Differentiate between PLCs and DCS.

Sharad Jaiswal
Sharad Jaiswal

Posted On: Feb 22, 2018

 

Here are a few considerable differences between the two:
  • PLCs were invented much earlier than DCS.
  • PLCs are used for electrochemical processors while DCS are used for Pneumatic/Single Loop Controls.
  • PLCs have generally fixed scan time while the scan time for DCS is adjustable.
  • PLCs are used for discrete controls and DCS are used for regulatory controls.

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