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What is oBIX?

oBIX (Open Building Information Exchange) provides a framework for accessing and sharing technical details about various building systems, including HVAC, lighting, life safety, access control, security, and energy management. The data is structured based on the International System of Units (SI) and can range from simple measurements like room temperature to complex reports on system states across multiple locations. Access is facilitated through different services such as Discovery, Point, History, and Alarm Services, ensuring effective data interoperability in modern building management.

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What is oBIX?

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  1. What is oBIX?

  2. oBIX • Open – all technical details freely available • Building – any and all building systems • Information – pertinent system data • eXchange – interoperability

  3. Where is data buried? • HVAC • Lighting • Life Safety • Card Access • Security • Energy Management • etc

  4. What kind of data? • Simple: Room Temperature of Lobby • Lengthy: List of people currently in East Wing with time of entry • Complex: Current state of all systems across an entire university campus • Reports: Variation of internal humidity of sports hall over the last 6 months

  5. How is the data structured? • Simple data follows the SI system: • Mass in kilograms • Length in metres • Time in seconds • etc • More complex data structures are built from these

  6. How is the data accessed? • Data is accessed at a ‘Datapoint’ and exposed by a ‘Point Service’ • Datapoints are revealed by a ‘Discovery Service’ • Data trends are reported by a ‘History Service’ • Critical events are signalled by the ‘Alarm Service’

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