3 NORMATIVE REFERENCES

OPC 10000-3, OPC Unified Architecture - Part 3: Address Space Model

OPC 10000-4: OPC Unified Architecture - Part 4: Services
     OPC 10000-5, OPC Unified Architecture - Part 5: Information Model

OPC 10000-6: OPC Unified Architecture - Part 6: Mappings
     OPC 10000-8, OPC Unified Architecture - Part 8: Data Access

OPC 10000-100: OPC Unified Architecture - Part 100: Devices