FS-8700-01_Modbus_RTU_(T28700-01) Driver Manual Table of Contents
FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web:www.FieldSer ver.com
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Table of Contents
1. Modbus RTU/ Modbus ASCII Description....................................................................... 3
2. Driver Scope of Supply.....................................................................................................4
2.1. Supplied by FieldServer Technologies for this driver....................................................4
2.2. Provided by Supplier of 3
rd
Party Equipment................................................................ 4
3. Hardware Connections..................................................................................................... 5
4. Configuring the FieldServer as a Modbus RTU or Modbus ASCII Client................ ...... 6
4.1. Data Arrays/Descriptors............................................................................................... 6
4.2. Client Side Connection Descriptors..............................................................................7
4.3. Client Side Node Descriptors....................................................................................... 8
4.4. Client Side Map Descriptors.........................................................................................9
4.4.1. FieldServer Related Map Descriptor Parameters.................................................. 9
4.4.2. Driver Related Map Descriptor Parameters........................................................... 9
4.4.3. Timing Parameters................................................................................................9
4.4.4. Map Descriptor Examples....................................................................................10
5. Configuring the FieldServer as a Modbus RTU or Modbus ASCII Server....................11
5.1. Server Side Connection Descriptors...........................................................................11
5.2. Server Side Node Descriptors.....................................................................................12
5.3. Server Side Map Descriptors......................................................................................13
5.3.1. FieldServer Specific Map Descriptor Parameters.................................................13
5.3.2. Driver Specific Map Descriptor Parameters .........................................................13
5.3.3. Map Descriptor Examples....................................................................................14
Appendix A. Advanced Topics – Modbus RTU..................................................................15
Appendix A.1. Data Types..................................................................................................15
Appendix A.2. Single Writes................................................................................................16
Appendix A.3. Read/write Operation...................................................................................16
Appendix A.4. Managing Floating points with Modbus........................................................17
Appendix A.5. Connection to York Modbus Microgateway..................................................18
Appendix A.6. Node_Offline_Response..............................................................................19
Appendix B. Modbus ASCII - Examples of FieldServer setup for typical clients....... .....20
Appendix B.1. FieldServer with GE Cimplicity as client.......................................................20
Appendix B.2. FieldServer with Intellution FIX as a client....................................................20