NFMT 11 BACnet Fundamentals 101
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Transcript of NFMT 11 BACnet Fundamentals 101
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BACnet Fundamentals 101
Roy KolasaBACnet International, Education Co-Chair
Honeywell International, Open System Integration Market Manager
SESSION NO.: XX.XX TUESDAY, MARCH 15, 2011 ROOM NO.: 3XX
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BACnet Fundamentals• What is BACnet?• Why BACnet?• BACnet Overview• Resources for BACnet Education
Building Automation Control Network (BACnet)
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The BACnet Community
BACnet Standard Development
• Clarifications• Corrections• Extensions
BACnet Community Development
• Education• Testing• Promotion
plus regional BACnet Interest Groups developing in the Middle East and Asia
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BACnet Standard• Enables effective
communication among intelligent building devices and systems
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Partial BACnet International member listing, not all BACnet companies represented
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BACnet Testing Laboratories• Established under direction and continued supervision of
BACnet International
• Independent testing of products for conformance to the standard
• Open to all manufacturers
• Public listing of tested products
• BTL “Mark” on tested products
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Among the many initiatives undertaken by BACnet International are interoperability workshops or “plugfests.”At last Fall’s workshop, more than 35 companies took part in a 3-day event of validating product interoperability –Basic & Advanced Functionality
BTL Sponsored – One-on-One & Roundtable testingCustomer & Supplier sponsored – ensure compatibility
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BACnet is Comprehensive• System-wide
– Building level controllers– Unitary controllers (VAV, RTU …)– Component interfaces (chillers, air-handlers, etc)
• Multi-level– Backbone Ethernet TCP/IP– Subnet over RS-485
• Cross-functional interfaces– HVAC– Lighting– Access control– Security – Fire/safety
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Protocol Implementation Conformance Statement (PICS)Data Link Layer
Point-to-PointMS/TP (Preferred for Mixed Vendor configurations)Arcnet, LonEthernet & IP (Must define)
BACnet Interoperability Building Blocks (BIBBs)Data sharing. Alarm and event management. Scheduling. Trending. Device management
Standard Device ProfilesBACnet operator workstation. BACnet building controller. BACnet advanced application controller (B-AAC). BACnet application-specific controller (B-ASC). BACnet smart actuator. BACnet smart sensor
BACnet Technology
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Open System Standard Functionality
Open System Functionality
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Open System Standard Functionality with BACnet Client – Operator Workstation
Client Open System Functionality & Support
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Lessons LearnedBACnet Specifications & Enforcement to ensure compliant systems & devicesIntegrated and coordinated control sequencesFacility Manager & End-User Input into requirements (Alarms, Graphics, Reports, Trending) Consultant and Master System Integrator (MSI) knowledgeable of existing systems & current standardsIntegrators & Installers need to be trainedOpen communication protocols enable system integration & subsystem interoperability
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Recommended BACnet Education
X X X BI Web Site – Education Tab: FAQ, Resources, Webinars, Links
X X Fee Based Workshops by ASHRAE & Independent ConsultantsX BTL Plugfest, Interoperability Test Session
X BI Guide Specification – Specifying BACnet Educational SessionX X X BACnet Educational Tracks – Facility Decisions, AHR, NFMT
X BTL Working GroupsX X SSPC 135 Corresponding Member
X X X BACnet.org Web Site – Free Tutorials & White papers
End-User
Consultant/Specifier
Manufacturer/Programmer
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BACnet Made Simple
Times are changingCollaborative standards = evolving solutions
Systems installationSmarter controls systems = new installation opportunities
Can I afford a multi-vendor BACnet system?
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Traditional SystemsThe tradition multi-vendor system
Field engineeredHighly customized
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Home Entertainment
Traditional Systems
Building Management System
PowerMetering
Lighting SecurityHVAC Controls
Common Commands achieved with multiple protocol translators (PTs)• Multiple standards• Multiple programming techniques
PT PT PT PT
PT PT PT
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Architecting a system:• Start with a blank slate
– Field engineered system– Installed by controls specialists
• Field provided – User software installation– Controller programs – Trends, alarms, graphics, etc– System interaction features– Energy management features
Highly engineered system = highly skilled labor
Traditional Systems
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Integrated Systems
The integrated multi-vendor system
Common methods & toolsCommon interface techniques
Broader usage
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Home Entertainment
PowerMetering
Lighting SecurityHVAC Controls
Building Management System
Common Commands achieved with one common protocol translator (PT)• Single device support of multiple standards• Common programming & tools
PT
PT
Integrated Systems
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Integrated Systems
Architecting a system:• Starts with integrated features
– Factory engineered systems– Installed by controls knowledgeable
• Controls integrated – User software– Controller programs – Trends, alarms, graphics, etc– System interaction features– Energy management features
Integrated system = “less” skilled labor
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Evolving Solutions
What’s being changed?The job startup process is changing
- Reduced labor and field required expertise• Improved controller discovery• Improved programming and commissioning• Factory integrated controllers• Easily assembled customer user interfaces
Integrated Systems = Effective multi-vendor BACnet solutions
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Thank You
– Additional Questions
Visit: www.BACnetInternational.org
Roy KolasaBACnet Education CommitteeHoneywell International, Inc.Office: 816-505-3568E-Mail: [email protected]