Sample Gas Reading via ModBus Network ............................................ 54
ModBus Register List ............................................................................... 54
ModBus Resources ................................................................................. 59
Termination .............................................................................................. 59
Chapter 7 | Maintenance ...................................................... 61
Introduction .............................................................................................. 61
Sensor Replacement ............................................................................... 62
Zero and Calibration ................................................................................ 62
Chapter 8 | Troubleshooting ............................................... 63
Introduction .............................................................................................. 63
Diagnosing Common Problems ............................................................... 63
Fault Codes .............................................................................................. 64
Function Codes ........................................................................................ 64
Chapter 9 | Warranty ............................................................ 67
Warranty .................................................................................................. 67
Limitation of Liability ................................................................................ 67
Appendix A | HART Interface .................................................. 69
Introduction .............................................................................................. 69
Hardware Overview ................................................................................. 70
Installation ................................................................................................ 71
System Wiring .......................................................................................... 71
Operation ................................................................................................. 76
HART Interface ........................................................................................ 79
User Commands ...................................................................................... 81
Appendix B | Acronyms and Abbreviations .......................... 87
Appendix C | Decimal, Binary, And Hex Equivalents ............ 91
Appendix D | Ordering Matrix ................................................. 95
Appendix E | Factory Default Settings ................................... 99
Appendix F | Infrared Sensors ............................................. 101
Appendix G | LEL Correlation Factors ................................. 103