The BACnet view of XMLWeb Services

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The BACnet view of XML/Web Services

• Jim Lee
• President BMA
• President Cimetrics Inc.

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Easy-to-Use Access to High Level BAS Data
BACnet XML/Web Services
Example Read Meter
Simplified Data (For IT Access)
Lonworks
BACnet
Examples Digital I Analog I
System LevelData Definitions (Integration)
DatalinkProtocols
BACnet/IP
B/Http
Lontalk
Lontalk

• User applications require simple access to
  complex BAS data. For example read meter values
  into a spreadsheetdifficult to do this in a
  protocol-neutral way.

Why?
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Basic Web Services
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Leverage Core Technologies
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BACnet Core Technology
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BACnet Core Technology
13 Primitive Datatypes
plus more than 100 specific datatypes
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Leverage BACnet Committee Work
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BACnet XML Committee Work

• 14 months of work on Data Modeling and
  architectural discussions
• BAS system configuration and troubleshooting
  tools (ePICS)
• CSML (Control Systems Modeling Language) review
  and modification
• New developments

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BACnet XML Committee Work

• BACnet/XML Services
• Full documentation of BACnet Basic Web Services
  
• Examples of Advanced Web Services. A
  Full-featured BAS interface via web services for
  all common BAS functions

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BACnet XML Committee Work

• BACnet/HTTP
• Firewall Friendly - NAT Friendly - Encrypted
  BACnet data link layer for connecting buildings
  with no IT permission required.

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Leverage BACnet Infrastructure
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BACnet Infrastructure

• BMA 23 Prominent Manufacturers
• User groups worldwide
• BTL BACnet Testing Lab
• Interoperability Workshops
• Industry liaisons
• Standards experience and network

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BACnet Web Services Strategy

• Leverage BACnet technology, work,
  infrastructure
• Develop a simple protocol-neutral data sharing
  interface based on SOAP/XML
• Listen to suggestions from industry partners
• Modify this specification for compatibility
• Finalize and push for implementation of ASHRAE
  ISO

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Current Market
Workstation
oBIX?
BACnet/IP (B/IP) Integration
Controller
Controller
Controller
Controller
ProprietaryDeviceNetwork
BACnet MS/TP
Lonmark
BACnet ARCNET
Sensor
Device
Unitary
Device
Unitary
Sensor
Pump
Drive
Meter
Sensor
Device
Unitary
Smaller Controls Manufacturers Equipment
Manufacturers
Larger Controls Manufacturers