094825r00zb mwg-zigbee overview ahr
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by
Jay Hendrix - Commercial Building Automation Marketing Group
ZigBee Alliance
&Jim Kohl - Commercial Building Automation Member ZigBee
Alliance
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Agenda
Introduction
Wireless Benefits
What is ZigBee?
Zi Bee Alliance
Target Markets
BACnet / ZigBee
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Introduction
Copyright 2007 ZigBee Alliance. All Rights Reserved.
Copyright 2007. All Rights Reserved.ZigBee Alliance | Wireless Control That Simply Works
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Why Go Wireless?
Construction delays andCom m on Bui ld ing
Chal len es
Unexpecteduse
Difficult
materialsSpace
reconfiguration
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What is ZigBee?
Technology & Standard (global wireless sensing and control network)
Focus Relatively Simple Devices Low cost (open standard, multi-vendor availability)
Low data rate
Low power (years on a AA battery / batteryless)
Robust, reliable, simple deployment and maintenancemesh, self-or anizin , self-healin
Interoperability
True Wireless Networks that Scale (not simply wireless links)
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Purpose of ZigBee
Create a Much Needed Global Wireless sensin and
control network ZigBee gives a voice to the myriad of everyday devices
.
These devices are overlooked in an IT centric world:
Light switches, thermostats, electricity meters
commercial building and industrial automation worlds
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ZigBee Alliance
Alliance Overview 300 + Members - Americas, EMEA, and Asia/Pacific Independent, vendor-neutral, non-profit corporation
Anyone can join and participate
Robust, Diverse Value and Supply Chain
Silicon
Platforms
Modules
Tools
Products
Mission Define the Network, Security and Application software
Provide Interoperability and Conformance testingspecifications
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Manage the evolution of the technology
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ZigBee Application Profiles
Profiles complete
Certified roducts available
Profiles under development
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Application Profiles
Two T es of A lication Profiles:
1. Public Application Profiles Interoperable application specification developed by the
ance or a spec c oma n. an e use y a
Alliance members in products and allows device
interoperability regardless of device manufacturer. anu ac urer pec c ro es
Private application profile developed by a company to
operate a ZigBee device
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Certification Programs
1. Zi Bee Certified Platform
2. ZigBee Certified Products3. Designed for ZigBee
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ZigBee Certified Platform
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ZigBee Certified Platform
1. ZigBee Certified Platform
Platform = the basic hardware/software (e.g. chipand stack) combination needed to create any
g ee ev ce
No ZigBee logo use but may state ZCP is ZigBeeCompliant
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ZigBee Certified Product
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ZigBee Certified Product
2. ZigBee Certified Products
Product is based on an approved and unchangedZi Bee Certified Platform
A product for use - Or to be implemented (module) by a manufacturer
Testin for sim le re- ualified end- roductstypically takes one day or less of test lab time
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ZigBee Certified Product (cont.)
Either based on a public or private application profile
g ee er e ro uc ogo use
Public Private
Logo used No logo
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ZigBee: Certified Programs
3. Designed for ZigBee
Products that have agreed to seek ZigBeeCertified Product status ma use this tem orardescription
No lo o usa e allowed
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Technolo Overview
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ZigBee Operates Within IEEE
.
IEEE 802.20
R
ange
WiMax
IEEE 802.16
ZigBee
802.15.4 802.15.3
Wi-Fi
802.11
Bluetooth. . .
0.01 0.1 1 10 100 1000
802.15.1
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Data Rate (Mbps)
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Wireless Communication
Standards
Line-Powered, higher
Pow
er data-rate devices
Ethernet/ Internet, Voice, Video
PDA, Mouse, Keyboard
Low power and battery-powered, low
Data Ratebps Kbps Mbps
, -
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Protocol Stack Features
- . .
80c51)Compact protocol stack
APPLICATION/PROFILESZigBee or OEM
mains powered devicesNETWORK/SECURTIY
LAYERS
ZigBee
PHY LAYER
MAC LAYER
IEEE
Platform
Application
ZigBee Platform Stack
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con
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Topology Models
Mesh
Star
PAN coordinatorFull Function DeviceCluster Tree
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Nodes on a Mesh Network
Network Coordinator.
Always on Communicate with multiple
nodes
Network Coordinator
Route message traffic for self
and neighbors
2. Sleepy End Devices (Sensors)
Sleep most of the time
Only route their own traffic
Only communicate with oneline-powered node at a time
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Point-to-point versus Mesh
- -
communications canbe blocked
Obstruction
Mesh networks
self-form and self-
heal to route
aroundobstructions
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Building Automation
CONTROL
Integrate and centralize management of lighting,heating, cooling and security
Automate control of multiple systems to improve
conservation, flexibility and securityCONSERVATION
HVAC management
Allocate utility costs equitably based on actualconsumption
Reconfigure lighting systems quickly to createadaptable workspaces
Extend and upgrade building infrastructure with
SAFETY Network and integrate data from multiple access
control points
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ep oy w re ess mon or ng ne wor s o en anceperimeter protection
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Examples of ZigBee in Building
Automation
communications E.g. terminal equipment
Sensing
E.g. space sensing for terminal equipment Battery operated
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Mesh Networks Self Configuring
Networks automaticall establish robust network
No RF engineering
Each routin node is an
intelligent Sender,Receiver and Router.
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Mesh Networks Self Healing
Multiple redundant paths of communication.
If a pathway is blocked, network automatically reroutes.
Obstruction
Messages hop to their destination. Network automatically adjusts to obstructionsto ensure message gets through.
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Wireless BACnet Standard
Two separate tracks to the standardization of BACnet tunneled over
ZigBee :
1. ZigBee in the ASHRAE BACnet committees (SSPC-135)
2. BACnet in the ZigBee Alliance
(Commercial Building Automation group)
Approved
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1. ASHRAE BACnet Committee
ZigBee as another BACnet Data Link layer
Defined in addendum q of BACnet spec
Similar to BACnet/IP & BACnet/MSTP
ASHRAE Board of Directors to formally approve in Jan 09
Remaining Items
Testing/certification procedures for the new data link
Test Houses
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2. CBA Profile Task Group
Specification text approved for a BACnet
.
Next step:
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Coexistence
White Pa er Demonstrates Zi Bee Performs in
Harsh Environments
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Conclusion
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ZigBee Benefits
Zi Bee Benefits
Mature/proven technology Standards-based
Reduced cost
Interoperability Reduced development time
ZigBee brand recognition
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Resources for Companies
Ke Links www.zi bee.or
Technology Downloads
http://zigbee.org/en/spec_download/zigbee_downloads.asp
How To Join
http://zigbee.org/en/join/ White Papers
http://zigbee.org/en/markets/whitepapers1.asp
News
http://zigbee.org/en/press/
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CONFIDENTIAL2009 ZigBee Alliance. All rights reserved. www.zigbee.org