Interested to Buy Any Domain ? << Click Here >> for more details...
Answer Posted / scheau vlad
The positive feedback is when in control room, at console,
operator recive correct all signals from field durring loop
check.
The negative feedback is when he don`t recive some of the
signals, for example testing one control valve with limit
switch, he dont see in the console the indication of the
limit switch.
I hope is usefull answer :)
| Is This Answer Correct ? | 6 Yes | 15 No |
Post New Answer View All Answers
How r the calculation of process line mpm.
what are the diff. in servo and regulatory control?
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
diff between neutral ,ground,phase , earthing and shielding?
in which principle pressure tx,level tx ,flow tx,temp tx ,control valve works?
Draw symbols of the following :
Dear Friends, we are planning to design Power distribution and Fiber optic in the same cabinet.Like Front side Fiber optic and Rear side Power distribution.Is it any possibility of problem occurs like interference etc? Your answer is highly appreciate.
Define the difference between a stable versus an unstable controlled system and some of the tools you might use to be able to detect when this is happening and assumptions used for control system application design that could contribute to instability
Emergency Shutdown Systems/ Plant Shutdown System.
What is three element drum level control system why its better than single element?
Capacitance, resistance ( colour coding ), parallel & series circuits.
What is the use of temprature compensation?
what does the ratio 800-400-300-200/1-1-1-1-1 in the specification of current transformer indicates?
Actual using of tube bender to bend 2 opposite 90 deg at correct measurement center to center of tubing.
