Answer / mahesh

Before start up a plant need to cheek instrument range, connection, parameter, soars. different cheeking only help of p&id.

Answer / raja2016

In addition to above ans w. r.t an instrument...

w.r.t to a system consists of PLC panel
Earthing should be done properly and proper earth resistance value...
Electronic earthing and body earthing..

UPS supply availability, all the cables.,
PLC-MCC
PLC- field
ensuring laid,terminated and loop checked okay...

PLC- SCADA PCs all Ethernet cables laid and terminated as per system architecture...

Answer / s93381

before the plant startup check all system instrument parameter that is Pre- commissioning.

Answer / faiyaz

before start up the plant we check all the instrument and parameter with the water in process line that is called pre commissioning

Answer / faiyaz

pre commissioning is the process of providing the ability of a pipe line and piping system to contain product without leaking

How to calibrate level transmitter with use of HART?

0 Answers   Samsung,

how can loop single 4-20 ma to two isolation amplifier? i mean i have two isolation amplifier with 4-20 ma input and 1-5 v output.can i done series connection ?

1 Answers  

what is cascade loop and how it work and why it used instead of PID single loop? In cascade, Which loop is faster and slower? Please explain with loop drawing and example...

2 Answers   Honeywell,

In VVVF DRIVES VOLTAGE IS ALSO VARY WITH THE FREQUENCY. HOW? WHAT IS THE DIRECT FORMULA RELATING THESE TWO.

0 Answers   India Cements,

what is difference between positioner and position transmitter in control valve

2 Answers  

Could you explain to me the enraf (servo gauge) mechanism. How it works ? and how it is working on archimedes theory while it's not immersed into the surface? and how can we calibrate it ? Thanx

1 Answers  

Any one can help me to identified, how can we interchange the device in FF

0 Answers   Ion Exchange,

Dear all, I'm manikandan I have done by DIPLOMA EEE from 2011 , I have 5 years of experience from Power plants instrumentation field , which one field is give long life & which one field is best ,I confused a lot And also I'm studying AMIE, can I choose which field from Section B examination?

1 Answers  

what is the advantage of submersible level transmitter compare to ultrasonic level transmitter?

0 Answers  

I have flow transmiter DP range is 0 to 5000mmwc,(convert) Display to be show in m3/Hr.

3 Answers   Orient,

how to use level tranasmitter in closed tank application.?

3 Answers   Dalkia,

What is the use of valve positioner?

1 Answers   CCIE,