FieldServer FS-8700-08 - Manual (Page 2)

FS-8700-01 Modbus RTU/ASCIIFS-8700-01_Modbus_RTU.doc Driver Manual Table of Contents
FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web: www.fieldserver.com
Tel: (408) 262 2299 Fax: (408) 262 2269 Toll Free: (888) 509 1970 email: [email protected]
TABLE OF CONTENTS
1 Modbus RTU/ Modbus ASCII Description ....................................................................................................... 3
2 Driver Scope of Supply ................................................................................................................................... 3
2.1 Supplied by FieldServer Technologies for this driver ................................................................................... 3
2.2 Provided by Supplier of 3
rd
Party Equipment ............................................................................................... 3
3 Hardware Connections ................................................................................................................................... 4
4 Data Array Parameters ................................................................................................................................... 5
5 Configuring the FieldServer as a Modbus RTU or Modbus ASCII Client. .......................................................... 6
5.1 Client Side Connection Parameters .............................................................................................................. 6
5.2 Client Side Node Parameters ....................................................................................................................... 7
5.3 Client Side Map Descriptor Parameters ....................................................................................................... 8
5.3.1 FieldServer Related Map Descriptor Parameters ..................................................................................... 8
5.3.2 Driver Related Map Descriptor Parameters ............................................................................................. 8
5.3.3 Timing Parameters ................................................................................................................................... 9
5.3.4 Map Descriptor Examples. ..................................................................................................................... 10
6 Configuring the FieldServer as a Modbus RTU or Modbus ASCII Server ........................................................ 11
6.1 Server Side Connection Parameters ........................................................................................................... 11
6.2 Server Side Node Parameters .................................................................................................................... 12
6.3 Server Side Map Descriptor Parameters .................................................................................................... 13
6.3.1 FieldServer Specific Map Descriptor Parameters ................................................................................... 13
6.3.2 Driver Specific Map Descriptor Parameters ........................................................................................... 13
6.3.3 Map Descriptor Examples ...................................................................................................................... 14
6.3.4 Slave_Id .................................................................................................................................................. 14
Appendix A. Useful Features – Modbus RTU ........................................................................................................ 15
Appendix A.1. Managing Floating points with Modbus ........................................................................................... 15
Appendix A.1.1. Transferring non-integer values with one register ................................................................. 15
Appendix A.1.2. Transferring 32 bit values with two registers ......................................................................... 16
Appendix A.2. Node_Offline_Response................................................................................................................... 16
Appendix B. Troubleshooting ............................................................................................................................... 18
Appendix B.1. Server Configuration of System Station Address.............................................................................. 18
Appendix C. Vendor Information ......................................................................................................................... 19
Appendix C.1. Connection to York Modbus Microgateway ..................................................................................... 19
Appendix C.2. Modbus ASCII - Examples of FieldServer setup for typical clients .................................................... 19
Appendix C.2.1. FieldServer with GE Cimplicity as client .................................................................................. 19
Appendix C.2.2. FieldServer with Intellution FIX as a client .............................................................................. 19
Appendix D. Reference ........................................................................................................................................ 21
Appendix D.1. Data Types ........................................................................................................................................ 21
Appendix D.2. Single Writes .................................................................................................................................... 21