User ManualTable of Contents1. INTRODUCTION11.1. Features11.2. Using This Manual12. SPECIFICATIONS AND APPROVALS52.1. Specifications52.2. CE Mark Compliance73. GETTING STARTED93.1. Unpacking and Initial Set Up93.2. Front Panel113.3. Rear Panel153.4. Internal Layout173.5. Electrical Connections193.5.1. Power Connection203.5.2. Connecting Analog Inputs (Option 64)203.5.3. Connecting Analog Outputs213.5.4. Connecting the Status Outputs233.5.5. Connecting the Control Inputs243.5.6. Connecting the Communications Interfaces253.6. Pneumatic Connections253.6.1. Basic Pneumatic Connections263.6.2. Connections with Internal Valve Options Installed303.6.3. Pneumatic Connections in Multipoint Calibration Applications323.6.4. Setting the Internal Purge Air Pressure323.7. Initial Operation333.7.1. Startup333.7.2. Warm Up343.7.3. Warning Messages343.7.4. Functional Check363.8. Initial Calibration Procedure373.8.1. Initial O2 Sensor Calibration Procedure404. FREQUENTLY ASKED QUESTIONS454.1. FAQ’s454.2. Glossary465. OPTIONAL HARDWARE AND SOFTWARE515.1. Rack Mount Kits (Options 20A, 20B, 21 and 23)515.2. Current Loop Analog Outputs (Option 41)515.2.1. Converting Current Loop Analog Outputs to Standard Voltage Outputs525.3. Expendable Kits (Options 42C, 42D and 43)535.4. Calibration Valves Options545.4.1. Ambient Zero/Pressurized Span Valve545.4.2. Ambient Zero/Ambient Span Valve555.5. Communication Options575.5.1. Communications Cables575.5.2. RS-232 Multidrop (Option 62)575.6. Oxygen Sensor (OPT 65)585.6.1. Theory of Operation585.7. Special Features615.7.1. Dilution Ratio Option615.7.2. Maintenance Mode Switch615.7.3. Second Language Switch616. OPERATING INSTRUCTIONS636.1. Overview of Operating modes636.2. Sample Mode646.2.1. Test Functions656.2.2. Warning Messages676.3. Calibration Mode686.4. SETUP MODE696.5. SETUP CFG: Viewing the Analyzer’s Configuration Information706.6. SETUP ACAL: Automatic Calibration706.7. SETUP DAS: Using the Data Acquisition System (DAS)716.7.1. DAS Structure726.7.2. Default DAS Channels746.7.3. Remote DAS Configuration886.8. SETUP RNGE: Analog Output Reporting Range Configuration896.8.1. Physical Range versus Analog Output Reporting Ranges906.8.2. Reporting Range Modes906.8.3. Single Range Mode (SNGL)926.8.4. Dual Range Mode (DUAL)936.8.5. Auto Range Mode (AUTO)946.8.6. Range Units956.8.7. Dilution Ratio966.9. SETUP PASS: Password Feature976.10. SETUP CLK: Setting the Internal Time-of-Day Clock996.11. SETUP MORE COMM: Using the Analyzer’s Communication Ports1016.11.1. Analyzer ID1016.11.2. COM Port Default Settings1026.11.3. RS-485 Configuration of COM21056.11.4. DTE and DCE Communication1056.11.5. COM Port Communication Modes1066.11.6. Remote Access via the Ethernet1086.11.7. Multidrop RS-232 Set Up1146.11.8. COM Port Baud Rate1166.11.9. COM Port Testing1176.12. SETUP MORE VARS: Internal Variables (VARS)1186.13. SETUP MORE DIAG: Using the Diagnostics Functions1206.13.1. Accessing the Diagnostic Features1216.13.2. Signal I/O1216.13.3. Analog Output Step Test1226.13.4. Analog I/O Configuration1236.13.5. Electric Test1366.13.6. Dark Calibration Test1376.13.7. Pressure Calibration1386.13.8. Flow Calibration1396.13.9. Test Channel Output1406.14. SETUP MORE ALRM: Using the Gas Concentration Alarms1416.14.1. Setting the Concentration Alarm Limits1426.15. Remote Operation of the Analyzer1426.15.1. Remote Operation Using the External Digital I/O1426.15.2. Remote Operation Using the External Serial I/O1466.15.3. Additional Communications Documentation1536.15.4. Using the GFC 7000TA with a Hessen Protocol Network1537. CALIBRATION PROCEDURES1617.1. Before