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FS-8704-06 BACnet IP Driver Manual Page 7 of 24
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4.4. Client Side Map Descriptors
4.4.1. FieldServer Related Map Descriptor Parameters
Section Title
Map Descriptors
Column Title Function Legal Values
Map_Descriptor_Name Name of this Map Descriptor
Up to 32 alphanumeric
characters
Data_Array_Name
Name of Data Array where
data is to be stored in the
FieldServer
One of the Data Array names
from “Data Array” section above
Data_Array_Offset Starting location in Data Array 0 to (“Data_Array_Length” -1)
Function
Function of Client Map
Descriptor
Rdbc, Wrbc, Wrbx, Ars
4.4.2. Driver Related Map Descriptor Parameters
Section Title
Map Descriptors
Column Title Function Legal Values
Node_Name Name of remote Server Node.
One of the Node_Names
specified in “Client Side Node
Descriptors” above
Data_Type Data type
AI, AO, AV, BI, BO, BV, MI,
MO, MV
5
Object_ID Address of the object 0, 1, 2, 3, …4194303
Property* The BACnet property to be read
Present_Value
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
Write_Priority*
Allows the driver to specify the
write priority used to write an
output. See also Appendix B.2
1..16, 16
Custom Type
This over-writes the Data_Type
with a numerical value for the
Data_Type. e.g. Analog Value =
2
1..1023
Custom_Prop
This over-writes the Property with
a numerical value for the
property. e.g. Present Value = 85
1..4194303
4.4.3. Timing Parameters
Section Title
Map Descriptors
Column Title Function Legal Values
Scan_Interval* Rate at which data is polled
0-32000s, 2s
5
Refer to Appendix A.1 for further information.