Answer Posted / mahesh kumar
Hunting Occur in theControl Valves due to inproper tuning
of PID loop, to remove thr hunting & for smooth operation
Tune the PID loop by adjusting the Gains
Is This Answer Correct ? | 17 Yes | 7 No |
Post New Answer View All Answers
PT RTD Range: -200 to 500 degree celsius If I configured in DCS Lower range and Upper range . In face plate it shows red colour due to overa range how was the characteristics look If the temperature is more than operating range. how was the characteristics look . whether its in Resistance vs Temperature curve is Linear or Non linear
Tell me the field calibration procedure step by step with diagram of pressure gauge, pressure switch, pressure transmitter, temperature switch, level switch, flow switch, flow transmitter.
How to calibrate Magnetic flow Transmitter in Field
what deference between panel earth and systemearth
In dcs panel we are using diff type of modules ?what is module ? what is the use of modules ?diff type of module?
We are using Rosemount 5400 series Radar Level Transmitters in all types of Sump Applications having oily water hdrocarbon petrochemical nature. What we are facing the problem frequently is that always getting reading frezzed at some value. If we do power recycling , sometimes it is working . then making same freezing problem. If anybody faced before such type of problem and also having solution , Please give the answer.
what is the advantage of submersible level transmitter compare to ultrasonic level transmitter?
what is the input to be given in digital flow meter during the the calibration time?
what is scale factor of proximitor & unit of the vibration.
sir, i preparing hpcl,ongc,barc,hal exams(instrumentation engg)pls send a placement papers
installation process of orifice,a question asked for confusion creation in interview by BARC 1.if orifice is tightly fitted with pipe ,it will act like venturi 2.if orifice is left hanging in between liquid it will not create the pressure difference exactly,
what is commisioning procedure,2)what is is the main work in commisioning in the field tx to dcs, plz send me detail
What is the basic difference between Modbus and CAN Open Protocols
What are different types of control valves?
how to control pid