Implications of USB 3.0 Technology for Machine Vision. Sean Wood: OEM Sales Manager Stand Number: D02

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Reynold King
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1 Implications of USB 3.0 Technology for Machine Vision Sean Wood: OEM Sales Manager Stand Number: D02

2 Introduction Brief overview of the USB 3.0 interface and some key differences from USB 2.0 USB 3.0 vs other interfaces: How does it compare? The USB 3.0 Vision standard: What is it? Implications of USB 3.0 technology for Machine Vision

3 Brief Overview of USB 3.0 SuperSpeed USB (aka USB 3.0) is the next generation of the plug-and-play Universal Serial Bus serial communication spec Managed by the USB Implementers Forum (USB-IF) Designed to build on the strengths of USB 2.0 while addressing many of its limitations

4 Brief Overview of USB 3.0 Maximum streaming bandwidth via bulk transfer is around 440 MB/s; max via isochronous is 384 MB/s Bulk guarantees delivery; isochronous guarantees bandwidth Dual-simplex signalling (data can flow in two directions simultaneously) USB 2.0 is only half duplex (data can only travel in one direction at a time) Asynchronous notifications; USB 2.0 uses polling less efficient More efficient power management and delivery vs USB 2.0

5 USB 3.0 vs The Rest

6 USB 3.0 vs The Rest Point Grey have tested, and supply 5m passive USB 3.0 cables Other manufacturers (Icron, Newnex etc) supply Active cables/repeaters from 5M+ Fibre Optic Extenders are also available for 50m+ cable lengths

7 USB 3.0 Vision

8 USB 3.0 Vision Communication interface for vision applications based on the USB 3.0 interface, managed by the AIA trade association (they also manage GigE Vision) USB3 Vision, which was ratified in January 2013, also uses GenICam (as with GigE Vision) Camera vendors such as Point Grey have been shipping their cameras with USB3 Vision support since August 2013, with software vendors also providing support

9 Implications of USB 3.0 technology for Machine Vision USB 3.0 addresses the need for: Higher bandwidth A reliable imaging pipeline Lower overall system cost, without sacrificing performance Lower CPU usage Interface availability on a range of systems Application compatibility with cameras from multiple vendors Applications requiring multiple cameras Taking advantage of new image sensor technology

10 Implications of USB 3.0 technology for Machine Vision Higher Bandwidth:

11 Implications of USB 3.0 technology for Machine Vision Better Reliability: Cameras and cables with screw lock connectors, which ensure a reliable connection, are common Increased power delivery reduces power related problems USB 3.0 host controllers support a packet resend mechanism to address issues with data corruption IMPORTANT: An on-camera buffer helps minimise the chance of dropped frames. This is crucial in high speed imaging

12 Implications of USB 3.0 technology for Machine Vision Lower System Cost: Fire Wire-b GigE USB 3.0 Camera Link Frame Grabber Cable (3M) Power Supply N/A 40 (or PoE) Cost for single camera solution 4-port frame grabber Cost for 4- camera solution N/A (or PoCL)

13 Implications of USB 3.0 technology for Machine Vision Interface Availability: USB 3.0 is a low cost, consumer-driven technology, like FireWire and GigE USB is the most popular interface of all time; by next year USB 3.0 is forecasted to be in every PC Virtually all major computer system manufacturers provide new systems with USB 3.0 on the motherboard Many certified USB 3.0 chip sets

Implications of USB 3.0 technology for Machine Vision Access to New Sensors: Many new high resolution/high speed sensors now available Before USB 3.

14 Implications of USB 3.0 technology for Machine Vision Access to New Sensors: Many new high resolution/high speed sensors now available Before USB 3.0, Camera Link would have been the only option to utilise these sensors to their full potential New Global Shutter CMOS sensors; The Sony IMX174 sensor has a resolution of 1920 x 1200 (2.3mp), and supports frame rates of over 150fps at full resolution. This creates 350 MB/s of data USB 3.0 enables this level of performance through low cost, noncomplex consumer level technology More cameras on the same bus

15 Implications of USB 3.0 technology for Machine Vision In Summary: USB 3.0 is FAST: 400 MB/s enables the use of higher resolution, faster sensors, along with higher bit-depth data USB 3.0 is RELIABLE: Improvements over USB 2.0 in power management and signalling, with lower CPU usage USB 3.0 is EASY: Plug and play with one cable for power and data. No costly frame grabbers USB 3.0 is ACSESSIBLE: Low cost consumer-driven technology like FireWire and GigE. USB 3.0 Vision ensures interoperability of devices and software USB 3.0 is FUTURE PROOF: Along with GigE, USB 3.0 will be a key interface for Machine Vision applications going forward

16 Thank You

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