Honeywell XNX - Appendix B - Modbus Protocol

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XNX Universal Transmitter

XNX Universal Transmitter Technical Manual

183

Appendix B - Modbus

Protocol

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Default Chapter3
- Table of Contents3
- Warnings ��5 2�1�1 Mounting the XNX ® Universal Transmitter7
- Cautions9
- Notes9
- Information � ��8 2�2�2 Distance Considerations For Installation10
Introduction11
- 1�1 Product Description12
- 1�2 Product Overview14
- 1�3 Options16
- 1�4 The Xnx Front Panel ��17 2�3�4 Foundation Fieldbus19
  - 1�4�1 Controls And Navigation20
- 1�5 Main Menu ��22 (Except Searchline Excel)24
  - 1�5�1 Xnx Menu Map25
Safety 2�1 Mounting and Location of Sensors30
2 �1MountingAndLocationOfSensors��2832
2�2 Wiring The Xnx Transmitter32
- 2�2�1 General Wiring Considerations32
- 2�2�3 Pod Connections38
- Settings39
- 2�2�5 Foundation Fieldbus Wiring40
- 2�2�7 Ec Personality Wiring41
  - Xnx Electrochemical Sensor Installation42
  - Xnx Ec Sensor Remote Mounting Kit43
- 2�2�8 MV Personality Wiring45
  - Searchline Excel48
  - Connecting Generic Ma Devices49
2�3 Options53
- 2�3�1 Local Hart Interface53
- 2�3�2 Relays55
2�4 Powering The Xnx For The First Time57
- 2�4�2 Lcd And Led Test58
Installation and Operation 2�4�3 XNX IR Units Configured for Searchline Excel58
2�5 Configuring The Xnx Universal Transmitter59
- Select Language59
2�6 Verifying The Xnx Configuration81
- 2�6�1 Test Menu81
  - Inhibit � ��79 3�2�6 Sensepoint/Sensepoint HT Calibrating ��9481
  - Force Ma Output82
    - Force Relays83
    - Alarm/Fault Simulation83
- 2�6�2 ? Information Menu85
3 Calibration92
3�1 Gas Calibration Menu92
- Zero Calibration93
- 3�2�3 Using The Calibration Cup95
- 3�2�5 705/705Ht Calibrating96
- 3�2�7 Calibrating The Searchpoint Optima Plus96
- Sulfide (H S) Sensors96
- 3�2�8 Zero And Span Calibration For Mpd Sensors99
- 3�2�10 Xnx Ec Sensor Operational Life100
- 3�2�9 Mpd Flammable Sensor Operational Life100
3 �4 CalibrateMaOutput��100103
3 �3FunctionalGasTesting(BumpTesting)��99103
3�6 Soft Reset103
Maintenance105
- 4�1 Mpd Sensor Cartridge Replacement106
- 4�2 XNX ® EC Sensor Cartridge Replacement107
  - 4�2�1 Replacing With The Same Cartridge Type107
  - 4�2�2 Replacing With A Different Cartridge Type108
5 Warnings and Faults109
- 5�1 Warning Messages110
- 5�2 Fault Messages115
- 5�3 Informational Messages126
Specifications129
- 6�1 Product Specifications130
- 6�2 Sensor Data132
- 6�3 Xnx Certifications By Part Number Series146
  - 6�3�1 Certification Labels150
- 6�4 Product Identification153
7 Control Drawings161
- 7�1 Xnx Ul/Inmetro162
- 7�2 Xnx Ul/Csa165
- 7�3 Remote Sensor Mount168
Appendix A - HART ® Protocol169
- A�1 HART ® Interface170
Appendix B - Modbus ® Protocol185
- B�1 Modbus And The Xnx Transmitter186
- B�2 Modbus Registers188
Appendix C - Warranty193
- Warranty Statement194
- Warranty Conditions194
Index198

Honeywell XNX - Appendix B - Modbus Protocol

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