Control And Supervisory System
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FEATURE SYSTEM
- Data acquisition is a foundation of SCADA systems; sensors collect data and deliver it to field controllers, which, in turn, feed data to the SCADA computers.
- Remote control is achieved through the control of field actuators, based on the data acquired from field sensors.
- Networked data communication enables all SCADA functions. Data collected from sensors must be transmitted to SCADA field controllers, which, in turn, communicate with the SCADA supervisory computers; remote control commands are transmitted back to actuators from the SCADA supervisory computers.
- Data presentation is achieved through HMIs, which represent current and historical data to the operators running the SCADA system.
- Real-time and historical data are both important parts of the SCADA system, as they enable users to track current performance against historical trends.
- Alarms alert SCADA operators to potentially significant conditions in the system. Alerts can be configured to notify operators when processes are blocked, when systems are failing, or when other aspects of SCADA processes need to be stopped, started or adjusted.
- Reporting on SCADA system operations can include reports on system status, process performance and reports customized to specific uses.