Register now or log in to join your professional community.
DCS have much and more IO's than PLC and more accuracy .
DCS has advantages for process control system over PLCs.
DCS can handle Analog signal and can maintain there logs with the server redundancy. DCS is good for both propotional control or for derivative control.
There was limitations in PLCs but now a days plcs improved and add such kind of salient features as DCS have.