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 |
wat are the interview questions asked in air india for post service engineer
1 Answers AirIndia, Shree Renuka Sugars,
why are set -10vdc in bently neveda vibration system.
why we use 4-20 mA for calibration of the instruments.why we cant use 0-20 mA?
Possible cause of IOP alarm in a DP transmitter: a: IOP-minimum b: IOP-Maximum
What is Modbus communication
How to check the SCAN time of DCS ,n dont give therotical answers .How to check the SCAN time of DCS during FAT?
How earthing can be checked????
1.In which princeple DP transmeter works? 2.Why UPS system is use for DCS? 3.How drum lvel controller works? 4.What is the difference between glob valve and gate valve? 5.How axial shift probe work & in which princeple it works?
1 Answers Luberef, Qatar Gas, Reliance,
If i want use the 6 kg/cm2 pressure gauge then how to calculate its pressure gauge range?
Basically iam Instruemntation Engineer, but Iam interested in Instruments design engineering, so plz guide, is there any course, training or Softwres to become Instrument design engineer??.
0 Answers Honeywell, Tata Steel Limited,
what is the difference between active and passive loop ?
how can we measure the level measurement with the help of pressure gauge?