Teledyne GFC-7000T - Trace CO2 Analyzer - manual - Manual (Page 12)

Table of Contents Model GFC7000TA Carbon Dioxide Analyzer
Teledyne Analytical Instruments xii
6.2.1. Test Functions .......................................................................................................................................... 65
6.2.2. Warning Messages ................................................................................................................................... 67
6.3. Calibration Mode .............................................................................................................................................. 68
6.4. SETUP MODE.................................................................................................................................................. 69
6.5. SETUP  CFG: Viewing the Analyzer’s Configuration Information ................................................................. 70
6.6. SETUP  ACAL: Automatic Calibration .......................................................................................................... 70
6.7. SETUP  DAS: Using the Data Acquisition System (DAS) ............................................................................. 71
6.7.1. DAS Structure ........................................................................................................................................... 72
6.7.2. Default DAS Channels .............................................................................................................................. 74
6.7.3. Remote DAS Configuration....................................................................................................................... 88
6.8. SETUP  RNGE: Analog Output Reporting Range Configuration .................................................................. 89
6.8.1. Physical Range versus Analog Output Reporting Ranges ........................................................................ 90
6.8.2. Reporting Range Modes ........................................................................................................................... 90
6.8.3. Single Range Mode (SNGL) ..................................................................................................................... 92
6.8.4. Dual Range Mode (DUAL) ........................................................................................................................ 93
6.8.5. Auto Range Mode (AUTO)........................................................................................................................ 94
6.8.6. Range Units .............................................................................................................................................. 95
6.8.7. Dilution Ratio ............................................................................................................................................ 96
6.9. SETUP  PASS: Password Feature ............................................................................................................... 97
6.10. SETUP  CLK: Setting the Internal Time-of-Day Clock ................................................................................ 99
6.11. SETUP  MORE COMM: Using the Analyzer’s Communication Ports .................................................... 101
6.11.1. Analyzer ID ........................................................................................................................................... 101
6.11.2. COM Port Default Settings .................................................................................................................... 102
6.11.3. RS-485 Configuration of COM2 ............................................................................................................ 105
6.11.4. DTE and DCE Communication ............................................................................................................. 105
6.11.5. COM Port Communication Modes ........................................................................................................ 106
6.11.6. Remote Access via the Ethernet ........................................................................................................... 108
6.11.7. Multidrop RS-232 Set Up ...................................................................................................................... 114
6.11.8. COM Port Baud Rate ............................................................................................................................ 116
6.11.9. COM Port Testing ................................................................................................................................. 117
6.12. SETUP  MORE  VARS: Internal Variables (VARS) ............................................................................... 118
6.13. SETUP  MORE  DIAG: Using the Diagnostics Functions ..................................................................... 120
6.13.1. Accessing the Diagnostic Features ....................................................................................................... 121
6.13.2. Signal I/O .............................................................................................................................................. 121
6.13.3. Analog Output Step Test ...................................................................................................................... 122
6.13.4. Analog I/O Configuration ...................................................................................................................... 123
6.13.5. Electric Test .......................................................................................................................................... 136
6.13.6. Dark Calibration Test ............................................................................................................................ 137
6.13.7. Pressure Calibration ............................................................................................................................. 138
6.13.8. Flow Calibration .................................................................................................................................... 139
6.13.9. Test Channel Output ............................................................................................................................. 140
6.14. SETUP MORE  ALRM: Using the Gas Concentration Alarms ............................................................... 141
6.14.1. Setting the Concentration Alarm Limits ................................................................................................. 142
6.15. Remote Operation of the Analyzer ............................................................................................................... 142
6.15.1. Remote Operation Using the External Digital I/O .................................................................................. 142
6.15.2. Remote Operation Using the External Serial I/O .................................................................................. 146
6.15.3. Additional Communications Documentation ......................................................................................... 153
6.15.4. Using the GFC 7000TA with a Hessen Protocol Network ..................................................................... 153
7. CALIBRATION PROCEDURES ............................................................................................................................ 161
7.1. Before Calibration ........................................................................................................................................... 161
7.1.1. Zero Air and Span Gas ........................................................................................................................... 161
7.1.2. Calibration Gas Traceability .................................................................................................................... 162
7.1.3. Data Recording Devices ......................................................................................................................... 162
7.2. Manual Calibration without Zero/Span Valves ................................................................................................ 162
7.3. Manual Calibration Checks ............................................................................................................................ 165
7.4. Manual Calibration with Zero/Span Valves ..................................................................................................... 166
7.5. Manual Calibration Checks with Zero/Span Valves ........................................................................................ 171
7.5.1. Zero/Span Calibration on Auto Range or Dual Ranges .......................................................................... 172
7.5.2. Use of Zero/Span Valves with Remote Contact Closure ........................................................................ 173
7.6. Automatic Zero/Span Cal/Check (AutoCal) .................................................................................................... 173
7.6.1. AutoCal with Auto or Dual Reporting Ranges Modes Selected .............................................................. 176
7.7. Calibration Quality .......................................................................................................................................... 176