Appendix C: BACnet Objects
44 (56)
Device Object Type
Property Identifier
Property Datatype
Value
ASHRAE
Anybus
Object_Identifier
BACnetObjectIdentifier
(Device, 246000)
R
R
Object_Type
BACnetObjectType
DEVICE (8) (Device Object
Type)
R
R
System_Status
BACnetDeviceStatus
OPERATIONAL (0)
R
R
Protocol_Version
Unsigned
1
R
R
Protocol_Revision
Unsigned
12
R
R
Protocol_Services_ Supported
BACnetServiceSupported
Refer to section x [Service
Types]
R
R
Protocol_Object_Types_
Supported
BACnetObjectTypes
Supported
Refer to section x [Object
Types]
R
R
Object_List
BACnetArray[N] of
BACnetObjectIdentifier
BACnetARRAY[N]
R
R
Structured_Object_List
BACnetArray[N] of
BACnetObjectIdentifier
-
O
-
Max_APDU_Length_
Accepted
Unsigned
480 when MSTP
1476 when BACnet/IP
R
R
Segmentation_Supported
BACnetSegmentation
SEGMENTED-BOTH (0)
R
R
Max_Segments_accepted
Unsigned
16
O
R
VT_Classes_Supported
List of BACnetVTClass
-
O
-
Active_VT_Sessions
List of BACnetVTSession
-
O
-
Local_Date
Date
Current date
O
R
Local_Time
Time
Current time
O
R
UTC_Offset
INTEGER
-
O
-
Daylight_Savings_Status
BOOLEAN
-
O
-
APDU_Segment_Timeout
Unsigned
3000
R
R
APDU_Timeout
Unsigned
3000
R
R
Number_of_APDU_
Retries
Unsigned
3
R
R
List_Of_Session_Keys
List of BACnetSessionKey
-
O
-
Time_Synchronization_
Recipients
List of BACnetRecipient
-
O
-
Max_Master * **
Unsigned
127
R
W
Max_Info_Frames *
Unsigned
1
O
R
Device_Address_Binding
List of BACnetAddressBinding
NULL (empty)
R
R
Database_Revision
Unsigned
0
R
R
Configuration_Files
BACnetArray[N] of
BACnetObjectIdentifier
-
O
-
Last_Restore_Time
BACnetTimeStamp
-
O
-
Backup_Failure_Timeout
Unsigned16
-
O
-
Active_COV_ Subscriptions
List of
BACnetCOVSubscription
List of BACnetCOVSubscription O
R
Slave_Proxy_Enable
BACnetArray[N] of BOOLEAN
-
O
-
Manual_Slave_Address_ Binding
List of BACnetAddressBinding
-
O
-
Auto_Slave_Discovery
BACnetArray[N] of BOOLEAN
-
O
-
Slave_Address_Binding
BACnetAddressBinding
-
O
-
Last_Restart_Reason
BACnetRestartReason
-
O
-
Time_Of_Device_Restart
BACnetTimeStamp
-
O
-
Restart_Notification_
Recipients
List of BACnetRecipient
-
O
-
UTC_Time_ Synchronization_
Recipients
List of BACnetRecipient
-
O
-
Time_Synchronization_ Interval
Unsigned
-
O
-
Modbus to BACnet Gateway User Manual
SCM-1202-049 1.0