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FS-8704-09 SNMP Driver Manual Page 6 of 39
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4. Configuring the FieldServer as a SNMP 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 SNMP Agent/Server. Please refer to Appendix A: for a discussion of how to receive
SNMP TRAPS.
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 SNMP 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 Function Legal Values
Data_Array_Name Provide name for Data Array
Up to 15 alphanumeric
characters
Data_Array_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 by the map descriptors for the
data being placed in this array.
1-10,000
Example
// Data Arrays
Data_Arrays
Data_Array_Name, Data_Format, Data_Array_Length
DA_AI_01, UInt16, 200
DA_AO_01, UInt16, 200
DA_DI_01, Bit, 200
DA_DO_01, Bit, 200