

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