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Answer Posted / muhammad nisar
1.No of I/O,S
2.Nature of process application i-e critical or non-critial
3.HMI form one or more Control Rooms
4.HOT SWAP(removing I/O Cards during plant Running)need or
not.
5.Plant Future extension required or not.
6.Logical synchronous or Non synchronous system require
7.Progamming Fexibility level requirements
8.Single Control process required or Distributed
9.Permanent installation or for short time
10.Expensive solution or non-expensive
and many more factors can easily diffrentiate it.
MUHAMMAD NISAR (I/C PROJECT MANAGER)
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