Answer / vijay krishna

profi bus communication is not suitable for more distance
and will be get affected by emf.signal strength will also
low compared to ofc commn.only thing is less expensive.

What is maintenance planning?

3 Answers   Qatar Airlines,

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what should be distance from tapping point to inallation place of instruments?

3 Answers   Tasnee Petrochemicals,

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If a flow transmitter (magnetic type FT) that can measure flow and temperature, then why in some industries people use flow transmitter and temperature transmitter in the same line 1 after another? Even after 1 single flow FT is capable of measuring flow as well as temperature.

1 Answers   Process Control Technologies,

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What is cable size for intrenal wiring in DCS or PLC ,from any card to Terminal amd Why

2 Answers  

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how to calibrate a capillary type level transmitter for a closed tank in field? also what is the procedure for commissioning a capillary level transmitter for a closed tank?

2 Answers  

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Explain , how timer based pneumatic control valve will work ?

1 Answers  

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When can a bypass not used on a positioner?

1 Answers   CCIE,

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If hart communicator provide 4-20ma source to any transmitter during the callibration?

3 Answers   Hyundai,

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What is Span Error

0 Answers  

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How many problems can be occurring in solenoid valve? And how it can be rectified?

1 Answers   Adgas,

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What is modbus?

0 Answers  

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what is pneumatic control system?

1 Answers   APL,

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