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VAV T4 RT VAV Zone Controller
BACnet Communication Module User Guide
www.deos-controls.com
Page | 5
Device Object Properties
The following table lists all the BACnet properties supported for the device object. The W indicates that the property is
writable using the BACnet
WriteProperty
service.
Table 2 - Device Object Properties
Property
Value
Writable
Object_Identifier
Programmable where the instance part of the Object_Identifier is in the range of
0-4194302
The device instance must be unique system-wide
The default value for the device instance=877002 (Vendor_Identifier*1000)
W
Object_Name
VAV T4 RT, programmable up to 32 Bytes
W
Description
Programmable up to 32 Bytes (default: BACnet Zone controller)
W
Object_Type
Device
System_Status
Operational
Vendor_Identifier
Always 877
Vendor_Name
Always DEOS Controls
Model_Name
Example, VAVT4RT
Firmware_Revision
currently, 1.2
Application_Software_Version
currently, 2.07
Protocol_Version
Always 1
Protocol_Revision
Always 14
DataBase_Revision
5
Max_APDU_Length_Accepted
Always 480
Segmentation_Supported
(3) = No Segmentation
APDU_Timeout
6,000
W
Number_of_APDU_Retries
Always 3
Local_Time
00:00:00
W
Local_Date
01-Jan-2015 (Thu)
W
UtC_Offset
-300 minutes
W
Daylight_Savings_Status
False
W
Backup_Failure_Timeout
300
W
Configuration_Files
File-1
Last_Restore_Time
2017-04-13 (Thu), 00:00:00:00
Backup_And_Restore_State
IDLE
Backup_Preparation_Time
0
Restore_Completion_Time
0
Restore_Preparation_Time
0
Protocol_Services_Supported
subscribeCOV
atomicReadFile
atomicWriteFile
readProperty
readPropertyMultiple
WriteProperty
writePropertyMultiple
deviceCommunicationControl
reinitializeDevice
unconfirmedPrivateTransfer
timeSynchronization
who-Has
who-Is
utcTimeSynchronization
subscribeCOVProperty
Protocol_Object_Types_Supported
analog-input
analog-output
analog-value
binary-input
binary-output
binary-value
device
file
program
schedule
multi-state-value
Object_List
100
Device_Address_Binding
Always empty
Max_Master
Programmable in the range of 1-127 (default: 127)
W
Max_Info_Frames
Always 1
Active_COV_Subscription
Empty by default. COV subscription will be lost on a power cycle.
Property_List
List of properties that exist within the object.