Advantages and disadvantages of Internet SCADA or Web SCADA

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ADVANTAGES AND DISADVANTAGES OF INTERNET and WEB-BASED SCADA

Advantages of INTERNET & WEB-BASED SCADA

• Wide area connectivity
• Routable
• Parallel Polling
• Redundancy and Hot Standby
• Large addressing range
• Integration of IT to Automation and Monitoring Networks
• Standardization

Disadvantages of INTERNET & WEB-BASED SCADA

• IP Performance Overhead
• Security

What is SCADA ? Supervisory Control and Data Acquisition

Supervisory control and data acquisition (SCADA) The term SCADA stands for S upervisory C ontrol A nd D ata A cquisition. A SCADA system is a common process automation system which is used to gather data from sensors and instruments located at remote sites and to transmit and display this data at a central site for control or monitoring purposes. The collected data is usually viewed on one or more SCADA Host computers located at the central or master site. A real world SCADA system can m…