OPC UA

How all protocols fail at data access interoperability

November 1, 2022

If you are interested in being challenged to fundamentally rethink how an enterprise-wide Data Access system should be architected, you have come to the right place. Matthew Parris, Senior Manager, Advanced Manufacturing – Test Systems for GE Appliances, shares his experiences and ideas for moving ahead.

Learn More

Leading IoT Vendors Commit to OPC UA Adoption

February 1, 2022

Major IoT vendors including AWS, Google Cloud, IBM, Microsoft, SAP and SIEMENS leverage secure, standardized information exchange in edge-to-cloud applications based on OPC UA.

Learn More

UA Cloud Library and Field Level Communications Updates

January 22, 2022

The OPC Foundation continues to forge ahead with technology advancements. Recent highlights include the launch of the UA Cloud Library developed in conjunction with CESMII and completion of the second release candidate for the OPC UA FX (Field eXchange) specifications that is part of the FLC initiative.

Learn More

OPC UA – from automation pyramid to information network

June 1, 2021

The OPC UA (IEC 62541) framework with the extensions for field exchange (OPC UA FX) specified by the FLC Initiative, in combination with underlying communication technologies such as APL, TSN and 5G, offers a complete, open, standardized and interoperable solution.

Learn More

OPC UA over TSN – integration and evaluation experiences

March 30, 2021

The need for edge computing means more connected devices that interact with the real-world based on the data they receive. As computing power becomes pervasive, so does the need for security to address increased cyber risk. Only relying on firewalls is no longer effective with converged IT and OT networks.

Learn More

Secure and flexible IT/OT integration based on OPC UA

March 30, 2021

Middleware offers possibility of seamless and secure data transfer based on OPC UA. Data transfer plays an especially important role in the integration of the production and management domains, with the large number of variables, heterogeneous interfaces, rights management, and specific security requirements being just some of the key challenges faced…

Learn More

Use Cases for a CIP Companion Specification for OPC UA

September 7, 2020

An OPC UA companion specification for CIP to OPC UA Gateways is based on assumptions that the cloud interface will use an OPC UA information model; it will use OPC UA transport mechanisms (MQTT, AMQP or HTTPS) and the cloud interface will use OPC UA defined cybersecurity roles, authentication and…

Learn More

Mapping EtherNet/IP CIP object to OPC UA model

July 1, 2020

Exposing EtherNet/IP object via OPC UA Information model provides new technology for EtherNet/IP devices in the process automation. Mapping of CIP objects like Identity, Assembly to OPC UA Information Model will enable standard OPC UA Services to access the objects defining devices in a vendor-neutral way.

Learn More

Using OPC UA and MQTT to access CNC controller data

March 9, 2020

Use of a gateway along with OPC UA and MQTT, can provide access to S7 controller machine tool data. This allows important spindle and axis data, such as torque and power consumption, to be read out, processed and become available for condition monitoring, predictive maintenance, and data logging or analysis…

Learn More

OPC UA over TSN: Frequently Asked Questions

January 9, 2020

The automation community is continuing to champion the introduction of OPC UA (Unified Architecture) over Time Sensitive Networks (TSN). B&R Automation provides its take on the importance of the technology, benefits for applications and how it fits with POWERLINK and other fieldbus technologies.

Learn More