OPC UA Integration Consulting & Roadmap
OPC UA (Unified Architecture) is the global standard for secure, interoperable industrial data communication. We help plants bridge legacy control systems to modern MES, ERP, historians, and cloud platforms.
OPC UA vs. Legacy Protocols — Why It Matters for Modernization
| Feature | Legacy Protocols (OPC Classic, Modbus, etc.) | OPC UA | Benefit for Your Plant |
|---|---|---|---|
| Security | Weak or none (DCOM vulnerabilities) | Built-in encryption, certificates, authentication, auditing | Secure IT/OT convergence without custom firewalls |
| Platform Independence | Windows-only (DCOM) | Any OS, cloud, edge devices, Linux, embedded | Future-proof integration across mixed environments |
| Data Modeling | Simple tags only | Rich semantic information models (nodes, types, references) | Better MES/ERP connectivity and analytics |
| Real-time Communication | Limited polling | Client/Server + Pub/Sub (MQTT/UADP) + deterministic FX | Supports hot cutover and real-time monitoring |
| Scalability | Poor for large systems | Excellent for thousands of nodes | Handles large-scale legacy modernization projects |
| Interoperability | Vendor-specific | Standardized across all major DCS/PLC vendors | Vendor-neutral integration (your core strength) |
Our OPC UA Consulting Deliverables
OPC UA Readiness Assessment
Evaluate your legacy systems and define the best integration path.
Information Model Mapping
Map legacy tags/blocks to standardized OPC UA nodes and companion specifications.
Secure Gateway & Edge Architecture
Design secure OPC UA servers, gateways, and Pub/Sub infrastructure.
Hot Cutover Integration Plan
Enable parallel operation and bump-less transfer using OPC UA.