Driver Manual
FieldServer Technologies 1991 Tarob Court, Milpitas, California 95035 (408) 262-2299 fax: (408) 262-9042
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Page 8
4.4
Client Side Map Descriptors
4.4.1
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_Location
Starting location in Data Array
0 to maximum specified in
“Data Array” section above
Function
Function of Client Map
Descriptor
The use of the WRBX keyword
is recommended for DART
configurations as
communications are minimized.
RDBC, WRBC, WRBX,
Passive
4.4.2
Timing Parameters
Column Title
Function
Legal Values
Scan_Interval
Rate at which data is polled
>0.1s
4.4.3
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 “Client Node
Descriptor” above
Length
Length of Map Descriptor
1 The length must always be
set to one.
Address
Starting address of read block
Not required for client
configuration. This parameters
is used in simulation
configuration only.
The following parameters apply only to the Dart Driver.
DA_Func*
Tell the driver to poll the device
for all the data that is available.
The data is device specific.
Other uses of this parameter are
permitted. These uses are
discussed in the Advanced
Topics section of this manual.
Everything
See table 4.4.3.1 for a map of
how the data is stored in the
Fieldserver data arrays
Summary of Contents for Dart FS-8700-78
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