Answer / abhijith

if process value is above than instrument range that is IOP
input open and if u remove 24v supply in transmitters it
shows IOP.

Answer / dass

IOP is an alarm condition where in the input data has become a bad value as a result of disconnection of a detection terminal or process I/O device or the abnormalities of input destination data .

Answer / nani

if process value in line is very high and loop power 24 v
failed to transmitter

Answer / ali imran fmb

If the Process value went to over range value due to any reason and frequently triggering alarm on the DCS or SCADA. To avoid this frequent alarm if the DCS or SCADA scanned off or shelving facility is locked, some technicians remove the 24v supply in transmitters then it will trigger alarm input open as well as it will show IOP on the face plate of the this tag number instead of normal. (NR)

Give 2 application of quartz crystal used for process parameter measurement.

1 Answers   ADMA OPCO,

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what is pressure control

1 Answers   GNFC, IBM, Privi Organics,

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can any one pl explain me in brief that how we select the leakage classification in valve,means for liquid or gas there is any standard for selecting leakage classification or its depend upon valve size or any any other parameter.

3 Answers  

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what is the difference between sinking and sourcing inputs and also what are there applications?

2 Answers  

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how we can measure the interface level?is it possible to measure interface level with dp or pressure transmitter?

2 Answers  

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Q- Which of the following is Close loop system - a-)respiratory System b-)traffic light system c-)washing machine d-)Room heater my option is A, what is our take on option B & C

4 Answers   Sail,

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which transister (npn or pnp) is used in vibration monitoring for negative voltage? 

2 Answers  

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what are the different types of communication cables used in automation and what are the difference in the cables

1 Answers   KN,

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What is input and output of plc & dcs

2 Answers  

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HELLO FRENDS ,, I M IN THE MIDST OF TROUBLE .. JUST LITTLE HELP ME... SUPPOSE ,, I HAVE A CLOSE VESSELE TANK ( HEXANE MEDIA ) ,, I M USING ROSEMOUNT 2051 DPT FOR LEVEL APPLICATION .. ITS CALIBRATE RANGE IS.. . 0 TO 950 MMH20 ..I DID CALIBRATED DPT WITHOUT REMOVING IMPULSE LINE OF HIGH AND LOW TAPPING.. & WITHOUT DISTURB 3 WAY MANIFOLD..!!! BUT ,,, DURING CALIBRATION I SELECT RANGE BY HART LRV IS 900 MMH20 & URV IS 1300 MMH20 ,, BUT ,TANK LEVEL SOMETIMES 100 % AT 1100 MMH20 , SOMETIMES 1300 MMH20 ..IN THIS CONDITION .. WHOLE LOOP FAILED ,, MAIN THING IS THAT ,, HOW TO CUSTOME RANGE SELECT ?? AND IF I USED RANGE OVER THE ORIGINAL CALIBRATE RANGE ,,,THEN WHAT ERROR WILL BE COME ??? HOW TO ZERO CALIBRATION OF DPT... HOW TO ZERO TRIM BY MANIFOLD ?? AND FOR TANK LEVEL PURPOSE ... WHICH UNIT I CAN USE ??? IS THERE ANY CALCULATION OR CALIBRATION .. IF YEH .. THEN PLZ JUST GIVE ME CALIBRATION STEPS FOR DPT.. THANKS YOURSSSSSSS

1 Answers   Torrent Pharma,

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Explain about safety integrated level protection? . How it was differ from other protections ?

0 Answers  

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in any transimitter (flow/level) there are three terminals for supply& test (+,-,+)in two wire,24VDC given to Tx.,but how 4-20 ma signal travels thru same wire (as it is for 24VDC input supply)?

1 Answers   Jindal, UltraTech,

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