How to make position transmitter feedback reverse i.e at valve close i want 20ma output and at full open 4ma.for the NELES positioner,model:ND8261/TS1.
3 5637plz give me the logic for how a pushbuttoon can be worked as atoggle switch i m working with allenbradely/micrologix1200/rslogix500
3 5451Why we use 4 to 20 mA, (This is International Standard) instaed of this can we use 4-16, or 4-24 or 3- 15 or any other range
ONGC,
13 29840An electronic p controller has an input range of 1-5v, and output range of 4-20mA, while testing a step change of 0.4 was applied at the input , the PB setting was 50% ,what should be the change in the output ?
1 4830Hi buddies! my name is sachin and i am working as a electrical and instrumentation engineer in a paper plant. right now i am facing a problem and if someone could help me it will be an immense pleasure to me. i am using AC 800M to synchronise DCS500 drives on paper machine and rewinder.communication is on PROFIBUS and we are using NPBA-01 module to link profibus to DC drives.But these days two of these drives are showing a error named FIELDBUS COMM.TIMED OUT and the drives get tripped.I have changed the NPBA module and PROFIBUS cable.So if anyone can do please help me out with this problem.I'll be highly grateful.
1696Can anybody tell me which type of question are asked in the interview for the FORMULATION(Pharma) as a instrumentation engineer, & question in building managment system.
1587what is difference between total flow and flow rate in general ?? explain it with daily life example.
GNFC,
3 21270Post New Instrumentation Questions
In bently nevada vibration monitoring system,what is the reason to maintain the Resistance of the probe + extension cable equal to 95 ohm? If possible explain the basic principle of measurement with detail electronic circuits.
What should be the main consideration while starting the Rotating compressor when we dont know the cut in and the cut off pressure setting of the pressure switch
Explain PID, ON/OFF, Controls
What is 1:1 redundancy ?
What is megering????
What is the difference bitween control net scaner and device net scaner
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 ?
explain key exchanges in all security modes WPA,WPA2,TLS?
How to convert milliampares into flow??
TEMPERATURE VARIATION FOR FREQUENTLY.
what is the calibration procedure for magnetic flow meter @ onsite
what are the documents(Construction point of view for a process plant) submitted by contactor initially entering in to new site for client?
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
I have got a call of IOCL interview for projects having 2yrs experience. What sort of questions should I expect in the interview?
What types of Instrumentation Related Questions can an Interviewer ask in a Telephonic Interview ?
