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Southern Manufacturing

Farnborough, Hants(GU14 6TQ)

20/04/2021 - 22/04/2021

Southern Manufacturing and Electronics is the most comprehensive annual industrial exhibition in the (more)

PPMA Show 2021

NEC, Birmingham(B40 1NT)

28/09/2021 - 30/09/2021

PPMA Show 2021 will be the UK’s largest ever event dedicated to state-of-the-art processing and (more)

Advanced Engineering 2021

NEC Birmingham(B40 1NT)

03/11/2021 - 04/11/2021

Join us in our 12th and most important edition to date, as we invite engineers and management from all (more)

Browsing function for OPC UA

Browsing function for OPC UA

B&R continues to drive the development of vendor-independent communication with OPC UA. The company has developed a PLCopen function block that makes it easy to implement dynamic applications able to utilize data from any OPC UA server.

With the browsing function block, an OPC UA client can simply browse the variables available on a controller and then add them to a subscription. This was previously only possible when the name and structure of the variables were known in advance. One of many potential uses for this new function block would be to implement dynamic HMI applications that automatically adapt to the machine. Since communication takes place via OPC UA, the whole process operates independently of which vendors are used.

"OPC UA plays a key role in implementing fully networked factories," explains Karl Mayr, technical manager of automation software at B&R. That explains B&R's years of involvement in OPC Foundation working groups helping to advance the standard. "We're currently working on numerous other OPC UA functions that will soon be available to all users of this open communication protocol," says Mayr.

 

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