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Which component of SCADA presents data to master station? DPA RTDB DTA DCA

Question

Which component of SCADA presents data to master station? DPA RTDB DTA DCA

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Solution

The component of SCADA (Supervisory Control and Data Acquisition) that presents data to the master station is the RTDB (Real-Time Database).

Here's a step-by-step explanation:

  1. SCADA systems are highly distributed systems used to control geographically dispersed assets, often scattered over thousands of square kilometers, where centralized data acquisition and control are critical to system operation.

  2. They are used in distribution systems such as water distribution and wastewater collection systems, oil and natural gas pipelines, electrical power grids, and railway transportation systems.

  3. A SCADA control center performs centralized monitoring and control for field sites over long-distance communications networks, including monitoring alarms and processing status data.

  4. Based on information received from remote stations, automated or operator-driven supervisory commands can be pushed to remote station control devices, which are often referred to as field devices. Field devices control local operations such as opening and closing valves and breakers, collecting data from sensor systems, and monitoring the local environment for alarm conditions.

  5. The RTDB (Real-Time Database) is a component of SCADA that collects data in real-time from the field devices. The data is then presented to the master station for monitoring and control purposes.

  6. Therefore, the RTDB is the component of SCADA that presents data to the master station.

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