Teledyne 9110TH - Nitrogen Oxides Analyzer - Manual (Page 14)

Model 9110TH NOx Analyzer Table of Contents
Teledyne Analytical Instruments xiv
4.8.1. Range Units ............................................................................................................................................................ 80
4.8.2. Dilution Ratio .......................................................................................................................................................... 81
4.9. SETUP  PASS: Password Feature ............................................................................................................................. 82
4.10. SETUP  CLK: Setting the Internal Time-of-Day Clock .............................................................................................. 84
4.11. SETUP  MORE  COMM: Setting Up the Analyser’s Communication Ports ........................................................... 86
4.11.1. DTE and DCE Communication ............................................................................................................................. 86
4.11.2. COM Port Default Settings ................................................................................................................................... 86
4.11.3. Communication Modes, Baud Rate and Port Testing ........................................................................................... 87
4.11.4. Analyzer ID ........................................................................................................................................................... 91
4.11.5. RS-232 COM Port Cable Connections ................................................................................................................. 92
4.11.6. RS-485 Configuration of COM2 ............................................................................................................................ 94
4.11.7. Ethernet Interface Configuration ........................................................................................................................... 94
4.11.8. USB Port Setup .................................................................................................................................................. 100
4.11.9. Multidrop RS-232 Set Up .................................................................................................................................... 102
4.11.10. MODBUS SETUP ............................................................................................................................................. 105
4.12. SETUP  MORE  VARS: Internal Variables (VARS) ............................................................................................. 107
4.12.1. Setting the Gas Measurement Mode .................................................................................................................. 109
4.13. SETUP  MORE  DIAG: Diagnostics MENU ........................................................................................................ 110
4.13.1. Accessing the Diagnostic Features..................................................................................................................... 111
4.13.2. Signal I/O ............................................................................................................................................................ 111
4.13.3. Analog Output Step Test .................................................................................................................................... 113
4.13.4. ANALOG OUTPUTS and Reporting Ranges ...................................................................................................... 114
4.13.5. ANALOG I/O CONFIGURATION ........................................................................................................................ 117
4.13.6. ANALOG OUTPUT CALIBRATION .................................................................................................................... 131
4.13.7. Other DIAG Menu Functions .............................................................................................................................. 140
4.14. SETUP – ALRM: Using the Optional Gas Concentration Alarms (OPT 67) ................................................................ 148
4.15. Remote Operation ...................................................................................................................................................... 149
4.15.1. Remote Operation Using the External Digital I/O ............................................................................................... 149
4.15.2. Remote Operation .............................................................................................................................................. 151
4.15.3. Additional Communications Documentation ....................................................................................................... 158
4.15.4. Using the 9110TH/M with a Hessen Protocol Network ....................................................................................... 158
5. Calibration Procedures ......................................................................................................................................................... 165
5.1.1. Interferents for NO
X
Measurements ...................................................................................................................... 165
5.2. Calibration Preparations ............................................................................................................................................... 166
5.2.1. Required Equipment, Supplies, and Expendables ................................................................................................ 166
5.2.2. Zero Air ................................................................................................................................................................. 166
5.2.3. Span Calibration Gas Standards & Traceability .................................................................................................... 167
5.2.4. Data Recording Devices ....................................................................................................................................... 168
5.2.5. NO
2
Conversion Efficiency (CE) ........................................................................................................................... 168
5.3. Manual Calibration ....................................................................................................................................................... 173
5.4. Calibration Checks ....................................................................................................................................................... 177
5.5. Manual Calibration with Zero/Span Valves ................................................................................................................... 178
5.6. Calibration Checks with Zero/Span Valves ................................................................................................................... 181
5.7. Calibration With Remote Contact Closures .................................................................................................................. 182
5.8. Automatic Calibration (AutoCal) ................................................................................................................................... 183
5.9. Calibration Quality Analysis .......................................................................................................................................... 186
6. Instrument Maintenance ....................................................................................................................................................... 187
6.1. Maintenance Schedule ................................................................................................................................................. 187
6.2. ...................................................................................................................................................................................... 189
6.3. Predictive Diagnostics .................................................................................................................................................. 191
6.4. Maintenance Procedures .............................................................................................................................................. 191
6.4.1. Changing the Sample Particulate Filter ................................................................................................................ 191
6.4.2. Changing the O
3
Dryer Particulate Filter ............................................................................................................... 193
6.4.3. Maintaining the External Sample Pump ................................................................................................................ 194
6.4.4. Changing the NO
2
Converter ................................................................................................................................ 195
6.4.5. Cleaning the Reaction Cell ................................................................................................................................... 196
6.4.6. Changing Critical Flow Orifices ............................................................................................................................. 198
6.4.7. Checking for Light Leaks ...................................................................................................................................... 199
7. Troubleshooting & Repair .................................................................................................................................................... 201
7.1. General Troubleshooting .............................................................................................................................................. 201
7.1.1. Fault Diagnosis with Warning Messages .............................................................................................................. 202
7.1.2. Fault Diagnosis with Test Functions ..................................................................................................................... 204
7.1.3. Using the Diagnostic Signal I/O Function ............................................................................................................. 205
7.1.4. Status LED’s ......................................................................................................................................................... 207
7.2. Gas Flow Problems ...................................................................................................................................................... 210