Device object – Vaisala GMW90 User Manual

Page 88

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User's Guide _______________________________________________________________________

86 ___________________________________________________________________ M211659EN-B

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)

"xMW9xx_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)

Product model.

For example, “GMW95”

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

AI1 (Carbon Dioxide)

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

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