Interested to Buy Any Domain ? << Click Here >> for more details...
What is open loop checking and close loop checking
- 1 Answers
- 4742 Views
- BARC, NTPC, I also Faced
- E-Mail Answers
Answer Posted / iyyappan.m
Open loop is a only one transmitter here is no control of valve or anything.
Closed loop is a Pid loop ,transmitter control the control valvewith operator desired setpoint.
| Is This Answer Correct ? | 19 Yes | 4 No |
Post New Answer View All Answers
please can any one tell me clearly about pid tuning i am confusing about this .how to tune pid easly?
hello can yoy pls send me previous papers of jindalpower and steel ltd.....'m from instrumentation..... mani1048@gmail.com
How the sizing of the analog signal cable is calculate?
How to Calibrate Ultrasonic flow Transmitter in Field
how do calibrate the valves.. with clear manual
how to calculate range of level transmitter?
kindly sent some demo question and answer
WHY THE DEGREE OF VALVE PLUG AND VALVE SEAT IS SLIGTLY DIFFERENT I CONTROL VALVE TRIM DESIGN
We Have Two Field bus Pressure Transmitters of Different Sensor Range (I.E One is of Lower range and Another is of Higher Range).Is same Process Line. My Question is Can i provide Saturation Limit to my field Bus Transmitter as We can provide Saturation current limit to HART Instruments. As During Low Pressure Both Working OK ,But During High Pressure, transmitter with Lower sensor range Goes to Fault mode as Beyond its Sensor Limit it can Measure, So may I provide Saturation point Some where to Suppress This Fault during High Pressure.
What happen if I install my pressure transmitter below the elevation of pipe in natural gas service?
what should he know if he is an assitent engineer instrumentation in cement industries of experience of 10 - 15 year.
hello friends, can you please send me the model paper or question paper to be prepared for hpcl examinations????????? You can mail me at rahim_here@yahoo.com waiting for your reply........... help me .. plz.....
Why boiler chimney area oxyden sensor fixing?
If a warning lamp will operate with the ground circuit is bypassed with a jumper wire to ground, what should you check?
Explain why plc require in analog input 4-20amp & 0-10 volt?
