Interview Question : Honeywell DCS Engineer


#1

Highway Gateway:
It is used to interface data highway network with LCN(Local Control Network).The data highway boxes includes BC (Basic Controller),MC (Multifunction Controller), AMC (Advanced Multifunction Controller) etc

NIM:
It means Network Interface Module.It is used to interface UCN (Universal Control Network) network with LCN(Local Control Network).The UCN nodes includes LM(Logic Manager),PM(Process Manager), HPM(High-Performance Process Manager),FSC(fail Safe Controller) etc…

LCN:
It means Local Control Network.It is a broadcast type of Local control network.Types of LCN nodes:
Universal Station / GUS
History Module
Application Module / APP / PHD
Network Interface Module
Computer Gateway
Network Gateway
Hiway Gateway / EPLCG
UCN:Universal Control Network

Nework Gateway:
It is used to connect two different LCN Networks.