Calibration1617.1.1. Zero Air and Span Gas1617.1.2. Calibration Gas Traceability1627.1.3. Data Recording Devices1627.2. Manual Calibration without Zero/Span Valves1627.3. Manual Calibration Checks1657.4. Manual Calibration with Zero/Span Valves1667.5. Manual Calibration Checks with Zero/Span Valves1717.5.1. Zero/Span Calibration on Auto Range or Dual Ranges1727.5.2. Use of Zero/Span Valves with Remote Contact Closure1737.6. Automatic Zero/Span Cal/Check (AutoCal)1737.6.1. AutoCal with Auto or Dual Reporting Ranges Modes Selected1767.7. Calibration Quality1768. MAINTENANCE SCHEDULE & PROCEDURES1798.1. Maintenance Schedule1798.2. Predicting Failures Using the Test Functions1838.3. Maintenance Procedures1848.3.1. Replacing the Sample Particulate Filter1848.3.2. Rebuilding the Sample Pump1858.3.3. Performing Leak Checks1858.3.4. Performing a Sample Flow Check1868.3.5. Cleaning the Optical Bench1868.3.6. Cleaning Exterior Surfaces of the GFC 7000TA1869. THEORY OF OPERATION1879.1. Measurement Method1879.1.1. Beer’s Law1879.1.2. Measurement Fundamentals1879.1.3. Gas Filter Correlation1889.1.4. Interference and Signal to Noise Rejection1909.2. Pneumatic Operation1939.2.1. Sample Gas Flow1949.2.2. Flow Rate Control1949.2.3. Purge Gas Pressure Control1969.2.4. Particulate Filter1969.2.5. Pneumatic Sensors1969.3. Electronic Operation1979.3.1. Overview1979.3.2. CPU1999.3.3. Optical Bench & GFC Wheel2009.3.4. Synchronous Demodulator (Sync/Demod) Assembly2029.3.5. Relay Board2059.3.6. Mother Board2079.3.7. I2C Data Bus2109.3.8. Power Supply/ Circuit Breaker2119.4. Front Panel Touchscreen/Display Interface2129.4.1. LVDS Transmitter Board2129.4.2. Front Panel Touchscreen/Display Interface PCA2129.5. Software Operation2139.5.1. Adaptive Filter2139.5.2. Calibration - Slope and Offset2149.5.3. Measurement Algorithm2149.5.4. Temperature and Pressure Compensation2159.5.5. Internal Data Acquisition System (DAS)21510. TROUBLESHOOTING & REPAIR PROCEDURES21710.1. General Troubleshooting Hints21710.1.1. Interpreting WARNING Messages21810.1.2. Fault Diagnosis with TEST Functions22110.1.3. Using the Diagnostic Signal I/O Function22310.1.4. Internal Electronic Status LEDs22410.2. Gas Flow Problems22810.2.1. GFC 7000TA Internal Gas Flow Diagrams22910.2.2. Typical Sample Gas Flow Problems23210.2.3. Poor or Stopped Flow of Purge Gas23410.3. Calibration Problems23510.3.1. Miscalibrated23510.3.2. Non-Repeatable Zero and Span23610.3.3. Inability to Span – Touchscreen SPAN Button Not Visible23610.3.4. Inability to Zero – Touchscreen ZERO Button Not Visible23710.4. Other Performance Problems23810.4.1. Temperature Problems23810.4.2. Excessive Noise24010.5. Subsystem Checkout24110.5.1. AC Mains Configuration24110.5.2. DC Power Supply24110.5.3. I2C Bus24210.5.4. Touchscreen Interface24210.5.5. LCD Display Module24210.5.6. Relay Board24310.5.7. Sensor Assembly24310.5.8. Motherboard24510.5.9. CPU24910.5.10. RS-232 Communications24910.6. Repair Procedures25110.6.1. Repairing Sample Flow Control Assembly25110.6.2. Removing/Replacing the GFC Wheel25210.6.3. Disk-On-Module Replacement Procedure25311. A PRIMER ON ELECTRO-STATIC DISCHARGE25511.1. How Static Charges are Created25511.2. How Electro-Static Charges Cause Damage25611.3. Common Myths About ESD Damage25711.4. Basic Principles of Static Control257Front Panel Layout11Display Screen and Touch Control12Display/Touch Control Screen Mapped to Menu Charts14Rear Panel Layout15Internal Chassis Layout17Optical Bench Layout18GFC 7000TA Internal Gas Flow19Analog In Connector20Pneumatic Connections–Basic Configuration–Using Bottled Span Gas27Pneumatic Connections–Basic