User Guide
FS-8700-86 Carrier DataPort              Page 8 of 32 
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4.4.  Client Side Map Descriptors 
4.4.1.  FieldServer Related 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_Location  Starting location in Data Array 
0  to  maximum  specified  in  “Data 
Array” section above 
Function  Function of Client Map Descriptor  Rdbc, Wrbc, Wrbx 
4.4.2.  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” above 
Data_Type 
This  commonly  used  parameter  is  not 
required for this driver. 
Length 
Length of Map Descriptor. When reading a 
compete  table,  set  the  length  to  the 
maximum number of data values you want 
stored. 
Additional  information  on  the  length 
parameter is provided in Appendix A.3. 
1 – 1000 
Address  This commonly used parameter is not required for this driver. 
Store_As* 
Use  the  ASCII  or  AsciiLog format  when 
you  are  discovering  the  variables 
contained in a table by reading a table. 
Refer to Appendix A for more information. 
ASCII, AsciiLog, Values 
DA_Byte_Name* 
If defined, the driver stores the ‘field status’ 
value in this array. 
The  name  of  a  Data  Array 
defined  in  the  Data_Array 
section of the configuration file. 
DA_Float_Name*
If defined, the  driver  stores the ‘field units’ 
value in this array. 
The  name  of  a  Data  Array 
defined  in  the  Data_Array 
section of the configuration file. 
4.4.3.  Timing Parameters 
Column Title  Function  Legal Values 
Scan_Interval  Rate at which data is polled  >0.1s 










