There are many
DCI-4000 Series Operator Interfaces including COP-1000, DOC-1000, LOP-1000, LOC-1000, GWY-1000 and CEU-1000. The DCI-4000 operator interfaces are now in the Limited phase of their life cycle where they are not actively sold. They have been superseded by other operator interface offerings.
The most recent of these are the Conductor NT and Conductor UX products. ABB can provide cost effective migration solutions through conversion services and StepUp programs.