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BACnet Web Service
Table Of Contents
Overview
The SCADA Engine BACnet Web Service provides a means to integrate building automation
and control systems with other enterprise computing applications using SOAP/XML
technologies. This allows Platforms such as Microsoft .Net or Java
to access real time data from a building automation system.
Potential uses of the technology include the following :-
- Display of Real Time Data onto a HTML Web page.
- Simplifying access to building energy and performance data for inclusion in spreadsheets and other management reports.
- Accessing equipment run-time data for use by maintenance management systems.
- Allowing tenant control of space temperature setpoints.
- Coupling of room scheduling with ventilation and comfort control .
Web Services Supported
The BACnet Web Service implements the following Services.
| BACnet Service |
Supported |
| getValue |
Yes |
| getValues |
Yes |
| getRelativeValues |
Yes |
| getArray |
Yes |
| getArrayRange |
Yes |
| getArraySize |
Yes |
| setValue |
Yes |
| setValues |
Yes |
| getDefaultLocale |
Yes |
| getSupportedLocals |
Yes |
| getHistoryPeriodic |
No |
BACnet Services Supported
The BACnet Web Service implements the following services listed in the the table.
| BACnet Service |
Initiate |
Execute |
| Who Is |
Yes |
Yes |
| I Am |
Yes |
Yes |
| Who Has |
Yes |
Yes |
| I Have |
Yes |
Yes |
| Read Property |
Yes |
Yes |
| Write Property |
Yes |
Yes |
| Device Communication Control |
Yes |
Yes |
| ReinitializeDevice |
Yes |
Yes |
| Atomic Read File |
Yes |
Yes |
| Atomic Write File |
Yes |
Yes |
| Time Synchronization |
Yes |
Yes |
| UTC Time Synchronization |
Yes |
Yes |
| Subscribe COV |
Yes |
Yes |
| Subscribe COV Property |
Yes |
Yes |
| Confirmed COV Notification |
Yes |
Yes |
| Unconfirmed COV Notification |
Yes |
Yes |
| Read Property Multiple |
Yes |
Yes |
| Read Property Conditional |
- |
- |
| Read Range |
Yes |
Yes |
| Write Property Multiple |
Yes |
Yes |
| Get Alarm Summary |
Yes |
Yes |
| Get Event Information |
Yes |
Yes |
| Get Enrollment Summary |
Yes |
Yes |
| Acknowledge Alarm |
Yes |
Yes |
| Confirmed Event Notification |
Yes |
Yes |
| Unconfirmed Event Notification |
Yes |
Yes |
| Unconfirmed Text Message |
Yes |
Yes |
| Confirmed Text Message |
Yes |
Yes |
| Add List Element |
Yes |
Yes |
| Remove List Element |
Yes |
Yes |
| Create Object |
Yes |
Yes |
| Delete Object |
Yes |
Yes |
| Unconfirmed Private Transfer |
Yes |
Yes |
| Confirmed Private Transfer |
Yes |
Yes |
| VT Open |
- |
- |
| VT Data |
- |
- |
| VT Close |
- |
- |
| Life Safety Operation |
Yes |
Yes |
| Get Event Information |
Yes |
Yes |
BACnet Object Types Supported
The BACnet Web Service implements the following objects listed in the the table.
| BACnet Object |
Creatable |
Deletable |
| AnalogInput |
Yes |
Yes |
| AnalogOutput |
Yes |
Yes |
| AnalogValue |
Yes |
Yes |
| BinaryInput |
Yes |
Yes |
| BinaryOutput |
Yes |
Yes |
| BinaryValue |
Yes |
Yes |
| Calendar |
Yes |
Yes |
| Command |
Yes |
Yes |
| Device |
No |
No |
| EventEnrolment |
Yes |
Yes |
| File |
No |
No |
| Group |
Yes |
Yes |
| Loop |
Yes |
Yes |
| MultistateInput |
Yes |
Yes |
| MultistateOutput |
Yes |
Yes |
| NotificationClass |
Yes |
Yes |
| Program |
No |
No |
| Schedule |
Yes |
Yes |
| Averaging |
Yes |
Yes |
| MultistateValue |
Yes |
Yes |
| TrendLog |
Yes |
Yes |
| LifeSafetyPoint |
Yes |
Yes |
| LifeSafetyZone |
Yes |
Yes |
| Accumulator |
Yes |
Yes |
| PulseConverter |
Yes |
Yes |
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