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Paper 08/11/2018 -

Secure implementation of OPC UA for operators, integrators and manufacturers

Introduction

PLATTFORM PUBLICATION - The innovative concepts and procedures of the Fourth Industrial Revolution (Industry 4.0) are creating entirely new possibilities for cooperation – especially on a technical level. Systems, machines and products interact, exchange data and information, communicating with each other all the while.

Cover of the publication "Secure implementation of OPC UA for operators, integrators and manufacturers"

It makes no difference whether communication takes place with a machine in the same factory hall or with a system in a plant on the other side of the world so that the boundaries for trust are exceeded. However, this can only work if technical communication mechanisms ensure that Industry 4.0 components (assets) can communicate in a secure and interoperable manner and thereby enable trust across company boundaries.

OPC UA (OPC1 Unified Architecture) is an architecture used to describe and exchange machine data. In this respect, OPC UA is more than just a communication protocol – the architecture also includes data models and interaction con-cepts. OPC has been successfully used in automation tech-nology for some time now. The further development of OPC UA is today widely supported; it has been recom-mended as an important technology in the implementa-tion strategy of the Industry 4.0 platform and is part of the “Criteria for Industry 4.0 Products” of the ZVEI manu-facturers’ association. This paper focuses accordingly on OPC UA.

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