FieldServer FS-8700-16 - Manual (Page 10)

FS-8700-16 BACnet PTP Serial Driver Manual Page 10 of 32
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4.5 Client Side Map Descriptors
Column Title Function Legal Values
Map_Descriptor_Name
Name of this Map Descriptor. This is used for
Object_Name Property. Refer to Appendix A.1.
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
Data_Array_Offset Starting location in Data Array 0 to (“Data_Array_Length” -1)
Function Function of Client Map Descriptor Rdbc, Wrbc, Wrbx, Ars
4.5.1 Driver Related Map Descriptor Parameters
Column Title Function Legal Values
Node_Name Name of Node to fetch data from
One of the node names
specified in “Client Node
Descriptor”
Object_Type
(Alias = Data_Type) Type of object. Refer to Appendix D.1 for more
information. AI, AO, AV, BI, BO, BV, MI,
MO, MV, NC
Object_Instance
(Alias = Address)
Instance of the object on the device. 0, 1, 2, 3, …4194303
Property The BACnet property to be read. Refer to Appendix D.2
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
Length*
Used to create an array of sequential Object_Instances
on an Object_Type. 1 to max point count of
the FieldServer, 1
Array_Index*
When referencing Multistate properties, allows the user
to specify the index of the property to be read. If 1 is
specified, the first one will be read, if 2 is specified, the
second will be read, etc. If 0 is specified, the driver will
return the total number (count) of array items linked to
the property. If the parameter is not specified, a list of
all items will be returned. Refer to Appendix A.3
0 to max number of array
items in the BACnet
Property, -
4.5.2 Timing Parameters
Column Title Function Legal Values
Scan_Interval* Rate at which data is polled 0-32000, 2s