Answer / faiyaz ahmad

Bentley neveda system used NPN transistor or NPN transistor give the negative voltage -9 volt that's why vibration probe give a negative voltage

Draw a great bridge circuit.

0 Answers   CCIE,

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tion 0,50,100% equql to voltage formula?

1 Answers  

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What is glanding

1 Answers  

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What are the Components of Siemens S7 300 Series PLC system ?

1 Answers   Siemens,

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what is the function of 3 way manifold valve in a closed loop system?

1 Answers   Emerson,

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why is negative range given to measure the steam drum level

2 Answers   Jindal,

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1. What means HART communicator / where it is used / how to use it? 2. Types of Thermocouples and its temperature ranges / output of thermocouple? 3. Types of RTDs and its temperature ranges / output of RTD? 4. Idea about Temperature Transmitters? 5. Difference between Analog and Digital signals? 6. Difference between “2 wire” and “4 wire” system / instruments? 7. Difference between “Potential” and “Potential free” contact? 8. Types of flow meters / transmitters? 9. Types of level transmitters? 10. Difference between “Power/Control” cable and “Instrument” cable? 11. What means “shield” and “screen” in cables / how it is useful? 12. Draw a schematic of closed loop circuit of flow / level / pressure / temperature? 13. Idea about calibration of Control valve / positioned / I/P? 14. How to bypass a digital/analog signal in PLC/DCS by hardwire and software?

6 Answers   JSL,

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How to check loadcell working or notworking

2 Answers  

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how to calibrate the interface leveltrol

1 Answers   Lanco,

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What is the working principle of the magnetic meter?

0 Answers  

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Hi buddies! my name is sachin and i am working as a electrical and instrumentation engineer in a paper plant. right now i am facing a problem and if someone could help me it will be an immense pleasure to me. i am using AC 800M to synchronise DCS500 drives on paper machine and rewinder.communication is on PROFIBUS and we are using NPBA-01 module to link profibus to DC drives.But these days two of these drives are showing a error named FIELDBUS COMM.TIMED OUT and the drives get tripped.I have changed the NPBA module and PROFIBUS cable.So if anyone can do please help me out with this problem.I'll be highly grateful.

0 Answers  

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whatis virtual instrumention?

5 Answers  

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