Interested to Buy Any Domain ? << Click Here >> for more details...
What is loop checking ?
- 10 Answers
- 113523 Views
- Kharafi National, Petrofac, Samsung, I also Faced
- E-Mail Answers
Answer Posted / scheau vlad
Loop check activity is checking entire loop functionality, from field to DCS or Esd or plc or any logical system. It is necesary to check not only continuity of signal, but also range of calibration, alarms, set points and any signal included in the loop folder. For DCS will be tested with hart comunicator or temperature generator, 4-20mA, depends of witch instrument is involved. For Esd (emergency shut down system) loop check will be done with proper instrumentation tools to produce the specific presure or requaired level... For valves you must check all signals as open, close, hi and low limit switch, reset buttons, hand switches , feedback must be check and a lot of other things must be checked .. Loops are direct, revers, split range .. it is not easy and it is not only the continuity check to do.
| Is This Answer Correct ? | 84 Yes | 7 No |
Post New Answer View All Answers
State four different types of flow measurement, for gas flow measurement MMSCFD is the common unit expand the unit and specify significance of word S in the unit.
How to calibrate Toxic gas detector?
I want measure the volumetric flow of gas in waste heat recovery Boiler?Tell me how and which type of instruments required. Plz mail me:naba02222@gmail.com Sam please post the answer .
Punj lloyd is coming in our Jadavpur Universtiy campus for campus placement. Please send me some hints about the writtend exam. My email id is subratafriends@gmail.com
Calibration procedure for Electro magnetic Flow meter
How hart protocol can be connected with control valves?
What is the calibration procedure of Drum level transmitter if range is 0 to -400 mmh2o in lab?
why we are using magnet for calibration of gas detector?
What is the formula of vabration sesore. i mean how to covert mils to volt plz share if any body knows very argent : my mai is merajalam143545@yahoo.com
Describe the typical instrumentation used in monitoring the performance of a shell and tube heat exchanger.
Make a ladder diagram on LSL valve will close, on PSL valve will open and start the motor
this site is owned by an nonsense
May I have a brief note above the voltage barriers? Whats is the purpose? Please mail me if you've operational details, mail id: rajkumar.diice@gmail.com
What is Droop? What is Step/Gradient Limiter in Turbine Governor control?
Q- Control problem are mainly classified in _____ types. a-)4 b-)3 c-)6 d-)nono of these Few of them i know is 1- regulator type problem (eg- Air conditioner) 2- tracking problem (eg missile trcking problem) 3- sybernatics 4- optimal control problem
