Short definition
SCADA systems are used for the central monitoring, control and data acquisition of geographically distributed technical systems. They visualize process statuses, enable operator intervention and archive historical data for analysis and reporting. SCADA works as a superordinate level to local PLCs or RTUs (Remote Terminal Units). In membrane filtration, SCADA systems coordinate several decentralized filtration plants, pumping stations or waterworks from a central control room via WAN connections.
Functional principle
SCADA servers communicate with subordinate controllers via standard protocols such as OPC UA, Modbus TCP or PROFINET. They aggregate process data, execute higher-level logic and offer web or client-based visualization. Alarm and event management informs operators about deviations. Trending and reporting functions analyze long-term trends. Modern SCADA systems such as WinCC Open Architecture, Wonderware System Platform or Ignition enable cloud integration, mobile access and advanced analytics. Cybersecurity concepts in accordance with IEC 62443 protect against unauthorized access.
Areas of application
SCADA systems are ideal for operators with geographically distributed membrane filtration systems. They enable central monitoring of multiple sites, coordinated process management and cross-site optimization. Remote access reduces the number of trips and enables rapid expert support. Central data storage allows comparative analyses and benchmarking between sites.
Typical areas of application:
- Water supply networks with decentralized treatment plants
- Multi-site monitoring in industrial companies
- Remote monitoring of container filtration systems
- Central control room for municipal waterworks
- Cloud-based fleet monitoring for plant manufacturers
Summary
SCADA systems create transparency across distributed plant landscapes and reduce operating costs through central coordination. They enable rapid response to faults and data-driven optimization. For operators, they mean operational excellence, reduced personnel costs and maximum system availability through proactive management of decentralized membrane filtration systems.
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