V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

SCADA
       Supervisory Control And Data Acquisition


The Free On-line Dictionary of Computing (30 December 2018):

Supervisory Control and Data Acquisition
SCADA

    (SCADA) Systems are used in industry to monitor
   and control plant status and provide logging facilities.
   SCADA systems are highly configurable, and usually interface
   to the plant via PLCs.

   (1997-02-11)