With the increase of industrial IoT (IIoT) applications, the gateways that sit between the “things” and the Internet have become extremely important. A gateway acquires data from sensors and actuators in the field, and then transfers the data to the cloud, enabling smooth data flow from field to cloud. To ensure the stability of the data flow, all aspects of the system, including data acquisition, message payloads, and publishing messages at requested intervals for cloud applications, must be properly configured. Although many systems use a “fixed configuration” for data transmission, this option lacks flexibility and the capability to efficiently adapt to a variety of IIoT applications. This is particularly true for complex OT-IT protocol conversions, in which data exchange and data processing must be completed before data is sent to the cloud.
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