FS-8704-02_BacnetEthernet.doc Driver Manual Page 12 of 20
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5.4. Server Side Map Descriptors 5.4.1. FieldServer Specific Map Descriptor Parameters 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 maximum specified in
“Data Array” section above
Function Function of Server Map
Descriptor Server
5.4.2. Driver Specific Map Descriptor Parameters Column Title Function Legal Values
Node_Name Name of Node to fetch
data from
One of the node names
specified in “Server Node
Descriptor” above
Data_Type Data type in PLC Note 2
Object_ID Address of the object 0, 1, 2, 3, …
Property The object property to
read Present value
Units The object units See Error! Reference source
not found.
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_Text2 Specify the Active Text
property of the Object Any legal BACnet ASCII string
Inactive_Text1 Specify the Inactive Text
property of the Object Any legal BACnet ASCII string
Relinquish_Default1 Specify the startup
Relinquish_Default
Property value for this Any legal BACnet ASCII string
Note 2 AI - ANALOG INPUT BV - BINARY_VALUE
AO - ANALOG_OUTPUT MI - MULTI_STATE_INPUT
AV - ANALOG_VALUE MO - MULTI_STATE_OUTPUT
BI - BINARY_INPUT MV - MULTI_STATE_VALUE
BO - BINARY_OUTPUT DI - DIGITAL_INPUT
DO - DIGITAL_OUTPUT
2 See the BACnet DFS to determine if a particular object supports this property