when we are using HART COMMUNICATOR why we are using 250 ohm
resistance while using HART COMMUNICATOR.
Answer Posted / md. afroz alam
To increase the loop of Resistance we use 250 ohms Resistance with smart transmitter in bench or lab calibration
| Is This Answer Correct ? | 0 Yes | 4 No |
Post New Answer View All Answers
Why grounding is necessary? Give example with diagram.
i am preparing for BARC ,so plz mail me how to prepare for BARC. ALSO IF POSIBLE SOME RELATED QUESTIONS. MY MAIL ID IS khushi_4uall2003@yahoo.co.in
why any measurement made interms of pressure is more accurate ? to be more precise most of the flow velocity is made interms of pressure and it is accurate. what is the reason behind pressure measurement being accurate ?
I have got a call of IOCL interview for projects having 2yrs experience. What sort of questions should I expect in the interview?
I faced several time siemens ps2 positioner automatically getting Chang in it's set point direction after auto calibration So is there any causes biside this or any permissives ?
how can use ram
Why plc require in analog input 4-20amp & 0-10 volt?
Why even multiple power supplu r used in instrumentation system?
What is loop1 and loop2 in MTS LT?
Define cryogenic?
If a control valve is hunting means means if we are giving 50% to the cv, the cv will open at 51% then slowly slwoly it will reaches 49% , so what to do for solve this problem. The cv is double acting and mounted for anti surge operation, it having 4 nos. volume booster, one sov, one positioner, etc..?
what is the field bus calble ? what are diffrences in orang colur cable and black coular calble ?
control panel design guidelines
How to fix back the valve actuator stem
pls provide me syllabus and old question paper of instrumentation engineering for GET(JSPL)