SCADA Operator Interface

SCADA functionality
Data acquisition and display
store binary & analog data into process data base
Alarm & Events
record important changes and operator actions
History data base
keep a record of the process values
Measurand processing
calculate derived values (limit supervision, trending)
Logging & reporting
Human Machine Interface (HMI):
graphical object state presentation, lists, reports
Operator Command handling
binary commands, set points
recipes, batches, scripts (command procedures)
Interfacing to planning & analysis functions: CMMS,

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