Why we use 250 ohm resistor in series with HART protocol
communication?

Answers were Sorted based on User's Feedback



Why we use 250 ohm resistor in series with HART protocol communication?..

Answer / edward411

that's the minimum loop resistance needed to communicate
via hart protocol u exeed the value it will still work

Is This Answer Correct ?    2 Yes 5 No

Why we use 250 ohm resistor in series with HART protocol communication?..

Answer / kirti

for reduces current flow

Is This Answer Correct ?    13 Yes 97 No

Why we use 250 ohm resistor in series with HART protocol communication?..

Answer / satya

for thermocouple compansation

Is This Answer Correct ?    5 Yes 133 No

Post New Answer

More Instrumentation Interview Questions

If a differential pressure transmitter is calibrated for 0~2500 mmH2o and transmits a 4~20mA dc signal. The transmitter is placed across an orifice plate which is sized to create 2500 mmH2o differential at 5000m3/Hr a) what is the flow rate when the transmitter signal is 13.0mA DC? b) what is the signal output of the transmitter when flow rate is 2500 m3/Hr ?

5 Answers  


If P will increase then what will happen with PID?

1 Answers   Chettinad, Galfar, Mehran Sugar Mills,


what is interface level and how it is calibrate?

0 Answers  


Ple give me "INDUSTRIAL INSTRUMENTATION AND CONTROL S.k. Singh 3th edition" Solution manual to self-Check Quiz and chapter-wise PowerPoint Slides. Home web-site not available... Ple Ple Ple Ple Ple Ple Ple Ple Ple Ple Ple Ple Ple Ple Ple Thanks for all...

0 Answers  


where the use of direct action control valve?

2 Answers  






need to calculate flow rate with the help of dp range and orifice bore dia and size. range is 0 to 400 inwc and orifice size is 12 inch 150 # rf and bore dia is 7.180 inch. need to calculation for flow rate

0 Answers  


in which principle pressure tx,level tx ,flow tx,temp tx ,control valve works?

0 Answers   IOCL, JSW,


DCS marshilling Cabinet Power supply can be replace during plant running time?

1 Answers  


Why we are using thrust bearing at turbine side?

3 Answers   Edac,


hello sir/madam, I,Subramanian need 5yrs placement papers of officer trainee of Instrumentation technology.pls send to this mail id mani_nxtgen@yahoo.co.in please do the needful. with regards, subramanian.v

0 Answers  


Sir i am studying M.sc,(Tech.)Electronics and Instrumentation in Andhra university.What is the offers for me?

4 Answers  


How to O2 analyzer works?

1 Answers  


Categories
  • Civil Engineering Interview Questions Civil Engineering (5085)
  • Mechanical Engineering Interview Questions Mechanical Engineering (4451)
  • Electrical Engineering Interview Questions Electrical Engineering (16632)
  • Electronics Communications Interview Questions Electronics Communications (3918)
  • Chemical Engineering Interview Questions Chemical Engineering (1095)
  • Aeronautical Engineering Interview Questions Aeronautical Engineering (239)
  • Bio Engineering Interview Questions Bio Engineering (96)
  • Metallurgy Interview Questions Metallurgy (361)
  • Industrial Engineering Interview Questions Industrial Engineering (259)
  • Instrumentation Interview Questions Instrumentation (3014)
  • Automobile Engineering Interview Questions Automobile Engineering (332)
  • Mechatronics Engineering Interview Questions Mechatronics Engineering (97)
  • Marine Engineering Interview Questions Marine Engineering (124)
  • Power Plant Engineering Interview Questions Power Plant Engineering (172)
  • Textile Engineering Interview Questions Textile Engineering (575)
  • Production Engineering Interview Questions Production Engineering (25)
  • Satellite Systems Engineering Interview Questions Satellite Systems Engineering (106)
  • Engineering AllOther Interview Questions Engineering AllOther (1379)