ALLInterview.com :: Home Page            
 Advertise your Business Here     
Browse  |   Placement Papers  |   Company  |   Code Snippets  |   Certifications  |   Visa Questions
Post Question  |   Post Answer  |   My Panel  |   Search  |   Articles  |   Topics  |   ERRORS new
   Refer this Site  Refer This Site to Your Friends  Site Map  Bookmark this Site  Set it as your HomePage  Contact Us     Login  |  Sign Up                      
Google
   
 
Categories >> Engineering >> Instrumentation
 
 


 

 
 Civil Engineering interview questions  Civil Engineering Interview Questions (3070)
 Mechanical Engineering interview questions  Mechanical Engineering Interview Questions (3286)
 Electrical Engineering interview questions  Electrical Engineering Interview Questions (13320)
 Electronics Communications interview questions  Electronics Communications Interview Questions (2362)
 Chemical Engineering interview questions  Chemical Engineering Interview Questions (414)
 Aeronautical Engineering interview questions  Aeronautical Engineering Interview Questions (77)
 Bio Engineering interview questions  Bio Engineering Interview Questions (17)
 Metallurgy interview questions  Metallurgy Interview Questions (79)
 Industrial Engineering interview questions  Industrial Engineering Interview Questions (163)
 Instrumentation interview questions  Instrumentation Interview Questions (2374)
 Automobile Engineering interview questions  Automobile Engineering Interview Questions (106)
 Mechatronics Engineering interview questions  Mechatronics Engineering Interview Questions (38)
 Marine Engineering interview questions  Marine Engineering Interview Questions (43)
 Power Plant Engineering interview questions  Power Plant Engineering Interview Questions (75)
 Engineering AllOther interview questions  Engineering AllOther Interview Questions (1195)
Question
what is difference between modbus & fieldbus
 Question Submitted By :: Instrumentation
I also faced this Question!!     Answer Posted By  
 
Answer
# 1
Modbus is a Modicon bus it doesnt require dedicated
interface card as it required for fieldbus(Profibus) Modbus
can communicate from serial printer port via RS-485 n RS-
232 while Fieldbus can communicate from RS-485 ONLY.
 
Is This Answer Correct ?    44 Yes 14 No
Hemant Bhati
 

 
 
 
Other Instrumentation Interview Questions
 
  Question Asked @ Answers
 
wht is snap action switch?where it is used?is there any diff between snap action switch and normal pressure switch? ONGC 1
What is possitive and negative feedback? KNPC 3
In your own words, would you expect an ultrasonic level device to work better in a pressure vessel with a high pressure or a strong vacuum, and why?   1
The document / drawing that is primarily used in depicting the “Bill of Materials (BOM)” of piping system is the   2
If we interchange HP and LP tapping in drum level measurement and reverse LRV & URV correspondingly.What is the difference between the normal tapping(HP,LP) and reversed tapping(LP,HP)?   2
please anyone suggest me some good intools training institutes with their place and contact nos. ABB 1
how is a displacer type level transmitter calibrated.explain the method? Emirates 2
How to measure high frequency using thermistor DRDO 1
Why do we need to install hook-up line differential pressure type level transmitter when the differential pressure type level transmitter with capillary are available?   2
how ranges is decided for drum level or dearator level,in my pplant i have seen for boiler drum range is -1000 to 1000mmwc, while for dearator -2000 to 0 mmwc ,why they decided to take this range ?   2
Y to use 4 to 20ma instead of 0-10v   5
What is difference between flame retardant & flame resistance cable? Among which type of cable is used for ESD & Fire and Gas system application?   1
 
For more Instrumentation Interview Questions Click Here 
 
 
 
 
 


   
Copyright Policy  |  Terms of Service  |  Articles  |  Site Map  |  RSS Site Map  |  Contact Us
   
Copyright © 2013  ALLInterview.com.  All Rights Reserved.

ALLInterview.com   ::  KalAajKal.com