PROFINET for Process Automation

PI, Profibus International, has published a 32 page paper entitled “PROFINET – The Solution Platform for Process Automation”. This is the PI justification of its view that Profinet will gain more importance in process automation, due to both its actual capabilities, and its newly developed and planned properties. PI says it is working closely with well-known users of process automation to achieve this objective. Siemens has already stated that they are involved in achieving this objective (for example, as reported in the July INSIDER).

The paper details the existing functions and capabilities of Profinet that already meet the demands of the process automation industry, and provides guidance as to specifications that are published, or under development, and could be implemented and utilized in future products.

Explaining the Background

The press release text from PI is well written: it says –

Process-related systems are typically complex in structure, consisting of different sub-systems with numerous devices and differing topologies, manufacturers and technologies. Plant Owners and Operators urgently want this complexity to be harmonized and the data and information systems to be fully integrated and easier to handle with resulting improvements in operational reliability. Profinet fully meets these demands:

  • Profinet is 100% Ethernet and thus provides an ideal environment for interoperability at all levels of a plant. And Profinet is precisely defined in its specifications, which is also a requirement for full interoperability.
  • As a uniform technology in a plant, Profinet also affects personnel costs. There is less training expense, fewer specialists are needed, and plant operation is more transparent and thus more reliable and cost-efficient.

After five more such statements, PI concludes: “The answer therefore to the introductory question ‘Why Profinet?’ is as follows: As an Industrial Ethernet standard Profinet offers plant operators and owners of process automation-related plants a large step forward in terms of standardization, integration, ease of use, security, and cost reduction!”

“PI is working intensively on a comprehensive solution for process automation that includes existing and new PI technologies. The goal is the development of Profinet as the solution platform for process automation.”

Read the PI document on

One Response

  1. Reblogged this on profibusgroup and commented:
    An interesting review of “PROFINET – the solution platform for process automation”

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