Rosemount 2700 - SERIAL COMMUNICATIONS PROTOCOL; Command List

A-1
APPENDIX A
SOLU CUBE MODEL 2700
Section Title Page
1.0 Serial Communications Protocol (Rosemount)......................................................... A-1
1.1 Overview .................................................................................................................. A-2
1.2 Command List .......................................................................................................... A-2
1.3 Data Format.............................................................................................................. A-3
1.3.1 Read EEPROM ......................................................................................................... A-3
1.3.2 Read RAM ................................................................................................................ A-3
1.3.3 Reset Instrument ...................................................................................................... A-5
1.3.4 Send Base Address ................................................................................................. A-6
1.3.5 Send Instrument Status ............................................................................................ A-6
1.3.6 Send Measurement .................................................................................................. A-7
1.3.7 Send Scale Factors .................................................................................................. A-9
1.3.8 Send Sensor Status.................................................................................................. A-9
1.3.9 Send Software Version ............................................................................................. A-11
1.3.10 Send Units Text ........................................................................................................ A-11
1.3.11 Update EEPROM...................................................................................................... A-12
1.3.12 Write RAM................................................................................................................. A-12
2.0 Modbus Protocol ...................................................................................................... A-33
2.1 Overview .................................................................................................................. A-33
2.2 Modbus Register Map Summary ............................................................................. A-33
2.3 Register Description................................................................................................. A-34
2.4 Modbus Troubleshooting Guide............................................................................... A-46
LIST OF TABLES
Table Title Page
1 Commands............................................................................................................... A-13
2 Units and Sensor Type ............................................................................................. A-14
3 Scale Factor ............................................................................................................. A-15
4 Scale Bytes From Send Scale Factor Command..................................................... A-17
5 BasesByCode .......................................................................................................... A-19
6 BasesByValue .......................................................................................................... A-20
7 BasesByName.......................................................................................................... A-21
8 AdrOffsets ................................................................................................................ A-22
9 AdrByCode............................................................................................................... A-23
10 AdrByValue............................................................................................................... A-26
11 AdrByBase ............................................................................................................... A-29
12 Lexicon..................................................................................................................... A-32
13 Data.......................................................................................................................... A-39
14 Register .................................................................................................................... A-41
15 ErrorCodes ............................................................................................................... A-43
16 IntegerRes................................................................................................................ A-44
17 Units ......................................................................................................................... A-45
MODEL 2700 APPENDIX A
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