Appendix A _________________________________________________________ BACnet Reference
VAISALA ________________________________________________________________________ 85
Device Object
Note the following:
- Writable means writable via BACnet.
-
Max_Master
and
Max_Info_Frames
are required in a Master device.
-
UV
= Configured at Vaisala factory to a unique value. See additional
information after the table.
Table 18
Device Object Properties
Property
Data type
(Application Type)
Writable
(Conforma
nce Code)
Value or Initial Value
Persistence
Object_Identifier
BACnetObjectIdentifier
Y (R)
02 00 00 00 (hex)
Object Type = 8,
Instance = xxxxxxx
UV
Nonvolatile
Object_Name
CharacterString[50]
Y (R)
"xMW9x_xxxxxxxx"
UV
Nonvolatile
Object_Type
BACnetObjectType
(ENUMERATED)
N (R)
8 (Device Object)
Fixed
System_Status
BACnetDeviceStatus
(ENUMERATED)
N (R)
0 (Operational)
Volatile
Vendor_Name
Character String
N (R)
"Vaisala Oyj"
Fixed
Vendor_Identifier
Unsigned16
N (R)
339
Fixed
Model_Name
CharacterString
N (R)
"HMW95"
Nonvolatile
Firmware_Revision
CharacterString
N (R)
X.X.X.X (BACnet interface) Fixed
Application_Software_R
evision
CharacterString
N (R)
X.X.X.X
Fixed
Location
Character String[50]
Y (O)
“Location”
Nonvolatile
Description
Character String[50]
Y (O)
“Description”
Nonvolatile
Protocol_Version
Unsigned
N (R)
1
Fixed
Protocol_Revision
Unsigned
N (R)
4
Fixed
Protocol_Services
BACnetProtocolServices
Supported (BIT STRING)
N (R)
Read Property
Read Property Multiple
Write Property
Device Communication
Control
Reinitialize Device
Who-Is
Who-Has
Fixed
Protocol_Object_Types
_Supported
BACnetObjectTypesSupp
orted (BIT STRING)
N (R)
Analog Input
Analog Value
Device
Fixed
Object_List
BACnetARRAY[N]of
BACnetObjectIdentifier
N (R)
Device Object
AI2 (Relative Humidity)
AI3 (Temperature)
AI4 (Dewpoint)
AI5 (Dewpoint (Tdf))
AI6 (Dewpoint depression)
AI7 (Wet bulb temperature)
AI8 (Absolute humidity)
AI9 (Mixing ratio)
AI10 (Enthalpy)
AV1 (Pressure)
AV2 (Altitude)
Fixed
