What is open loop checking and close loop checking
- 1 Answers
- 4058 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
Draw a group of instruments interlocked to a Pump & Motor?
we are having yokogawa centum cs3000 dcs in our power plant. i need some of the operator guides NOT to appear in HIS0163 AND HIS 0162 but it shoul appear in HIS0164 HOW TO DO IT?
full process of gas turbin?
How to calibrate an pressure gauge with yantrika test bench?
flow transmitter formula?
few questions on RS 232,1 question on relationship of impedance and turns ratio, many questions on flowmeters
describe flow nozzel principle?
Can combine control system for Emergency control system (ESD)and Fire & Gas System ( F & G) is possble to built and offer to client? Can such system is as per Norms in India?
how to rectify the poor signal strength in utrasonic digtial flow meter ,model:ge digital xce868i
Explain why plc require in analog input 4-20amp & 0-10 volt?
How it the difference between force balance system and dispalacement balance system?
what step is taken for ESD ( emergency shut down) in DCS REPLY to hashimka20009@gmail.com
Senior engineer's please help me, what is Loop Checking and Loop test? and write difference also? soon urgent
How hart protocol can be connected with control valves?
How you calibrate absolute pressure with the calibration range of 0 to 1000 0C Absolute. Please explain the procedure for calibration.
