June 2025

Industrial networks are generally no longer locked into a vendor-specific design has likely seen its heyday, and the overwhelming majority supports open communication protocols, supported by non-profit industry organizations. However, complete system interoperability is not always as easy as adding the latest open protocols or hardware, when upgrading an existing production line with established legacy equipment.
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The programmable logic controller and transmitter supports the conversion from analog to digital meters
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Driven by numerous open communication protocols, system interoperability is becoming the norm, rather than the exception

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This diagram shows how data flows from the production line into digital twin clients. Data from production floor devices is collected through standard industrial protocols, such as OPC UA and then structured and contextualized by the unified namespace (UNS). A message queuing telemetry transport (MQTT) broker distributes live data from the UNS to the Unity-based digital twin clients on compatible devices for accurate visualization of the production line. Time-series and SQL databases store historical data that Unity can access as needed. The supervisory control and data acquisition (SCADA) system obtains the same data as the UNS in parallel and operates on it before supplying its data to the UNS, offering additional process visibility and control. Cloud-based services like Amazon Web Services or Azure can be used to host the UNS, databases and other backend components so that Unity clients can access the digital twin securely over the internet.
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