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BACnet in China – Efficient system integration of building automation and control technology October 20th 2009 2009 10 20 H. Michael Newman Cornell Univerity.

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Presentation on theme: "BACnet in China – Efficient system integration of building automation and control technology October 20th 2009 2009 10 20 H. Michael Newman Cornell Univerity."— Presentation transcript:

1 BACnet in China – Efficient system integration of building automation and control technology October 20th H. Michael Newman Cornell Univerity BACnet in a Nutshell – The Success Story of the BACnet Protocol BACnet 2009

2 October 20th 2009 / Before BACnet...

3 October 20th 2009 / After BACnet...

4 October 20th 2009 / Reasons for BACnet's success: BACnet is the only standard protocol designed specifically for building control. It was designed from the beginning to support: –Alarm and event processing –Command prioritization –Scheduling –Trending

5 October 20th 2009 / Reasons for BACnet's success: BACnet doesn't depend on current technology –BACnet is implemented through software, not hardware –BACnet's objects and services are independent of the underlying network technology –BACnet/WebServices allow communication between BACS and enterprise applications (for example: room scheduling, energy monitoring)

6 October 20th 2009 / Reasons for BACnet's success: BACnet has no fixed architecture. Can be flat:

7 October 20th 2009 / Reasons for BACnet's success: Or BACnet networks can be hierarchical: BACnet LAN - Ethernet BACnet Field Panel BACnet Workstation Vendor A Sensors and Actuators Vendor C Vendor C BACnet LAN - ARCNET Sensors and Actuators Ethernet to ARCNET Router Vendor B B BACnet Field Panels BACnet Field Panels Ethernet to MS/TP Router BACnet LAN - MS/TP Sensors and Actuators Net 1 Net 3 Net 2

8 October 20th 2009 / Reasons for BACnet's success: Can be implemented in devices of any size –Application specific controllers –Configurable, fixed-program controllers –General purpose, programmable controllers –Workstations and Web servers

9 October 20th 2009 / Reasons for BACnet's success: Most BACnet devices are actually small...

10 October 20th 2009 / Reasons for BACnet's success: BACnet can be easily enhanced to embrace building technologies beyond HVAC&R: –Access control –Elevators –Lighting control –Utility integration –Video surveillance

11 October 20th 2009 / Reasons for BACnet's success: No charge for BACnet's use - no fees, licenses, or royalties. BACnet is an ISO standard. ¥ $

12 October 20th 2009 / The Biggest Reason for BACnet's success? People from all over the world Communication specialists Building automation engineers Building owners Government officials Manufacturers Building operators Software engineers and programmers working together!

13 October 20th 2009 / BACnet and China The BACnet community looks forward to working with our colleagues from BIG-CN, SAC/TC426 and elsewhere to make BACnet a success in China and worldwide!


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