Flow Ctrl Tech Engineering

OPC UA Information Models & Companion Specifications: Semantic Data Standardization

Moving beyond flat tag names to rich object hierarchies: understanding OPC UA ObjectTypes, References, Variables, Methods, and industry Companion Specifications (PackML, Euromap 77).

  • OPC UA models machines as object-oriented node trees with typed properties, engineering units, and callable methods.
  • Companion specifications standardize data structures across entire industries (e.g., all injection molding machines expose identical variables).
  • OPC UA Methods allow SCADA systems to execute remote functions in the PLC with atomic parameter passing.

Flow Ctrl Tech Engineering: Turnkey industrial automation, PLC programming, SCADA development, HMI, fieldbuses, and IIoT architectures. Contact our engineering center at [email protected] or phone +91 91110 91005.