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Patterns for Safety System Bus Architecture

Published:07 April 2016Publication History

ABSTRACT

Traditionally safety and controls systems have been strictly separated from each other. There are both benefits and liabilities in this approach. Thus, modern system employing control and safety system parts do not necessarily make a strict separation between these two elements of the system. Regardless of the degree of separation, the nodes belonging to either control or safety system may need to communicate with each other to implement the desired functionality. An increasing number of systems nowadays utilize a fieldbus to connect the distributed nodes of the system together. A time comes in the design process, when one needs to select the architecture of the physical fieldbus. That is, how and which nodes are connected? In this paper, two patterns to organize the fieldbus architecture are illustrated. In short, one either can separate the fieldbus between the safety and control system nodes or use a shared fieldbus between the nodes.

References

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  • Published in

    cover image ACM Other conferences
    VikingPLoP '16: Proceedings of the 10th Travelling Conference on Pattern Languages of Programs
    April 2016
    186 pages
    ISBN:9781450342001
    DOI:10.1145/3022636

    Copyright © 2016 ACM

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    Association for Computing Machinery

    New York, NY, United States

    Publication History

    • Published: 7 April 2016

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    Overall Acceptance Rate8of11submissions,73%

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