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Table of Contents Model GFC7000TA Carbon Dioxide Analyzer
Teledyne Analytical Instruments xiv
10.5.4. Touchscreen Interface .......................................................................................................................... 242
10.5.5. LCD Display Module ............................................................................................................................. 242
10.5.6. Relay Board .......................................................................................................................................... 243
10.5.7. Sensor Assembly .................................................................................................................................. 243
10.5.8. Motherboard ......................................................................................................................................... 245
10.5.9. CPU ...................................................................................................................................................... 249
10.5.10. RS-232 Communications .................................................................................................................... 249
10.6. Repair Procedures ....................................................................................................................................... 251
10.6.1. Repairing Sample Flow Control Assembly ............................................................................................ 251
10.6.2. Removing/Replacing the GFC Wheel ................................................................................................... 252
10.6.3. Disk-On-Module Replacement Procedure ............................................................................................ 253
11. A PRIMER ON ELECTRO-STATIC DISCHARGE ............................................................................................... 255
11.1. How Static Charges are Created .................................................................................................................. 255
11.2. How Electro-Static Charges Cause Damage ............................................................................................... 256
11.3. Common Myths About ESD Damage ........................................................................................................... 257
11.4. Basic Principles of Static Control .................................................................................................................. 257
LIST OF APPENDICES
APPENDIX A - VERSION SPECIFIC SOFTWARE DOCUMENTATION, L.8
APPENDIX A-1: Models GFC 7000TA and GFC 7000E Software Menu Trees
APPENDIX A-2: GFC 7000 Series Setup Variables
APPENDIX A-3: GFC 7000 Series Warnings and Test Measurements
APPENDIX A-4: GFC 7000 Series Signal I/O Definitions
APPENDIX A-5: GFC 7000 Series DAS Triggering Events
APPENDIX A-6: GFC 7000 Series DAS Parameters
APPENDIX A-7: Terminal Command Designators
APPENDIX A-8: Terminal Key Assignments
APPENDIX A-9: GFC 7000 Series MODBUS Register
APPENDIX B - SPARE PARTS LIST and RECOMMENDED SPARES STOCKING LEVELS
APPENDIX C - REPAIR QUESTIONNAIRE
APPENDIX D - ELECTRONIC SCHEMATICS