Answer / hemant bhati

Modbus is a Modicon bus it doesnt require dedicated
interface card as it required for fieldbus(Profibus) Modbus
can communicate from serial printer port via RS-485 n RS-
232 while Fieldbus can communicate from RS-485 ONLY.

HOW DOES SPECIFIC GRAVITY AFFECT LEVEL MEASUREMENT.

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how to calibrate bubbler type level transmitter of rosemount make and how to set air flow according to the range.. give one calibration procedure with one example

1 Answers  

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Dear friends, I have a question: We work on a project which has some boilers to provide steam for desalination unit. The boiler area is safe and the only hazard source is the fuel lines of boilers. I want to know according to NFPA standard which type of instrument should be selected on the fuel line: Eex Type or Non-Eex type? Thanks in advance

2 Answers  

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what is diffrence between analog card and digital card in plc.how analog card work,Please explain in detail.Please send it on abhi_vyas@sify.com

6 Answers  

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anybody having Qatar Petroleum questions for instrument Technician offshore ....please send me

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can anyone can let me know in Eurotron Micro cal 2+ calibrator in milli amps source mode we are not able to get 20 milli amps output it only produces 1.52 milli amps out, but display shows increase in milli amps , and err6 displays, let me know how to remove the err 6.

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what do we mean by hook up drawing. what r the information we get from it?

7 Answers   Reliance,

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Can anybody explain about wellhead control system.

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How to calibration a control valve?

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What is the difference between EPROM & EEPROM.

1 Answers   Sabic,

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Explain , how timer based pneumatic control valve will work ?

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What is glanding

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