Answer / amit

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.

control modes

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give some question relative instrument fitter?

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