Introduction

OPyCua (IPA: /oʊ paɪ siː juː eɪ/) is an attempt to write an OPC UA communication stack using the Python programming language.

> The Unified Architecture (UA) is THE next generation OPC standard that provides a cohesive, secure and reliable cross platform framework for access to real time and historical data and events.

~ OPC Foundation website

This document describes some Python snippets for the OPC ua binary TCP mapping.

Note

Site under construction

This site is still under construction. The old documentation is on the sourceforge wiki and blog.

• Summary page at sourceforge
• Wiki at sourceforge
• Blog at sourceforge

Read more about the OPC Unified Architecture over here:

• OPC Foundation website

  • About OPC Unified Architecture
  • The OPC UA Licenses
  • A list of existing OPC UA software ( Servers, Clients, SDK’s, ... )
  • The OPC Foundation memberlist
  • OPC UA Downloads ( NOTE: only members can download the OPC UA specifications )

• Other valuable resources

  • commsvr OPC UA eBook
  • OPC UA on Wikipedia