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PROFINET & PROFIBUS node count continues to rise

25 June 2019

PROFIBUS & PROFINET International (PI) has concluded its annual notarised count of the installed base of devices with interfaces using communication technologies from PI. As in previous years, the numbers from 2018 indicate a positive trend.

In the case of PROFINET, the 5.1 million devices delivered in 2018 represent an increase of 0.6 million over the previous year’s record. By the end of 2018, a total of 26 million PROFINET devices were working to automate production. Even the number of PROFIBUS devices installed during the year – 2.4 million – represented a rise compared to the previous year. Reaching nearly 61 million, the overall number passed yet another threshold. The total of the two annual figures of 7.5 million also represents an all-time high.

PROFIBUS’s trend in process automation also remains stable. Though the actual number delivered in 2018 – 0.8 million – was slightly less than the previous year, a total of 12.3 million PROFIBUS devices (20% of the overall total of 61 million) are now being used in process systems.

With its 11.2 million installed nodes PROFIsafe passed the 10-million hurdle.  A total of 2.2 million PROFIsafe nodes were brought to market in 2018, which corresponds to growth of nearly 25% as compared to the previous year, PROFIsafe also saw its highest annual gain ever. In total, PROFIsafe passed the 10-million hurdle by a considerable margin with its 11 million nodes.

As in the previous years, IO-Link reached two landmark achievements in 2018. On the one hand, 3.3 million IO-Link nodes were delivered, which amounts to growth of more than 40% year-on-year. And the overall count of 11.4 million IO-Link nodes means that the 10-million hurdle was passed by a considerable margin.

Commenting on these figures, Karsten Schneider, chairman of PROFIBUS & PROFINET International  believes that these figures confirm the validity of decisions made over the past few years with regard to the development direction of PI technologies. 


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