FS-8704-06 BACnet IP Driver Manual

Page 11 of 24

5.4.2.Driver Specific Map Descriptor Parameters

Section Title

 

 

 

Map Descriptors

 

 

 

Column Title

Function

Legal Values

 

 

One of the Node Names

Node_Name

Name of Node to fetch data from

specified in “Server Side

 

 

Node Descriptors” above

Data_Type

Data type in Controller

AI, AO, AV, BI, BO, BV, MI,

MO, MV

9

 

 

 

 

 

 

Object_ID

Address of the object

0, 1, 2, 3, …4194303

Property

The object property to read

Present_Value

 

 

 

Units*

The object units

Refer to Appendix D,

No-Units

 

 

Data_Array_Low_Scale*

Scaling zero in Data Array

-32767 to 32767, 0

 

 

 

Data_Array_High_Scale*

Scaling max in Data Array

-32767 to 32767, 100

Node_Low_Scale*

Scaling zero in Connected Node

-32767 to 32767, 0

 

 

 

Node_High_Scale*

Scaling max in Connected Node

-32767 to 32767, 100

 

 

 

Active_Text10

Specify the Active Text property of

Any legal BACnet Ascii

 

the Object

string

 

Inactive_Text10

Specify the Inactive Text property of

Any legal BACnet Ascii

 

the Object

string

 

Relinquish_Default10

Specify the startup

 

 

Relinquish_Default Property value

Any Float value

 

for this Object

 

 

 

This over-writes the Data_Type with

 

 

Custom_Type

a numerical value for the

1..1023

 

 

Data_Type. e.g. Analog Value = 2

 

 

 

This over-writes the Property with a

 

 

Custom_Prop

numerical value for the property.

1..4194303

 

e.g. Present Value = 85

 

 

9Refer to Appendix A.1 for further information.

10See the BACnet DFS to determine if a particular object supports this property

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FieldServer FS-8704-06 instruction manual Driver Specific Map Descriptor Parameters, Mo, Mv