APPA Facilities Drive-In Workshop Wireless Building Technologies
Transcript of APPA Facilities Drive-In Workshop Wireless Building Technologies
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APPA Facilities Drive-In Workshop
Wireless Building Technologies for the
Building Automation Industry
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Welcome!
Eric Shimmin – ESC Automation
Melinda Nelson – Delta Controls
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Technology Comparison
• EnOcean
• Zigbee
• Z-Wave
• WiFi
• RFID
BluetoothOneNetSP1006LowPAN
Facts, Fiction or Marketing
Lets Lay a Brief Foundation
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Technology Comparison
• Radio Frequency Range
• Speed
• Data Packet
• Range
• Network Topology
• Open Protocols
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Radio Frequency Range
EnOcean 868.3 MHz, 315 MHz (Garage door, Keyless Door)
Z-Wave 900 MHz bands (Cell Phones)
RFID 125 KHz, 134 KHz, 13.56 MHz
Wi-Fi 2.4 GHz, 5 GHz
Zigbee 900 MHz in US, 868 MHz in Europe, and 2.4 GHz
Note:
-Industry concern over long term potential conflict in the 2.4 GHz frequency band.
-Some of the other bands are more regional and are not accepted world wide.
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Speed
EnOcean 120 Kbits/s Low
Z-Wave 40 Kbits/s Very Low
RFID ? Low to Medium
Wi-Fi 110 Mbps High
Zigbee 192 – 250 Kbits/s Low
What is the point of the low speeds?
Saves power by sending very limited data
Less collisions, less network management
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Data Packet-Security?
EnOcean 14 Bytes No security
Z-Wave Small ?
RFID Variable Security
Wi-Fi Variable Security
Zigbee 128 Bytes Security capable
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Range
EnOcean 300 meters Limited interference on unregulated ban
Z-Wave 30 meters Limited interference on unregulated ban
RFID ?
Wi-Fi 100 meters
Zigbee 50 meters Potential interference with Wi-Fi
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Network Topology
• What is a Mesh Network? * Allows a device to seamlessly re-route itself when a specific
communication route is disrupted. Self Healing.
* BUT, battery powered devices can’t be used for Mesh routers
• Wireless Network Types EnOcean
Z-Wave Mesh
RFID
Wi-Fi Mesh
Zigbee Mesh
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Open Protocols
EnOcean Proprietary, Published
Z-Wave Proprietary
RFID Open
Wi-Fi Open
Zigbee Open
Reminders of Lonworks versus BACnet Open Protocol……
When specific manufactures control the protocol and licensing it is not “OPEN”
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EnOcean
EnOcean (Siemens) provides the transmitters, receivers, transceivers to manufactures
EnOcean equipment profiles to insure interoperability
Self powered devices, NO batteries
Uses electromagnetic, piezogenerators, solar cells and thermocouples to generate the very small power requirements allowing for sustained energy.
Uses special techniques to minimize RF energy use
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Z-Wave
Zensys provides embedded software and Z-Wave chip for manufactures use
Aiming for residential and light commercial markets
Mesh network
Large selection of sensors and devices accomodating a wide variety of applications
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RFID
RFID (radio-frequency identification)
It can’t control anything, only identifies
Asset management and security
Passive and active (requires batteries) tags
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Wi-Fi
Wireless Ethernet
Very high data capacity
Seeing wireless Ethernet DDC panels
Typically requires substantial quantities of power
World wide acceptance
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Zigbee
– Open Protocol
– Residential, Building and Industrial control devices
– Mesh technology
– Requires power source, batteries
– Can support multiple sensing requirements
– May have security support
– Claim to have largest installed base of wireless building automation networks
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Focus on Zigbee
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Q & A Dialogue
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Q & A Dialogue
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Thank You!
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• Solar powered• Battery backup• External binary input•Temperature• Setpoint adjust• Occupancy button• Humidity sensor• CO2• Motion•Lighting relays•Lighting Switches
Zigbee Mesh Products
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BACnet MS/TP
LINKnet
LINKnet
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More Information….
ZigBee Alliance http://zigbee.org
Delta Controls http://deltacontrols.com
ESC Automation http://escautomation.com
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Thank You!
WWW.ESCAUTOMATION.COM
WWW.Deltacontrols.com