New embedded standard

Software connector for IoT

The Standardization Group for Embedded Technologies is presenting the first hardware-related IoT standard for embedded systems at embedded world 2018 in Nuremberg as part of a live demonstration.

The aim of the new IoT Connector: a standardized connection between hardware and cloud.

© Congatec

For the first time since it was founded six years ago, the Standardization Group for Embedded Technologies (SGeT) is publishing a pure software standard with the Universal IoT Connector (UIC). This was preceded by the realization among manufacturers, system houses and users that a universal IoT connector that standardizes the connection between hardware and cloud is needed for a comprehensive roll-out of Internet of Things applications. Standardization to date has often focused purely on communication and its protection and therefore on the higher software layers or communication layers. In other words, where the application is concerned and therefore the useful part of IoT solutions - but not on the hardware-related levels of the embedded device.

The Universal IoT Connector uses three levels of abstraction.

© SGeT

The UIC architecture therefore consists of three interface descriptions: The Embedded Driver Module (EDM) Interface, which controls the connected hardware peripherals via drivers, i.e. can provide sensors, actuators or other local information. The second function block is the Project Configuration Interface, which provides a configuration mechanism for embedded systems. This controls which peripherals are to be controlled, how raw data is added to information records and when data is transferred to the server. As a third function block, the communication agent interface is responsible for transferring information to the communication unit, for example with a (cloud) server, i.e. for sending and receiving data records or events.

The cross-platform and open approach thus standardizes access to numerous hardware components from different manufacturers - such as Adlink, Congatec, Kontron, Portwell or Seco - using a wide range of protocols (MQTT, XRCE, OPC/UA, etc.) via a constantly growing number of supported cloud platforms, such as AWS, M2MGO's People System Things (PST), SAP Hana or Microsoft Azure Cloud. UIC also runs on both Windows Embedded and Embedded Linux.

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