Eventually the industrial automation engineer is challenged to optimize a M2M communication process. For this, it is essential to observe the infrastructure offered by the company and the resources available in legacy equipment. Developing a simple, economically viable solution that makes use of open communication standards is highly recommended. Alternatives that do not require large investments gain a significant dimension; another important factor in this decision is that the chosen solution should be able to operate harmoniously with existing legacy systems. By doing so, the company will be in a position to gradually pursue the Industry 4.0 concept and to preserve the most investments already made. This paper aims to describe OPC UA technology, test it in a controlled environment in order to meet a real production demand and justify how and why its differentiated characteristics are recommended for Industry 4.0 applications.
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Faria et al. (2019) studied this question.
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