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Teledyne API – Model T300/T300M CO Analyzer Table of Contents
xvii
13.4.3.2. Sync/Demod Status LEDs......................................................................................................... 314
13.4.3.3. Photo-Detector Temperature Control........................................................................................ 315
13.4.3.4. Dark Calibration Switch ............................................................................................................. 315
13.4.3.5. Electric Test Switch ................................................................................................................... 315
13.4.4. Relay Board ...................................................................................................................................... 315
13.4.4.1. Heater Control ........................................................................................................................... 315
13.4.4.2. GFC Wheel Motor Control......................................................................................................... 315
13.4.4.3. Zero/Span Valve Options .......................................................................................................... 316
13.4.4.4. IR Source................................................................................................................................... 316
13.4.4.5. Status LEDs............................................................................................................................... 317
13.4.4.6. I2C Watch Dog Circuitry............................................................................................................ 317
13.4.5. MotherBoard ..................................................................................................................................... 318
13.4.5.1. A to D Conversion ..................................................................................................................... 318
13.4.5.2. Sensor Inputs ............................................................................................................................ 318
13.4.5.3. Thermistor Interface .................................................................................................................. 319
13.4.5.4. Analog Outputs.......................................................................................................................... 319
13.4.5.5. Internal Digital I/O...................................................................................................................... 319
13.4.5.6. External Digital I/O..................................................................................................................... 319
13.4.6. I
2
C Data Bus ..................................................................................................................................... 320
13.4.7. Power Supply/ Circuit Breaker.......................................................................................................... 320
13.4.8. Front Panel Touchscreen/Display Interface...................................................................................... 322
13.4.8.1. LVDS Transmitter Board ........................................................................................................... 322
13.4.8.2. Front Panel Touchscreen/Display Interface PCA...................................................................... 322
13.5. Software Operation................................................................................................................................. 323
13.5.1. Adaptive Filter ................................................................................................................................... 323
13.5.2. Calibration - Slope and Offset........................................................................................................... 324
13.5.3. Measurement Algorithm.................................................................................................................... 324
13.5.4. Temperature and Pressure Compensation....................................................................................... 324
13.5.5. Internal Data Acquisition System (DAS) ........................................................................................... 324
14. A PRIMER ON ELECTRO-STATIC DISCHARGE .......................................................... 325
14.1. How Static Charges are Created............................................................................................................ 325
14.2. How Electro-Static Charges Cause Damage ......................................................................................... 326
14.3. Common Myths About ESD Damage..................................................................................................... 327
14.4. Basic Principles of Static Control............................................................................................................ 328
14.4.1. General Rules ................................................................................................................................... 328
14.4.2. Basic anti-ESD Procedures for Analyzer Repair and Maintenance ................................................. 329
14.4.2.1. Working at the Instrument Rack ................................................................................................ 329
14.4.2.2. Working at an Anti-ESD Work Bench........................................................................................ 330
14.4.2.3. Transferring Components from Rack to Bench and Back......................................................... 330
14.4.2.4. Opening Shipments from Teledyne API’ Customer Service ..................................................... 331
14.4.2.5. Packing Components for Return to Teledyne API’s Customer Service .................................... 331
LIST OF APPENDICES
APPENDIX A - VERSION SPECIFIC SOFTWARE DOCUMENTATION
APPENDIX B - T300/T300M SPARE PARTS LIST
APPENDIX C - REPAIR QUESTIONNAIRE - T300
APPENDIX D - SCHEMATICS
06864B DCN6314