1.what is the role of proportional comtroller in pid
controller?2.How do u calibrate the control valve?
Answer Posted / prashant
proportional function is take place an action to maintain
the pv proportionaly to error in p.v . but an offset error
is sustained , that will be reduced by integral funtional.
calbration of control valve :::
1. check the pneumatic pressure of regulator
2. give the 4-20 ma to check the strock of c/v
3. if storck is not achieving then adjusted by zero
& span adjustement
| Is This Answer Correct ? | 9 Yes | 4 No |
Post New Answer View All Answers
Sir, I am working as a Instrument Engineer in Grasim Industries. Can any body provide question answer for interview purpose
hi! i want to know about mpse exam.
DEAR SIR/MADAM MY NAME IS ARKAPROVA BHATTACHARYYA.I AM A FRESHER INSTRUMENTATION ENGINEER.CAN YOU PLEASE SEND SOME QUESTION PAPERS OF GRADUATE ENGINEER TRAINEE EXAM OF DVC(DAMODAR VALLY CORPORATION).MY EMAIL IDs ARE arka_aec@rediffmail.com.
Yokogawa CENTUMVP R6.09 unable to download to Engineering Station with ExaOPC R3.75
The issue is when I try to download the common project section to the Engineering Station (STN) from the HIS in System View, it is unable to connect. The error displayed is:
WARNING: Could not connect to equalize destination. (7001)
Retrying. Number of retries = 0/1
ERROR: LdXopsLoadMain: connect error 10060
ERROR: Processing terminated due to connection error. (7002)
Equalization end with errors. STN0149
---- ERROR = 2 WARNING = 1 ----
Background:
>Updated the ExaOPC software on the STN from 3.60 to 3.75
>STN operating system is Windows Server 2008 R2
>HIS operating system is Windows Server 2016 Stanard
Solutions attempted include:
>Ensuring all IP addresses are correct and all networked devices can be pinged.
>The ability to ping a device using its host name from another device (
What is Alpha & Beta fctors related to Orifice Plate & its relation with flow?
please send me the inteview questions in IOCL
How can i copy program (parameter) from mm440 (V.F.D.) by using BOP?
any questions on motor and energy conversions machines?
we have a s-5 simense plc having op7 .recently on op7 showing error 1.plc not present 2. DB error frequently. can u have any solution . please send me.
what is piezoelectric transducer?give an example in power plant n state its principle?
Any one can help me to identified, how can we interchange the device in FF
Explain pH, Conductivity.
I want to know the questions asked in ONGC interview(after being selected in the written exam) for Instrumentation branch.Kindly help.
Give Detail information about plc,dcs,and scada system?
How to erection of DCS Panel at site step by step