Table Of Contents - MSA FL500 Operating Manual

Contents
1. Modbus Interface ...................................................................................................................................... 5
1.1. Baud Rate ........................................................................................................................................ 5
1.2. Data Format ..................................................................................................................................... 5
1.3. Modbus Read Status Protocol (Query/Response) ........................................................................... 5
1.3.1 Modbus Read Query Message ........................................................................................................ 5
1.3.2 Modbus Read Response Message .................................................................................................. 6
1.4. Modbus Write Command Protocol (Query/Response)..................................................................... 6
1.4.1 Modbus Write Query Message ......................................................................................................... 6
1.4.2 Modbus Write Response Message .................................................................................................. 6
1.5. Function Codes Supported .............................................................................................................. 7
1.6. Exception Responses and Codes .................................................................................................... 7
2. Operational Mode Commands ................................................................................................................ 8
3. Operational Mode Command Register Details .................................................................................... 10
3.1. Analog (00H) .................................................................................................................................. 10
3.2. Mode (01H) .................................................................................................................................... 10
3.3. Fault (02H) ..................................................................................................................................... 11
3.4. Factory Use Only (03H) ................................................................................................................. 11
3.5. Model Type (04H) .......................................................................................................................... 11
3.6. Software Revision (05H) ................................................................................................................ 11
3.7. Input Voltage (06H) ........................................................................................................................ 11
3.8. Switch Override (07H) .................................................................................................................... 12
3.9. Options (08H) ................................................................................................................................. 13
3.10. Comm Address (09H) .................................................................................................................... 13
3.11. Comm Baud Rate (0BH) ................................................................................................................ 14
3.12. Comm Data Format (0CH) ............................................................................................................. 14
3.13. UV Signal Count (0DH) .................................................................................................................. 15
3.14. IR Signal Count (0EH) .................................................................................................................... 15
3.15. Remote Reset (11H) ...................................................................................................................... 15
3.16. Remote Alarm Test (12H) .............................................................................................................. 15
3.17. Unit Temperature (13H) ................................................................................................................. 15
3.18. Clear COPM Faults (14H) .............................................................................................................. 15
3.19. Serial Number (15H, 16H) .............................................................................................................. 16
3.20. HART Enable (1D) ......................................................................................................................... 16
FL500 Modbus Communication Operating Manual
Contents
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