Answer / omak

In DCS system , their is an option called third party interface.this third party interface is mostly in serial communication method. so by using the third party interface card, we can connect the PLC using serial communication method.

Answer / abdul rahim

we can connect the third party in dcs by using the Profibus
serial communication.

Identify and use the ANSI/ISA-S5.1 consensus industrial standard process symbols.

0 Answers   GAIL, Olympia,

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why 4-20 mA in covection system?

3 Answers  

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How to make position transmitter feedback reverse i.e at valve close i want 20ma output and at full open 4ma.for the NELES positioner,model:ND8261/TS1.

3 Answers  

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i want to know the interview format fot gail, instrumentation. pls answer me in habib.sami1003@gmail.com

0 Answers  

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Why only negative 24 vdc supply give in vibration measuring system.

6 Answers  

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why do we use 4-20mA as o/p and why don't use 0-20mA or 5- 21mA?

3 Answers  

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Explain what is meant by the term “FLASH POINT” of liquid?

2 Answers  

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Why we use DPT? can we use PT instead of DPT?

2 Answers  

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Why capacitive banks ar5e important?

5 Answers   Siemens,

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Dead weight tester & comparator for calibration , which is more accurate , what is the application.

1 Answers   Bapco Bahrain Petroleum Company,

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Why the industry's standard current standards are from 4mA to 20mA,not from 0mA or any other range?

3 Answers  

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Close loop and open loop.

3 Answers   CCIE,

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