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.

How Many Slave Can be used in one slave ?

2 Answers  

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Sir, my yokugava FF TYPE LEVEL transmitter us bad, i don't have spares available, i want to replace it with a Rosemount FF transmitter, please tell me what procedure to be followed and what changes to be done in dcs part.

1 Answers   BPCL Bharat Petroleum, OEG,

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why the derivative in PID is always set to zero?

3 Answers  

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Explain the working of rota meter.

0 Answers  

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What is the three element? And how it work?

1 Answers  

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what is the Difference Between Domain and Station?

3 Answers   Emerson,

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How can we measure the level of a closed system like drum

3 Answers  

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generally transmitter power supply having some range(12v to 35v) but the out put(4-20 mA) must same for given input.If we vary the power supply voltage then output mA also to be change according to V=IR. Is there any voltage regulator in the transmitter ?

2 Answers  

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Where should we terminate the shield and why?

3 Answers   OPaL,

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difference between plc and dcs?

3 Answers   Honeywell,

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A pressure differential gauge type of instrument has a manifold with 2 isolation valves (hp and lp),2 vents(1 each for hp and lp) and 1 equalizing valve. Determine the position of each valve(either fully closed or fully open) when troboulshooting to: 1. zero the transmitter. 2. determine if there is a block in the impulse line. 3. determine if the gauge is functioning properly. The process fluid is water.

1 Answers  

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how its work inductive proximity sensor explain briefly?

1 Answers  

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