There is a problem with our HART475 it is not communicating with smart devices error becomes "NO DEVICE FOUND"we have insert 250ohm resistance as per requirement but invain plz tell me the solution?

1 Answers  

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Meaning of the following a. IOP- Manimum; b. IOP- Maximu,;

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Sir i am preparing for PSU exam for ONGC but i am not able to get the appropriate syllabus and previous year question papers. Kindly send me the same, that will be a great help from ur side. OR if anyone can plz send me the papers and syllabus please.

11 Answers   Bhel, GAIL, IOCL, ISRO, NTPC, ONGC,

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how can we measure the pressure in underground cooling water pipeline by using pressure transmitter?what about the tapping position?

2 Answers  

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what is the full formof HART

7 Answers  

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What is the difference bitween control net scaner and device net scaner

0 Answers   Binani,

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SIR MAY I KNOW IF RADAR TYPE LEVEL TRANSMITTER SHOWING IN THE FIELD 0 % LEVEL AND IN DCS SHOWING 100% THEN WHAT IS THE CAUSE I CLEAN THE CHAMBER & TAKEN ONLINE BUT ONLY ONCE ITS BECOME ZERO IN DCS BUT AGAIN 100% SHOWING IN DCS,THEN I REMOVE THE POWER SUPLLY AND CONNECT IT AGAIN .IS IT OK BUT STILL IN THE DCS ITS 100% AND ON THE DISPLAY ITS INITILAZIATION PLEASE HELP ME READRING THIS?

4 Answers  

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Explain why use mmwc unit?

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Name four general (not technical) criteria that would you consider important, when deciding upon a particular control valve?

1 Answers  

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what is the different between plc and dcs ? I know full name of this two but I want to know what structure and working style and speed I/O capacity and controller difference?

2 Answers   L&T,

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What are the key components of control loop?

1 Answers  

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What are the reliability data ,like failure rate etc,for bently nevada systems & vibration probes.

1 Answers  

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