what is the diffrence between LCN and UCN
Answers were Sorted based on User's Feedback
Answer / waqas
LCN: Local Control Network is the Network Were number of UCN
(Universal Control Network)are Connected
UCN: Universal Control Network Were the Single DCS,PLC,FSC
etc..are Connected
These number of UCN's with DCS,PLC,FSC etc.are then
Connected to LCN and through LCN to all Server.
by waqas niazi to faran ashraf
| Is This Answer Correct ? | 10 Yes | 1 No |
Answer / anugrah nagar
LCN:It is called as Local control network.it is based on
Token passing Technology.Its speed is 5MBPS.LCN is used for
connect the system Network like PC,server with the help of
MAU assembly or etc.
UCN:-It is called as Universal control network.it is based
on Token passing Technology.Its speed is 5MBPS.UCN is used
for connect the Process Network like DCS,PlC Controller etc
with the help of UCN TAP assembly with the help of RG-6
coaxial cable(Drop Cable) or RG-11 coaxial cable(Trunk
Cable).RG-56 cable is used to connect NIM TO ucn CONTROL
NETWORK
| Is This Answer Correct ? | 4 Yes | 1 No |
can you provide me full detail about instrumentation in ONGC??
plz tell me clearly about PID.."when v have to change I value,D value,GAIN??
Describe the typical instrumentation used in monitoring the performance of a shell and tube heat exchanger.
how to measure low temperature(<100 dec celsisus) with non condact sensor
any body who gone thru recent iocl interview.INSTRUMENTATION questions. I need.
can we connect instrument earth pit to electrical earth pit, if not why?
what is cavitation ?
how pressure transmitter work, what is its principal to measure and how its generate signal. for pressure transmitterinstallation which precautions must be taken ??
suppose, after calibrating a transmitter we fixed it in a process line. At live zero condition the Tx shows 4.5 mA. what should we do to make the Tx show 4 mA? If we adjust zero, will it not affect the calibration?
please send the drdo exam paper
what are the steps to follow force a particular input or out put from ics triplex esd system?
what is absolute pressure, gauge pressure and atmospheric pressure?
Civil Engineering (5086)
Mechanical Engineering (4456)
Electrical Engineering (16639)
Electronics Communications (3918)
Chemical Engineering (1095)
Aeronautical Engineering (239)
Bio Engineering (96)
Metallurgy (361)
Industrial Engineering (259)
Instrumentation (3014)
Automobile Engineering (332)
Mechatronics Engineering (97)
Marine Engineering (124)
Power Plant Engineering (172)
Textile Engineering (575)
Production Engineering (25)
Satellite Systems Engineering (106)
Engineering AllOther (1379)