Hilscher plans first ‘coupler’ between CC-Link IE and PROFINET

13 July 2017

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When the CC-Link Partner Association (CLPA) and PROFIBUS & PROFINET International (PI) announced a new joint specification to allow easy interoperability between CC-Link IE and PROFINET, they centred the specification on the functionality of a ‘coupler’ device which would allow transparent communication between the two protocols. Now Hilscher has demonstrated their intent to bring the first coupler products to market, enabling both networks to seamlessly share information.

With the new coupler, users can effectively achieve communication between differing parts of a line on separate networks, hugely increasing transparency and integration. The simple bridge between the two networks will reduce considerably the engineering work that has traditionally been necessary to achieve integration across the heterogeneous network architectures that are a fact of life in numerous plants around the world.

In particular, it will make it easier for companies to source best-of-breed machinery from different suppliers in different regions of the world, rather than feeling a need to compromise on functionality or performance simply for the convenience of maintaining a single network protocol. With CC-Link IE, an acknowledged technology leader in the Asian Market, and PROFINET being most prevalent in Europe, the new specification will simplify integration and increase freedom of choice for end users who source production machinery globally.

Hilscher business development manager Armin Pühringer says: “When CLPA and PI announced their joint specification intentions, there was a call for technology leaders to apply their expertise to the development of the specification for the requisite coupler device. Hilscher has a long relationship with PROFINET technology and CC-Link based technologies, so it made good sense for us to get engaged in the common development of a specification for an interface between the two protocols. We have taken our competence in data handling at every level, and applied that competence to the development of the specification. This will be followed by our new coupler itself.”

By facilitating transparency and ease of integration across two of the global leaders in networking standards, Hilscher’s coupler also addresses two goals of the transition to Industry 4.0 definitions of plant operations. Hilscher has already shown prototypes of the new device on the CLPA stand at the SPS/IPC/Drives fair in Nuremberg in 2016 and again at SPS Italia in Parma in 2017.

John Browett, General Manager of CLPA Europe comments: “This is a significant step forward. CLPA and PI committed to completing the development of the coupler specification in one year at SPS/IPC/Drives in 2015, and delivered on this promise in 2016. With Hilscher’s commitment to bring actual products to market, this shows that the CLPA/PI cooperation is still on track to deliver actual solutions developed by our partners.”

More information can be found at, or follow the link to watch a video about Hilscher’s experiences as expert within the CC-Link IE & PROFINET working group.

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