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Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: [ Application Space

Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: [ Application Space “Factory Automation” ] Date Submitted: [ 10 November, 2008 ] Source: [ Michael Bahr, Ludwig Winkel ] Company [ Siemens AG ]

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Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: [ Application Space

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  1. Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: [ Application Space “Factory Automation” ] Date Submitted: [ 10 November, 2008 ] Source: [ Michael Bahr, Ludwig Winkel ] Company [ Siemens AG] Address [Otto-Hahn-Ring 6, München, Germany] Voice:[ +49-89-636-49926 ], FAX: [ +49-89-636-49926 ], E-Mail:[ bahr at siemens. com] Re: [] Abstract: [ Requirements and usages in application space “Factory Automation” ] Purpose: [amending 802.15.4-2006 for matching the requirements for factory automation] Notice: This document has been prepared to assist the IEEE P802.15. It is offered as a basis for discussion and is not binding on the contributing individual(s) or organization(s). The material in this document is subject to change in form and content after further study. The contributor(s) reserve(s) the right to add, amend or withdraw material contained herein. Release: The contributor acknowledges and accepts that this contribution becomes the property of IEEE and may be made publicly available by P802.15. M. Bahr, Siemens AG

  2. Application Space “Factory Automation” Michael Bahr (Siemens AG) Ludwig Winkel (Siemens AG) M. Bahr, Siemens AG

  3. automotive robots suspension tracks portable machine tools milling, turning robot revolver filling cargo airport logistics post packaging industry special engineering conveyor technique Use Cases of Factory Automation M. Bahr, Siemens AG

  4. Requirements for Factory Automation (I) • high reliability • high determinism • bounded delay / latency • very low latency: • transmission of sensor data in  10 ms • short duration between subsequent transmissions • very small data • data might be only 1 byte M. Bahr, Siemens AG

  5. Requirements for Factory Automation (II) • many sensors per gateway • up to 250 sensors per gateway • different traffic patterns • limited traffic: • sensors send data only infrequently • often event-triggered • heavy traffic: • sensors send data (very) frequently • often continuous data transmission M. Bahr, Siemens AG

  6. Requirements for Factory Automation (III) • star topology • gateway • sensor nodes • temporary management devices • minimal overhead in data frames • short header • flexible superframe structure • roaming between gateways • for instance, for conveyor techniques M. Bahr, Siemens AG

  7. star topology gateway devices sensors:unidirectional data exchange from devices to gateway actuators: bidirectional data exchange between devices and gateway management devices (temporary) Network Topology M. Bahr, Siemens AG

  8. Assumptions • assume controlled environment (factory floor) • configuration for optimal performance • network management and frequency planning for avoidance of co-existence issues M. Bahr, Siemens AG

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