please can anyone tell me in detail, what's mean by open
loop and close loop?
Answer Posted / senthil.doosan
example for open loop - u can only monitor the output of
the transmitter(pressure,flow,temp.level)
example for closed loop-u can monitor the output of the
transmitter (pressure,flow,temp.level) and u can control
the process by using these parameters feedback by final
control element.
| Is This Answer Correct ? | 16 Yes | 1 No |
Post New Answer View All Answers
which type of signal used in instrument?
Where Can i take a SPI INtools training in Mumbai? In Rolta India Ltd to whom I should approach regarding of SPI INtools Training?
What is the diffrence between ff tx and non ff tx
how do i tune dearator pr control valve using PID. we set the set point is 0.6kg/cm2 now i want 0.5 to 0.7kg/cm2 limits so what should i give p,i,d values. then pls explain how do set pid values for control valve tuning?
how to calibrate steam control valve in steam turbine
What is PDS and PDMS ?
Please send me the sample question of Instrumentation of hpcl/iocl exam. my mail id hihi_kiholo@rediffmail.com
Boolean algebra
Why grounding is necessary? Give example with diagram.
how to work static pressure sensore how to work dpt
detail of mass flow meter pricipal
Explain the key components of control loop?
Manipulation of dead wt. tester double piston type.
Hook up resistance decade box to temp.transmitter.
What is cut off relay? And why use in PLC and DCS?