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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 7069plz give me the logic for how a pushbuttoon can be worked as atoggle switch i m working with allenbradely/micrologix1200/rslogix500
3 6820Why 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 33958An 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 5830Hi 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.
2241Can 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.
2070what is difference between total flow and flow rate in general ?? explain it with daily life example.
GNFC,
3 23302Post New Instrumentation Questions
Hi Friends , i need one urgent help , i am preparing for M.tech entrance examination , i need some obejective questions related to instrumentation field. where can i get those ? can anyone help me pls ?
What are the types of valves?
What is standard procedure of manual mapping in Radar type level transmitter?
centrifugal compressor interlock? Tell me the parameter at which compressor will trip
TEMPERATURE VARIATION FOR FREQUENTLY.
Specify for Cables - Flame Retardant and Fire Resistant?
which type inter lock use in petrochemical refinery,and oil & gas?
Can Any body tell me how to check Modbus Settings in ER300N L&T trivector meter?
please tell no. & add. of consultancy who recruit me in power plant as instrumen engg. present i m working in power plant as ass.t instrument engg. thanku mahesh 09226562826
typical loop drawing of a simple feedback control comprising of one transmitter and one control
HI friends.I am Surya a BTech in Electronics and Instrumentation Engineering.I am going to appear Relince Industries Ltd all India writen test very soon. so plz help me by sendind the probable questions about my subject.My mail ID is surya.barik@gmail.com.
what is gas metering system? gas chromatograph? and gas compressors?
Where are oxygen analysers installed in cfbc boilers? What are their usual readings?
Conversions
Instrumentation Safe Guarding test. How to determine the interval time of the test. eg:Halfyearly,Every year,Every three years etc.
