Learn CITECT-SCADA with Real Code Examples
Updated Nov 27, 2025
Architecture
Client–Server structure
Dedicated I/O server for PLC comms
Alarm/Trend servers for data management
Redundancy across all servers
Clients connect to runtime for visualization
Rendering Model
Vector graphics rendering
Dynamic elements based on tags
Cicode-driven animations
Multi-layered HMI pages
Optimized runtime rendering
Architectural Patterns
Client–server
Distributed SCADA clusters
Tag-centric data flow
Event-driven alarming
Script-based logic customization
Real World Architectures
National water utility SCADA
Large mining plant monitoring
Power station SCADA
Oil pipeline control
Factory-wide visualization systems
Design Principles
High availability
Distributed architecture
Strong performance under load
Customizable scripting
Open connectivity
Scalability Guide
Add multiple I/O servers
Use clustering
Load-balance alarm servers
Use high-performance networks
Segment projects by process area
Migration Guide
Upgrade 7.x -> AVEVA versions
Migrate graphics pages
Cicode recompile and test
Driver compatibility checks
Re-validate redundancy