OPC UA Compliance Test Tool (UACTT)
OPC Foundation

OPC UA Compliance Test Tool (UACTT)

The CTT can be used to test OPC UA Client and Server products for compliance to the OPC UA specification.

Multiple versions of the CTT are maintained in order to ensure that products developed against earlier versions of the OPC UA specification can continue to be tested for compliance to those specification versions and associated profiles.

Stefan Hoppe

Stefan Hoppe
Verl, Germany

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Key Facts

  • Client and Server modes of testing, including all test-scripts
  • Sample configurations for testing OPC Foundation Servers
  • Complete product documentation and test case documentation
  • Command-line interface for automated testing within your build system
  • Exclusive section reserved for User-defined test-scripts


  • Secure and reliable exchange of data in the industrial automation space and in other industries

The OPC Foundation is the world’s leading community for interoperability solutions based on OPC communication specifications that deliver universal connectivity.

  • International: OPC UA is Standard IEC62541 570+ Members Worldwide
  • Security: Integrated „by Design“ - Analyzed by the BSI
  • Scalable: Sensor to the IT cloud
  • Independent: Vendor, Operating System Industry and Language
  • Transport independent: TCP / HTTPS / UDP / AMQP / MQTT / Extensible
Product News

OPC UA for ISA100 Wireless

Collaboration: Kick-Off - WCI & OPCF JWG “UA for ISA100 Wireless". The joint ISA100 Wireless Compliance Institute (WCI) and OPC Foundation Working Group will develop an OPC UA Information Model and companion specification for use with ISA100 Wireless technology. WCI anticipates that working group will also result in updates to the ISA100 technology to fully exploit OPC UA technology for support IOT ISA100 Wireless products. WCI defines a standardised data exchange format for the engineering process of production systems. OPC UA defines a communication infrastructure that can be used to exchange files based on the WCI standard.

Supplier News

OPC Foundation announces Director of Field Level Communications Initiative

Peter Lutz coordinates the initiative Field Level communications including TSN The OPC Foundation is pleased to announce the nomination of Peter Lutz as the new Director of the Field Level Communication (FLC) Initiative. In his new position, he will lead and drive forward the development of the initiative and the specifications. Throughout his career, Peter Lutz led various international projects, initiatives and consortia that developed and promoted innovative technologies for the benefit of users and suppliers in the industrial market. After the official presentation at the SPS IPC DRIVES fair 2018 in Nuremberg, the Field Level Communication Initiative was established within the OPC Foundation and has started its work.

Supplier News

OPC Foundation appoints Stefan Hoppe as new President

Stefan Hoppe is elected President and Executive Director of the OPC Foundation The OPC Foundation welcomes Stefan Hoppe as its next President and Executive Director. Mr. Burke, the former President and Executive Director, nominated Mr. Hoppe as his successor before resigning during the last Board of Directors meeting. Mr. Hoppe was elected by the board in the same meeting. Mr. Burke will remain as an officer on the Board of Directors and will continue his widespread evangelism for OPC UA adoption across various domains. Stefan Hoppe took over the operational activities and responsibility for worldwide adaption of the OPC standards and the further development of the organization.

Product News

VDMA releases OPC UA Companion for Robotics and Machine Vision

In the smart factory of the future, machines must speak the same language. At their press conference held at automatica 2018, the OPC UA machine vision and robotics working groups released the first versions of their companion specifications. “Interoperability is the key for distinguishing our products in a connected world of Industrie 4.0. OPC UA is the designated standard to make machines talk the same language in the smart factory of the future. With the release of the companion specifications, we have reached a major milestone on this way”, Dr. Horst Heinol-Heikkinen, Chairman of the VDMA OPC Vision Initiative concluded. “The VDMA (Germany's association for the mechanical engineering industry) recognized the potential of OPC UA at an early stage and promoted the standardization of data and interfaces of devices and machines in its sectors in an exemplary and consistent manner with its members”, Stefan Hoppe, Global Vice President of the OPC Foundation, added.

Supplier News

Kaspersky Labs Report Review Confirms OPC UA Security Strength

Review of Kaspersky Labs Report Confirms OPC Foundation’s Transparent, Open Source OPC UA Implementations Strategy Improves Security The Kaspersky Labs report issued on May 10th, 2018 has garnered a lot of media attention based on its claim of having identified 17 security issues in some OPC UA implementations. A detailed description of the 17 issues can be found at https://opcfoundation.org/security/. The OPC Foundation has and continues to be committed to ensuring the OPC UA standard provides the highest levels of security and as such has reviewed the claims made in the Kaspersky report.

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