Before revision: Supervisory control and data acquisition A supervisory control and data acquisition system (SCADA) transmits and receives logic or data from events of controls, metering, measuring, safety and monitoring of process devices such as Electrical equipment, Instrumentation devices, telecommunication on industrial applications .
After revision: Supervisory control and data acquisition A supervisory control and data acquisition system (SCADA) transmits and receives commands or data from process instruments and equipment .