Electromagnetic compatibility issues in hybrid wired and wireless industrial networks

Piotr Gaj and Michał Maćkowski

PLOS ONE, 2020, vol. 15, issue 5, 1-19

Abstract: Industrial networks are currently the only communication means designed for real-time systems used in industry. Networked control systems (NCS) are still important and commonly used type of such systems operating on shop floor. As a computerized node of NCS, a programmable logic controller (PLC) is usually used. In most cases, contemporary devices of such kind are equipped with more than one network interface of various types. Typically, only one interface is activated in NCS. Sometimes, the other is used for communication between NCS and supervisory systems. Occasionally, it is additionally involved in the data transmission in the factory IT systems. In general, however, using a single network interface is a more common solution. In this paper, the mutual utilization of more than one interface is discussed in order to back up the NCS network and to manage the node-related traffic within the scope of higher level services. The question of dependability of such a system from the electromagnetic compatibility point of view is discussed. The example is provided based on Profinet via wired and wireless connection.

Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0232405

DOI: 10.1371/journal.pone.0232405

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