New-Tech Europe Magazine | July 2019 | Digital Edition

networking (TSN) companies can use a single Ethernet network for both time-critical, deterministic applications such as image capture and less time-critical IT systems. Since the OPC UA TSN standard can be applied to computer-based nodes on the network, including cameras, PCs, PLCs, and server-based systems, it will be especially useful in developing edge-based and cloud- based network applications. 5GBASE-T: The Sweet Spot 5GBASE-T cameras coupled with standard Cat 6 cables allows cameras to be easily located at up to 100m from the host computer

While the OPC UA describes data, functions, and services of embedded devices, machines and data transport for data modelling, OPC Vision allows industry-specific definitions of products such as cameras to be defined, similar to the GenICam Standard’s Features Naming Convention. As well, the OPC Vision Interface can be integrated with fieldbus standards such as EtherCAT to form a complete system model for real-time deterministic systems that can be integrated with OT production control and IT systems. With the emergence of the OPC Unified Architecture (OPC UA), the OPC Vision Initiative and the IEEE 802.1, standards for time-sensitive

in a variety of flexible network topologies. Eliminating the need for relatively expensive frame grabbers also lowers the overall system cost while still allowing 5Gbits/s image data transfer from the camera, fast enough to address a broad range of vision applications. When established, efforts such as the OPC Unified Architecture (OPC UA) and the OPC Vision Initiative will ease the deployment of 5GBASE-T cameras in industrial fieldbus-based Ethernet networks, simplifying the task of systems integration. These aspects combine to build a balanced interface offering flexibility, bandwidth, low cost, and strong reliability for high speed vision systems.

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