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FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web:www.fieldserver.com
Tel: (408) 262-2299 Fax: (408) 262-9042 Toll_Free: 888-509-1970 email: support@fieldserver.com
4. Configuring the FieldServer as a Carrier DataLink Client
It is not possible to configure communication with a DataLink device until familiar with the data
available from the devices connected to the DataLink. The DataLink device does not provide a
method for discovering the data tables and variables that are available in all the Carrier devices.
In order to configure the Client it is necessary to know the names of the data tables available in
the devices connected via the CCN network to the data link. A partial list of available tables is
provided in Appendix A.1. If you know the table names and the variable names that you wish to
poll then you have enough information to complete the configuration. If you have table names
but do not know variable names then we provide a method of discovering the variable names.
This method is discussed in chapter 6. If you do not have the table names then you will need to
consult with the Carrier Corporation before proceeding.
For a detailed discussion on FieldServer configuration, please refer to the FieldServer
Configuration manual. The information that follows describes how to expand upon the factory
defaults provided in the configuration files included with the FieldServer (See “.csv” sample files
provided with the FieldServer).
This section documents and describes the parameters necessary for configuring the FieldServer
to communicate with a Carrier DataLink Server.
The configuration file tells the FieldServer about its interfaces, and the routing of data required.
In order to enable the FieldServer for Carrier DataLink communications, the driver independent
FieldServer buffers need to be declared in the “Data Arrays” section, the destination device
addresses need to be declared in the “Client Side Nodes” section, and the data required from
the servers needs to be mapped in the “Client Side Map Descriptors” section. Details on how to
do this can be found below.
Note that in the tables, * indicates an optional parameter, with the bold legal value being the
default.
4.1. Data Arrays/Descriptors
Section Title
Data_Arrays
Column Title Function Legal Values
Data_Array_Name Provide name for Data Array
Up to 15 alphanumeric
characters
Data_Format
Provide data format. Each data
array can only take on one format.
FLOAT, BIT, UInt16, SInt16,
Packed_Bit, Byte,
Packed_Byte, Swapped_Byte
Data_Array_Length
Number of Data Objects. Must be
larger than the data storage area
required for the data being placed in
this array.
1-10,000