Fluid Components International LLC
i
ST100 Series Modbus Operation
06EN003406 Rev. A
Table of Contents
Introduction .......................................................................................................................................................................................................................1ST100 Modbus Basic Setup .............................................................................................................................................................................................1
Setting the ST100 for Modbus Operation .....................................................................................................................................................................1
ST100 Modbus Commands...............................................................................................................................................................................................2ST100 Process Data Registers .........................................................................................................................................................................................2Totalizer Description .........................................................................................................................................................................................................2
Process Data - Table 1 ...................................................................................................................................................................................................2
ST100 Modbus Service Registers ....................................................................................................................................................................................4
Examples of Totalizer Service Registers using MODSCAN 32 ....................................................................................................................................4Service Data - Table 2 ...................................................................................................................................................................................................4
APPENDIX A
Engineering Unit Codes Table .......................................................................................................................................................................................7
APPENDIX B
Instrument Faults Codes Table ......................................................................................................................................................................................9
APPENDIX C
Customer Service / Technical Support ........................................................................................................................................................................11
