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APR 2017

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www.rockproducts.com ROCK products • April 2017 • 47 EQUIPMENT & TECHNOLOGY AUTOMATION & ENERGY According to market research, there will be nearly 26 billion devices on the Internet of Things by 2020. While the consumer end of the IoT has been the primary focus of attention, the manu- facturing subset of the IoT, known as the Industrial Internet of Things or the IIoT, will witness even more spectacu- lar growth. Manufacturing companies are expected to spend $500 billion a year by 2020 on IIoT technology, and generate value of $15 trillion annually by 2030. At its core, the IIoT is about the inter- connection of intelligent devices that collect, scour and share data to find trends, patterns and anomalies to help businesses make better decisions. Com- panies are already benefitting from the IIoT through cost savings due to predic- tive maintenance, improved safety and other operational efficiencies. Data is king in the IIoT. However, you can't measure what you can't see or sense. This has given rise to a renewed need for increased and improved machine vision technologies, said Donal Waide, director of sales and marketing for BitFlow Inc., a man- ufacturer of frame grabbers used in machine-vision technology. "Data generated by cameras within an IIoT ecosystem is invaluable, if not absolutely essential, for success- ful connectivity and collaboration," said Waide. "An IIoT device without a camera or sensor may someday soon be considered a simple tool." Waide gives the example of a con- nected camera on a processing line. The challenge is how to integrate machine vision in a system of hun- dreds, if not thousands, of connected IIoT devices. Waide suggested the answer is the widely adopted CoaX- Press (CXP) camera-to-computer interface. First proposed seven years ago, CXP combines the traditional simplicity of 75-ohms coaxial cable with state-of-the-art, high-speed serial data technology. The merging of these two features – inexpensive coaxial cable and "XPress" speed – provides a highly desirable solution for IIoT data transmission. The backbone of the IIoT is the fast, reliable transfer of "Big Data" so it can be acted on by other machines. CoaX- Press meets that challenge head-on by supporting bit rates up to 6.25 Gbit/s over a single coaxial cable from camera to frame grabber, meaning 2-mp images can be obtained at up to 300 frames-per-second. A low-speed uplink channel, operating at 20.833 Mbit/s from frame grabber to camera can be used for camera control or trig- gering, while a 24V power supply is also available over the cable to deliver up to 13W to the camera. For even higher speeds, links may be combined CoaXPress Integrates Machine Vision into the Industrial Internet of Things to provide multiples of the single coax bandwidth. But it is not just the higher speeds that are attractive. Other key advantage is the use of longer, more flexible cabling. Cable lengths greater than 100 m (328 ft.) can be achieved without hubs, repeaters or other intermediary. It is also possible to reuse existing coaxial cable when upgrading from an analog to a digital camera system, making CXP ideal for cost-effective retrofitting. BitFlow recently introduced its Aon- CXP CoaXPress single-link frame grabber to address the IIoT and other machine vision markets. Affordable yet powerful, the Aon-CXP is optimized for use with the newest generation of smaller, cooler operating CXP sin- gle-link cameras popular in the IIoT. Mating a single-link CXP camera with the Aon-CXP provides the convenience of a GigE Vision or USB3 vision camera system, but is faster, less expensive and permits longer cable lengths. It also delivers a host of features missing from GigE Vision or USB3camera sys- tems such as triggers, encoders, strobe, waveform generators, and quadrature encoder support. All of the hardware and software components of the BitFlow Aon-CXP capture system are sourced from one manufacturer, eliminating the hassles of systems built of blocks from different manufacturers. Machine vision today is a reactive tool for identifying defective parts. In the IIoT, however, its impact will go beyond simply inspecting parts or guiding robots. Empowered by connectivity, machine vision will be used to extract data from images for drawing insights with statistical and data science techniques, and enable greater collab- oration across entire supply chains in real time. BitFlow Inc., www.bitflow.com

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