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4.8.1. Range Units ............................................................................................................................................................ 95
4.8.2. Dilution Ratio .......................................................................................................................................................... 96
4.9. SETUP PASS: Password Feature ............................................................................................................................. 97
4.10. SETUP CLK: Setting the Internal Time-of-Day Clock .............................................................................................. 99
4.11. SETUP MORE COMM: Setting Up the Analyser's Communication Ports ......................................................... 101
4.11.1. DTE and DCE Communication ........................................................................................................................... 101
4.11.2. COM Port Default Settings ................................................................................................................................. 101
4.11.3. Communication Modes, Baud Rate and Port Testing ......................................................................................... 102
4.11.4. Analyzer ID ......................................................................................................................................................... 106
4.11.5. RS-232 COM Port Cable Connections ............................................................................................................... 107
4.11.6. RS-485 Configuration of COM2 .......................................................................................................................... 108
4.11.7. Ethernet Interface Configuration ......................................................................................................................... 109
4.11.8. USB Port Setup .................................................................................................................................................. 115
4.11.9. Multidrop RS-232 Set Up .................................................................................................................................... 117
4.11.10. MODBUS Setup................................................................................................................................................ 120
4.12. SETUP MORE VARS: Internal Variables (VARS) ............................................................................................. 122
4.12.1. Setting the Gas Measurement Mode .................................................................................................................. 124
4.13. SETUP MORE DIAG: Diagnostics MENU ........................................................................................................ 125
4.13.1. Accessing the Diagnostic Features..................................................................................................................... 126
4.13.2. Signal I/O ............................................................................................................................................................ 126
4.13.3. Analog Output Step Test .................................................................................................................................... 128
4.13.4. Analog Outputs and Reporting Ranges .............................................................................................................. 129
4.13.5. Analog I/O Configuration .................................................................................................................................... 132
4.13.6. Analog Output Configuration .............................................................................................................................. 146
4.13.7. Other DIAG Menu Functions .............................................................................................................................. 155
4.14. SETUP - ALRM: Using the Optional Gas Concentration Alarms (OPT 67)................................................................ 163
4.15. Remote Operation ...................................................................................................................................................... 164
4.15.1. Remote Operation Using the External Digital I/O ............................................................................................... 164
4.15.2. Remote Operation .............................................................................................................................................. 166
4.15.3. Additional Communications Documentation ....................................................................................................... 173
4.15.4. Using the T200H/M with a Hessen Protocol Network ......................................................................................... 173
5. Calibration Procedures ......................................................................................................................................................... 181
5.2. Calibration Preparations ............................................................................................................................................... 182
5.2.1. Required Equipment, Supplies, and Expendables ................................................................................................ 182
5.2.2. Zero Air ................................................................................................................................................................. 182
5.2.3. Span Calibration Gas Standards & Traceability .................................................................................................... 182
5.2.4. Data Recording Devices ....................................................................................................................................... 183
Conversion Efficiency (CE) ........................................................................................................................... 183
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5.3. Manual Calibration ....................................................................................................................................................... 188
5.4. Calibration Checks ....................................................................................................................................................... 192
5.5. Manual Calibration with Zero/Span Valves ................................................................................................................... 193
5.6. Calibration Checks with Zero/Span Valves ................................................................................................................... 196
5.7. Calibration With Remote Contact Closures .................................................................................................................. 197
5.8. Automatic Calibration (AutoCal) ................................................................................................................................... 198
5.9. Calibration Quality Analysis .......................................................................................................................................... 201
6. Instrument Maintenance ....................................................................................................................................................... 203
6.1. Maintenance Schedule ................................................................................................................................................. 203
6.2. Predictive Diagnostics .................................................................................................................................................. 205
6.3. Maintenance Procedures.............................................................................................................................................. 205
6.3.1. Changing the Sample Particulate Filter ................................................................................................................ 205
6.3.3. Maintaining the External Sample Pump ................................................................................................................ 208
6.3.5. Cleaning the Reaction Cell ................................................................................................................................... 210
6.3.6. Changing Critical Flow Orifices ............................................................................................................................. 212
6.3.7. Checking for Light Leaks ...................................................................................................................................... 213
7. Troubleshooting & Service ................................................................................................................................................... 215
7.1. General Troubleshooting .............................................................................................................................................. 215
7.1.1. Fault Diagnosis with Warning Messages .............................................................................................................. 216
7.1.2. Fault Diagnosis with Test Functions ..................................................................................................................... 217
7.1.3. Using the Diagnostic Signal I/O Function ............................................................................................................. 218
7.1.4. Status LED's ......................................................................................................................................................... 220
7.2. Gas Flow Problems ...................................................................................................................................................... 223
7.2.1. T200H Internal Gas Flow Diagrams...................................................................................................................... 224
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Measurements ...................................................................................................................... 181
X
Dryer Particulate Filter ............................................................................................................... 207
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Converter ................................................................................................................................ 209
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Teledyne API - Model T200H/T200M Operation Manual
07270D DCN7141
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