Answer / aswin

Mostly we r using F type and G type cable in instrumentation.
F type is individual and overall shielded.G type is over shielded.
Namely divided two type.Signal cable and control cable.signal cable carry 24vdc plus 4-20ma(AI/AO) . But control cable for DI/DO.24V DC,230AC,220 DC.Cable tray root also diff for diff signal.

what do you mean by Loop checking ? What are the cold loop check and hot loop check? what are the difference between these two loops?

1 Answers  

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ON RADAR INTERFACE LEVEL TRANSMITTER IF DI-ELECRIC IS WRONG WITH CONTINIUS PROCESS THAN HOW CAN INDENTIFY OR HOW CAN I PUT NEW DI-ELECTRIC VALUE?(ROSEMOUNT-TDR-3300-COXIAL PROBE TYPE)

1 Answers   Chevron Phillips,

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what is difference between HART communication and BRAIN communication?

1 Answers   Delta Controls,

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what is formula for calculating flow if i have pressure and pipe diameter?

1 Answers  

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State 5 different method of level measurements.

3 Answers   SRACO,

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In 2 wire transmitter 1 wire is used for power and other is used for signal( 4-20)ma In 4 wire transmitter 2 wires are used for power and 2 wires are used for signal (4-20)ma . but my question is "what is the criteria or parameters we have to consider while selecting these transmitters for eg( distance, safety zones etc.

1 Answers  

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what is the current pay package for an instrumentation engineer having 2 years of experience in cryogenic technology???????

1 Answers  

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How to change dcs card in online. (Dsc is maxdna)

0 Answers  

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Is it possible to convert 4 wire transmitter to convert to 2 wire with additional relay.Please send detial with drawing,i will appreciate.

2 Answers  

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What is the loop calibration? Which instrument used to loop calibration and how?

2 Answers   Descon, QCon,

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How to connect another 24 volt dc power supply in circuit when previous power supply has become weak.what is the connection?

2 Answers   Bhole Baba Dairy Industries,

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what is the differnce between PLC & DCS

7 Answers   TVS,

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