Interested to Buy Any Domain ? << Click Here >> for more details...
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
- 15312 Views
- Honeywell, I also Faced
- E-Mail Answers
Answer Posted / mithilesh kumar
cascade loop is the combination of two pid control.
where 1st controller output ie mv is the input of 2nd
controller.
1st contrroler more fater than second controoler.
it's used in boiler three element.
it's control feed water flow,drum level and steam flow.
drawing is not possible here.
but i am trying.
controller checked steam flow as well as drum level then it
gived command to control valve as per requirement.
| Is This Answer Correct ? | 6 Yes | 9 No |
Post New Answer View All Answers
What is rang ability?
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
what is the input of digital counter during the the calibration time?
Explain about safety integrated level protection? . How it was differ from other protections ?
Hi Friends i am going to write BARC written test by this month 20th (20-5-2008). So please if any body knows the details about this or having previous question papers pls mail me to kkumarei@gmail.com. For Suggestions give one message to 9962122264
Why trim span ? How?
How many ohms are required for proper earthing?
In turbine what does term CDP, NI, NH, HSSOC means.
Difference between ultra sonic flow meter
why micro controller 8051/52's clock frequency is internally divide by 12 ?? and why it is further divide by 32 in UART serial communication ??
If we increase only P what will be controller action ?
What are primary elements of measuring pressure?
sir ,iam in dem urgent need of HPCL Paper of Instrumentation Branch plz send me at your earliest convenience at ujjwal_sharma1983@yahoo.com
send me model hpcl questions pleas..........my mail id mohideen.dharvesh@gmail.com
if in a level tx height is given, how u calculate the ranges of the tx?
