Yokogawa dcs nodes advantages?

0 Answers   Petrochemicals,

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what is the difference between E/P positioner and I/P positioner in control valve , in which application the respective positioner are used in.

1 Answers   ABB,

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i have used level transmitter in starch cooking preparation tank. tank total height 2mtr.sometime LT display shows some error value when tank is fully empty and diaphragm side i already checked okay no problem in diaphragm area. field cable checked 24volt and mA shows correct value while tank empty mA is 4mA. 4mA i needed that 0% but display showing 10% or 15% percentage values are varying continously please give any good solution for me.....

0 Answers  

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Please explain for RS 485 & RS 232 communication

1 Answers   Honeywell,

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where we are used split range control

1 Answers   Borouge,

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what is cascade loop and how it work and why it used instead of PID single loop? In cascade, Which loop is faster and slower? Please explain with loop drawing and example...

2 Answers   Honeywell,

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Calibration procedure for water rotameters

0 Answers   HPCL,

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What is the minimum rating availalbe for weld neck orifice in market?

0 Answers   Jindal,

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Why we use 3-15 psi air for control valve input?

2 Answers  

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How to calibrate level transmitter with use of HART?

0 Answers   Samsung,

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What happens if the Displacer has fallen or has a hole in it?

1 Answers   CCIE,

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HOw To Use 24V DC in Instrument?

2 Answers  

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