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

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

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