Definitions:
R: Read access
W: Write access
| Property | Type | Access | Description |
|---|---|---|---|
| Object_Identifier1 | BACnetObjectIdentifier | R | The object number (instance) for the DEV object |
| Object_Type | BACnetObjectType | R | The DEV object type – DEVICE |
| Object_Name | CharacterString | R | The DEV object name |
| System_Status | BACnetDeviceStatus | R | Reflects the current status of the device |
| Vendor_Name | CharacterString | R | Manufacturer of the device |
| Vendor_Identifier | Unsigned16 | R | The unique vendor identification code |
| Model_Name | CharacterString | R | Model of the device |
| Firmware_Revision | CharacterString | R | Level of firmware installed on the device |
| Application_Software_Version | CharacterString | R | Version of the application software installed on the device |
| Protocol_Version | Unsigned | R | Indicates the BACnet protocol version |
| Protocol_Revision | Unsigned | R | Indicates the BACnet protocol revision |
| Max_APDU_Length_Accepted | Unsigned | R | Maximum number of octets that may be contained in a single APDU |
| Segmentation_Supported | BACnetSegmentation | R | Indicates if the device supports segmentation |
| APDU_Timeout | Unsigned | R | The time in milliseconds between retransmission of an APDU that requires acknowledgment |
| Number_Of_APDU_Retries | Unsigned | R | Maximum number of times an APDU is transmitted |
| Protocol_Services_Supported | BACnetServicesSupported | R | Indicates which standardized protocol services are executed by the device |
| Protocol_Object_Types_Supported | BACnetOBjectTypesSupported | R | Indicates which standardized object types can be present in the device |
| Object_List | BACnetARRAY[N] of BACnetObjectIdentifier | R | Indicates the list of objects accessible on the device |
| Max_Master1 | Unsigned(0..127) | R | The Max Master of the device |
| Max_Info_Frames | Unsigned | R | The Max Info Frames of the device |
| Device_Address_Binding | BACnetLIST of BACnetAddressBinding | R | List of Address Bindings |
| Database_Revision | Unsigned | R | Revision number for the device's database |
| Property_List | BACnetARRAY[N] of BACnetPropertyIdentifier | R | Array of the supported object properties |
| Property | Type | Access | Description |
|---|---|---|---|
| Object_Identifier | BACnetObjectIdentifier | R | The object number (instance) for the NC object |
| Object_Type | BACnetObjectType | R | The NC object type – NOTIFICATION_CLASS |
| Object_Name | CharacterString | R | The NC object name |
| Notification_Class | Unsigned | R | Indicates the Instance of the Notification_Class |
| Priority | BACnetARRAY[3] of Unsigned | R | Conveys the priority to be used for event notifications for TO_OFFNORMAL, TO_FAULT, and TO_NORMAL |
| Ack_Required | BACnetEventTransitionBits | R | Conveys whether acknowledgment is required for a notification generated for TO_OFFNORMAL, TO_FAULTS, and TO_NORMAL event transitions. |
| Recipient_List | BACnetLIST of BACnetDestination | R/W |
Conveys a list of up to 1 recipient destinations to which destinations are sent. Limited to 1 recipient with valid days set to all days, from time as 00:00:00.00, to time as 23:59:59.99 and transitions as (TRUE,TRUE,TRUE) |
| Property_List | BACnetARRAY[N] of BACnetPropertyIdentifier | R | Array of the supported object properties |
| Property | Type | Access | Description |
|---|---|---|---|
| Object_Identifier | BACnetObjectIdentifier | R | The object number (instance) for the AV object |
| Object_Type | BACnetObjectType | R | The AV object type – ANALOG_VALUE |
| Object_Name | CharacterString | R | The AV object name |
| Present_Value | Real | R | The present float value of the AV object, Temperature or Flow, in the set displayed units |
| Units2 | BACnetEngineeringUnits | R |
The units of the present value, limits, and deadbands: 62 – Celsius 64 – Fahrenheit 74 – Meters / Second 77 – Feet / Minute 84 – Feet3 / Minute 87 – Liters / Second 88 – Liters / Minute 135 – Meters3 / Hour 142 – Feet3 / Second 191 – Feet3 / Hour |
| Out_Of_Service | Boolean | R | Boolean that represents if the reported value is not valid, such as during warm up |
| Status_Flags | BACnetStatusFlags | R | 4 bits that represent if the object is in the following states: IN_ALARM, FAULT, OVERRIDDEN, OUT_OF_SERVICE |
| Event_State | BACnetEventState | R | Indicates the event state of this object |
| High_Limit2 | Real | R | The device's high limit that triggers the alarm flags for this object |
| Low_Limit2 | Real | R | The device's low limit that triggers the alarm flags for this object |
| Deadband2 | Real | R | The device's set deadband for the object's alarm flag triggering |
| Time_Delay2 | Unsigned | R | The time delay in seconds for the object's alarm flag triggering |
| Time_Delay_Normal | Unsigned | R | The time delay in seconds for the object's alarm flag to return to normal |
| Limit_Enable | BACnetLimitEnable | R | The limit enable bits that represent if the object's alarms have the high and/or low limits enabled: Low_Limit_Enable, High_Limit_Enable |
| Event_Enable | BACnetEventTransitionBits | R |
Indicates what events are enabled: TO_OFFNORMAL, TO_FAULT, TO_NORMAL All are enabled if High and/or Low Limits are enabled. |
| Acked_Transitions | BACnetEventTransitionBits | R | Indicates the acknowledgment state for events |
| Event_Detection_Enable | Boolean | R | Indicates whether or not intrinsic reporting is enabled |
| Notification_Class | Unsigned | R | Indicates the instance of the Notification Class to use for events |
| Notify_Type | BACnetNotifyType | R | Indicates the notification type – Alarm |
| Event_Time_Stamps | BACnetARRAY[3] of BACnetTimeStamp | R | Conveys the times of the last TO_OFFNORMAL, TO_FAULT, and TO_NORMAL events as sequence numbers |
| Event_Message_Texts | BACnetARRAY[3] of CharacterString | R | Conveys the message text for the last TO_OFFNORMAL, TO_FAULT, and TO_NORMAL events |
| Event_Message_Texts_Config | BACnetARRAY[3] of CharacterString | R | The base text that defines the message text of Event_Message_Texts |
| Event_Algorithm_Inhibit | Boolean | R/W | Indicates whether or not the event algorithm is disabled for the object |
| Event_Algorithm_Inhibit_Ref | BACnetObjectPropertyReference | R | Indicates the property that controls Event_Algorithm_Inhibit - Unintialized |
| Reliability | BACnetReliability | R | Indicates if the Present_Value is reliable |
| Reliability_Evaluation_Inhibit | Boolean | R | Indicates whether or not reliability evaluation is disabled for the object |
| Property_List | BACnetARRAY[N] of BACnetPropertyIdentifier | R | Array of the supported object properties |
| Proprietary(1110)3 | BACnetEngineeringUnits | R | Units for proprietary properties 1112 and 1114. Shares the same enumerations as the Units property |
| Proprietary(1111)3 | CharacterString | R | Fan Sensor 1 Status |
| Proprietary(1112)3 | Real | R | Fan Sensor 1 Raw Value |
| Proprietary(1113)3 | CharacterString | R | Fan Sensor 2 Status (Status only available depending on device settings) |
| Proprietary(1114)3 | Real | R | Fan Sensor 2 Raw Value (Value only valid depending on device settings) |
1 These properties are configured through the
configuration menu on the device.
2 These properties are configured through the
configuration menu on the device.
3 The proprietary properties are only
available on AV objects 3-34.