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Question 
difference between DCS @ SCADA system?
and how can use in field
 Question Submitted By :: Adil Khan
I also faced this Question!!     Rank Answer Posted By  
 
  Re: difference between DCS @ SCADA system? and how can use in field
Answer
# 1		 DCS-ITS A CONTROLLER IT HAS PROCESSORS AND MODULE LIKE ANALOG
I/O,DIGITAL I/O,RTD,T/C,VALVE POSITION MODULE ETC
WE CAN CONTROL AND MONITER THE PROCESS.
SCADA- IT ONLY A USED TO MONITOR THE PROCESS &WE CAN CREATE
THE GRAPHICS OF PROCESS SOMETHING.ITS NOT USED ALONE.IT JUST
CONNECTED WITH PLC ETC.
DCS IT SELF CONTAINS SCADA SOFTWARE 
Is This Answer Correct ?    7 Yes 0 No
Deepan.p
 
  Re: difference between DCS @ SCADA system? and how can use in field
Answer
# 2		 THERE IS MAINLY TWO DIFFERENT BEETWIN dcs & scada SYSTEM
1) DCS system it self whole control system & SCADA system required plc for controlling.

2)dcs SYSTEM scan time is nearly 1sec & SCADA with PLC system scan time is in millisecond(depends on program).

3)DCS having Large I/O capacity with respect to SCADA with PLC system. 
Is This Answer Correct ?    5 Yes 1 No
Jigneshsolanki
[Occl]
 
 
 
  Re: difference between DCS @ SCADA system? and how can use in field
Answer
# 3		 dcs is a system through which u can connect more than one system to control like HMI, PLC, PDI . scada is a supervisory software through which you can make same to same copy (graphics) of your process plant 
Is This Answer Correct ?    2 Yes 0 No
Shailesh Kumar Chauhan
 
  Re: difference between DCS @ SCADA system? and how can use in field
Answer
# 4		 DCS IS DONE TO AUTOMATE A PLANT. IT IS DONE WITH THE HELP OF
PLC'S AND SCADA.SCADA IS THE SYSTEM THAT PROVIDE THE
MONITORING AND CAN PERFORM ONLY PROCESS OUTPUT CONTROL.HENCE
IT IS A SUPERVISORY CONTROL. 
Is This Answer Correct ?    0 Yes 0 No
Cubes
[BPCL]