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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 6946plz give me the logic for how a pushbuttoon can be worked as atoggle switch i m working with allenbradely/micrologix1200/rslogix500
3 6656Why 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 33440An 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 5726Hi 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.
2189Can 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.
2012what is difference between total flow and flow rate in general ?? explain it with daily life example.
GNFC,
3 23049Post New Instrumentation Questions
Explain PID, ON/OFF, Controls
the output of the common trasmitter protocol in qatar gas are the following
HOW TO SOLVE PROBLEM WITH ENRAF LEVEL TRANSMITTER 854 ATG THAT PASSWARD DO NOT Exist INTO TRANSMITTER TO ADJUST LEVEL WITH PORTABLE PET 847, WRITTEN WRONG PASSWORD , I AM SURE THAT DEFAULT PASSWARD (W2=ENRAF2) IS THIS TRANSMITTER NEED TO REPLACE SOFTWARE AND HOW?
what are the values of fuel flow rate in various places in boiler.
In dcs panel we are using diff type of modules ?what is module ? what is the use of modules ?diff type of module?
tell me the field & lab calibration procedure step by step with diagram of pressure gauge, pressure switch, pressure transmitter, temperature switch, level switch, flow switch, flow transmitter, temperature transmitter, temperature indicator, flow indicator, level indicator, control valve, thermocouple, pressure indicator (digital & analogue),
defination of radial vibration?
How hart protocol can be connected with control valves?
What is the use of temprature compensation?
How would you choose differential range?
what about your moleg in pogrees with company
can anyone guide me how to get any of the previous year GAIL question papers? are they available? 0n 2nd august i have to take the written test.
Can any body help to get Rsemulator 5000 free from internet if possible then give me any link or any help .
What is the meaning of wet leg
how to calibrate and troubleshooting of leveltroll?
