User Guide
FS -8700-02 Modbus Plus     Driver Manual 
FieldServer Technologies 1991 Tarob Court, Milpitas, California 95035 (408) 262-2299 fax: (408) 262-9042 
Visit our website: www.fieldserver.com E-mail: support@fieldserver.com 
Page Index 
Table of Contents 
1.  Modbus Plus Description.............................................................................................................1 
1.1  Hardware/Software...............................................................................................................1 
2.  FieldServer as a Modbus Plus Client ............................................................................................3 
2.1  Hardware Connections ..........................................................................................................3 
2.2  Configuration File Structure...................................................................................................3 
2.2.1  Data Arrays.......................................................................................................................3 
2.2.2  Client Side Connections .....................................................................................................3 
2.2.3  Client Side Nodes..............................................................................................................3 
2.2.4  Client Side Map Descriptors...............................................................................................4 
3.  FieldServer as a Modbus Plus Server............................................................................................5 
3.1  Hardware Connections ..........................................................................................................5 
3.2  Configuration File Structure...................................................................................................5 
3.2.1  Data Arrays.......................................................................................................................5 
3.2.2  Server Side Connections ....................................................................................................5 
3.2.3  Server Side Nodes.............................................................................................................5 
3.2.4  Server Side Map Descriptors..............................................................................................6 
3.3  Examples of FieldServer setup for typical clients ....................................................................6 









