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FS-8700-73 BACnet MSTP Driver Manual Page 7 of 24
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 BACnet MSTP 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 BACnet MSTP 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 BACnet MSTP 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_Format Provides data format
Float, Bit, Uint16, Uint32,
Sint16, Sint32, Packed_Bit,
Byte, Packed_Byte,
Swapped_Byte
Data_Array_Length Number of Data Objects 1-10,000
Example
// Data Arrays
Data_Arrays
Data_Array_Name, Data_Array_Format, Data_Array_Length
DA_AI_01, Float, 200
DA_AO_01, Float, 200
DA_DI_01, Bit, 200
DA_DO_01, Bit, 200
4.2. Setting the FieldServer Node_ID
Section Title
FieldServer
Column Title Function Legal Values
System_Node_ID
Specify the MAC_Address of the
FieldServer. (See Appendix C.1)
1-254
Example
// FieldServer
FieldServer
Title, System_Node_ID
BACnet_MSTP, 11