Table of ContentsTeledyne API – Model T300/T300M CO Analyzer
Teledyne
Analytical
Instruments
xiii
13.4.4.6. I2C Watch Dog Circuitry .............................................................................................................293
13.4.5. MotherBoard ......................................................................................................................................293
13.4.5.1. A to D Conversion ......................................................................................................................293
13.4.5.2. Sensor Inputs .............................................................................................................................294
13.4.5.3. Thermistor Interface ...................................................................................................................294
13.4.5.4. Analog Outputs ...........................................................................................................................295
13.4.5.5. Internal Digital I/O .......................................................................................................................295
13.4.5.6. External Digital I/O ......................................................................................................................295
13.4.6. I
2
C Data Bus ......................................................................................................................................295
13.4.7. Power Supply/ Circuit Breaker ...........................................................................................................296
13.4.8. Front Panel Touchscreen/Display Interface .......................................................................................298
13.4.8.1. LVDS Transmitter Board ............................................................................................................298
13.4.8.2. Front Panel Touchscreen/Display Interface PCA .......................................................................298
13.5.
Software Operation ..................................................................................................................................299
13.5.1. Adaptive Filter ....................................................................................................................................299
13.5.2. Calibration - Slope and Offset ............................................................................................................300
13.5.3. Measurement Algorithm .....................................................................................................................300
13.5.4. Temperature and Pressure Compensation ........................................................................................300
13.5.5. Internal Data Acquisition System (DAS) ............................................................................................300
14. A PRIMER ON ELECTRO-STATIC DISCHARGE .......................................................... 301
14.1.
How Static Charges are Created .............................................................................................................301
14.2.
How Electro-Static Charges Cause Damage ..........................................................................................302
14.3.
Common Myths About ESD Damage ......................................................................................................303
14.4.
Basic Principles of Static Control .............................................................................................................304
14.4.1. General Rules ....................................................................................................................................304
14.4.2. Basic anti-ESD Procedures for Analyzer Repair and Maintenance ..................................................305
14.4.2.1. Working at the Instrument Rack .................................................................................................306
14.4.2.2. Working at an Anti-ESD Work Bench .........................................................................................306
14.4.2.3. Transferring Components from Rack to Bench and Back ..........................................................306
14.4.2.4. Opening Shipments from Teledyne Customer Service ..............................................................307
14.4.2.5. Packing Components for Return to Teledyne Customer Service ..............................................308
GLOSSARY 309
LIST OF APPENDICES
APPENDIX A - VERSION SPECIFIC SOFTWARE DOCUMENTATION
APPENDIX B - GFC7001T/GFC7001TM SPARE PARTS LIST
APPENDIX C - REPAIR QUESTIONNAIRE - GFC7001T
APPENDIX D - SCHEMATICS
LIST OF FIGURES
Figure 3-1:
Front Panel Layout ....................................................................................................................... 33
Figure 3-2:
Display Screen and Touch Control .............................................................................................. 34
Figure 3-3:
Display/Touch Control Screen Mapped to Menu Charts ............................................................. 36
Figure 3-4:
Rear Panel Layout ....................................................................................................................... 37
Figure 3-5:
Internal Layout – GFC7001T ....................................................................................................... 39
Figure 3-6:
Internal Layout – GFC7001TM .................................................................................................... 40
Figure 3-7:
Optical Bench Layout (shorter bench, GFC7001TM, shown) ...................................................... 41
Figure 3-8:
Analog In Connector .................................................................................................................... 43
Figure 3-9:
Analog Output Connector ............................................................................................................ 44
Figure 3-10:
Current Loop Option Installed on Motherboard ........................................................................... 45