WHAT IS THE Differance b/w on/off & pid control valve?
Answer Posted / surendra gupta
on/off controller are simple type controller, they simply
on or off the o/p. where as pid controller, two additional
functions are added that are integral and derivatives.
2) on/off controller are not used for the closed ckt where
as pid controller are used for closed ckt.
| Is This Answer Correct ? | 19 Yes | 4 No |
Post New Answer View All Answers
which type of zones used for boiler? & why ?
how do i tune dearator pr control valve using PID. we set the set point is 0.6kg/cm2 now i want 0.5 to 0.7kg/cm2 limits so what should i give p,i,d values. then pls explain how do set pid values for control valve tuning?
what is the PC interface and software for connection to ABB logic module “ LM011-CE18RAC “ ( for Programming ) ??
How oil line flow measured?eplain about instruments used and working principle?
can you provide me full detail about instrumentation in ONGC??
i am having information technology branh ....... can i prepare for psu exam
What is difference between radial vibration and axial vibration explain in detail .
how to calibrate mass flow meter (Coriolis)? Example calibration range: 0 to 2500 kg/hr line size 3" fluid: Etheline glycol (MEG)
How many are the types of instrument cables in terms of No. of pair.
How to Calibrate Flammable gas detector in field
can you send remote seal interface level transmitter calculation steps for oil water saperator.
The company where I am working, their is rosemount 5400 series radar type level transmitter, it is meant to show level of filled tank, but along with the level it is showing temperature also, so my question is how a onon-contact type radar type level transmitter can show temperature even if it does not have any contact with the fluid?
Can anybody please let me know Orifice plate sizing calculation formula and step by step procedure
What is instrumentation technologists and mechanics?
Somebody tell me in what way i need to prepare for csio pgrpe(adv instrum eng)interview?what all the quest can i expect?