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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