Distributed Control System
A whole family of terms denote the accessing of measuring devices, automated analysis, human understandable display and interactive control, and the control of actuators, such as: Industrial Automation and Control Systems, Industrial Control Systems, Process Control Systems, Supervisory Control and Data Acquisition, and Distributed Control Systems.
Other International Definitions
International Society of Automation (ISA)
In a control system, refers to control achieved by intelligence that is distributed about the process to be controlled, rather than by a centrally located single unit. .