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I know, it has been a matter of debate for long but I would like to get fresh views on the subject in view of the fast changing technology.
There have been claims and counter claims from various manufacturers that their control system is a DCS or PLC. I would like to use a neutral term like control system to avoid confusion.
My question is what are the attributes that make a PLC to classify as a DCS or vice versa? In the modern day scenario, the benchmarks have to be different from the old notions like the DCS is used for continuous process control (PID/ CLCS) and PLC for discrete logic control (OLCS) as today's PLC's and DCS' are very much capable of performing both the functions. So where is the border line?
Or is using a neutral term like Control System the answer to this debate....
Appreciate your views.
Thanks in advance,
Rajesh Mehta
There have been claims and counter claims from various manufacturers that their control system is a DCS or PLC. I would like to use a neutral term like control system to avoid confusion.
My question is what are the attributes that make a PLC to classify as a DCS or vice versa? In the modern day scenario, the benchmarks have to be different from the old notions like the DCS is used for continuous process control (PID/ CLCS) and PLC for discrete logic control (OLCS) as today's PLC's and DCS' are very much capable of performing both the functions. So where is the border line?
Or is using a neutral term like Control System the answer to this debate....
Appreciate your views.
Thanks in advance,
Rajesh Mehta