what is the diffrene between DCS System and PLC System
Answers were Sorted based on User's Feedback
Answer / sumith
The main difference is that
the PLC has one processor(it has limitations for memory
space) and it can used to control one plant or 2 small plants.
The DCS has many processors and it can be used for control
many plants at one time.
Is This Answer Correct ? | 11 Yes | 0 No |
Answer / sandip patel
plc has central controller where as dcs has dictributed control.
scanning time of the dcs is more than plc.
Is This Answer Correct ? | 3 Yes | 1 No |
Answer / karikhul
plc is centralized controller while dcs distributive.plc has 1 processor card n dcs has 2 processor cards if one fails means v can copy d content frm one 2 another jst lyk master n slave. so it wont disturb d plant also.
Is This Answer Correct ? | 1 Yes | 0 No |
Answer / shinde k v
plc means programmable logic control which has fixed
program .dcs means distributed control system which
distribute functionally and physically.
Is This Answer Correct ? | 2 Yes | 2 No |
Answer / goutam
The main difference is that PLC needs an external SCADA s/w for process visualization bt in DCS scada is inbuilt.
Is This Answer Correct ? | 0 Yes | 0 No |
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