In Boiler Drum Level- Level control valve how can it tuning (PID)?

2 Answers  

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why do 4 mA serves as 0% not 0 mA?

10 Answers  

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pls suggest suitable MOC of diaphragm for pressure measurement of UREA grade solution service fluid.

0 Answers   Siemens,

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What is the purpose of LO overhead tank in turbines.

1 Answers   ADMA OPCO,

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Dear All can any one told me that VFD Make ABB Model ACS800-01 used for dual Source like 1.DC Source applied at terminal UDC+,UDC- 2. 3 phase 400AC,50Hz

1 Answers  

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i have height of stem drum level 1000mm.how i calculate the DP transmitter

2 Answers  

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what is the function of 3 way manifold valve in a closed loop system?

1 Answers   Emerson,

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How much voltage we get between two wire of 4 to 20 ma output? Is this voltage up or down respectvice to 4 - 20 ma ?

9 Answers  

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How to define the size of control valve?

5 Answers  

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Anybody know how to create a ladder programme for power switch in TV remote without using counter... ie TV can be turn on and turn off using single push button switch... on pressing the switch first time TV turn on and hold the on state till i press the switch again, and after TV turn off.

2 Answers  

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why we set -10 volt in vibration sensor output,why not +10 volt

3 Answers   GE, Honeywell, LLM,

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when an eddy current probe is installed inside of a turbine or compressor in case of probe problem same as:crash of head of probe,changing the scale factor because of low measuring gap(physical gap is ok(example=1.14mm)but voltage is reduced(example=-6 volts),is any way to check the probe,when the ohm of probe is ok.thank you,(Karim Tavakoli)

1 Answers  

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