Configuring The Fieldserver As A Ge_Snp Client; Data Arrays/Descriptors - FieldServer FS-8700-66 GE SNP Manual

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4.

Configuring the FieldServer as a GE_SNP Client

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 GE_SNP Server.
4.1.

Data Arrays/Descriptors

The configuration file tells the FieldServer about its interfaces, and the routing of data
required. In order to enable the FieldServer for GE_SNP 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.
Section Title
Data_Arrays
Column Title
Data_Array_Name
Data_Array_Format
Data_Array_Length
Example
// Data Arrays
Data_Arrays
Data_Array_Name,
DA_AI_01,
DA_AO_01,
DA_DI_01,
DA_DO_01,
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Function
Provide name for Data Array
Provide data format. Each Data Array
can only take on one format.
Number of Data Objects. Must be
larger than the data storage area
required by the Map Descriptors for
the data being placed in this array.
Data_Format,
UInt16,
UInt16,
Bit,
Bit,
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Legal Values
Up to 15 alphanumeric
characters
Float, Bit, UInt16, SInt16,
Packed_Bit,
Packed_Byte,
Swapped_Byte
1-10,000
Data_Array_Length
200
200
200
200
Byte,