Configuration–Using Gas Dilution Calibrator27Pneumatic Connections with Ambient Zero/Ambient Span Valves (OPT 50A)30External Zero Air Scrubber30Pneumatic Connections with Ambient Zero/Pressurized Span Valves (OPT 50B)31External Zero Air Scrubber31Example of Pneumatic Set up for Multipoint Calibration32O2 Sensor Calibration Set Up40Current Loop Option Installed on the Motherboard52Internal Pneumatic Flow – Ambient Zero/Pressurized Span Valves55Internal Pneumatic Flow – Ambient Zero/Ambient Span56Multi-drop/LVDS PCA Seated on CPU58Oxygen Sensor - Principle of Operation59GFC 7000TA – Internal Pneumatics with O2 Sensor Option 6560Front Panel Display63Viewing TEST Functions66Viewing and Clearing GFC 7000TA WARNING Messages68Default DAS Channels Setup75APICOM User Interface for DAS Configuration88Analog Output Connector Pin Out89Rear Panel Connector Pin-Outs for COM1 & COM2 in RS-232 Mode103CPU Connector Pin-Outs for COM1 & COM2 in RS-232 Mode104Multidrop/LVDS PCA Seated on CPU114RS232-Multidrop PCA Host/Analyzer Interconnect Diagram115Setup for Calibrating Analog Voltage Outputs130Setup for Calibrating Current Outputs132Status Output Connector143Control Inputs145APICOM Remote Control Program Interface152Pneumatic Connections–Basic Configuration–Using Bottled Span Gas162Pneumatic Connections–Basic Configuration–Using Gas Dilution Calibrator163Pneumatic Connections – Ambient Zero/Pressurized Span Valves166Scrubber167Pneumatic Connections – Ambient Zero/Ambient Span Valves167Scrubber168Sample Particulate Filter Assembly184Measurement Fundamentals188GFC Wheel188Measurement Fundamentals with GFC Wheel189Affect of CO2 in the Sample on CO2 MEAS & CO2 REF190Effects of Interfering Gas on CO2 MEAS & CO2 REF191Chopped IR Signal191Internal Pneumatic Flow – Basic Configuration194Flow Control Assembly & Critical Flow Orifice195GFC 7000TA Electronic Block Diagram198CPU Board199GFC Light Mask201Segment Sensor and M/R Sensor Output202GFC 7000TA Sync / Demod Block Diagram203Sample & Hold Timing204Location of relay board Status LED’s207Power Distribution Block Diagram211Front Panel and Display Interface Block Diagram212Basic Software Operation213Viewing and Clearing Warning Messages219Example of Signal I/O Function224CPU Status Indicator225Sync/Demod Board Status LED Locations226Relay Board Status LEDs226GFC 7000TA – Basic Internal Gas Flow229Internal Pneumatic Flow – Ambient Zero/Pressurized Span Valves230Internal Pneumatic Flow – Ambient Zero/Ambient Span231GFC 7000TA – Internal Pneumatics with O2 Sensor Option 65A232Critical Flow Restrictor Assembly Disassembly251Opening the GFC Wheel Housing252Removing the GFC Wheel253Triboelectric Charging255Basic anti-ESD Work Station258Model GFC 7000TA Basic Unit Specifications5Display and Touchscreen Control Description13Rear Panel Description16Analog Input Pin Assignments21GFC 7000TA Analog Output Pin Outs22Status Output Pin-outs23Control Input Pin-outs24Rear Panel Pneumatic Connections26Front Panel Display During System Warm-Up34Possible Warning Messages at Start-Up35Ambient Zero/Pressurized Span Valve Operating States54Ambient Zero/Ambient Span Valve Operating States55Analyzer Operating modes64Test Functions Defined65List of Warning Messages67Primary Setup Mode Features and Functions69Secondary Setup Mode Features and Functions69Front Panel Sample LED Status Indicators for DAS71DAS Data Channel Properties72DAS Data Parameter Functions73Password Levels97Com Port Communication Modes106Ethernet Status Indicators108LAN/Internet Configuration Properties109Internet Configuration Touchscreen Functions113Table 6-14: Variable Names (VARS) Revision B.3118Table 6-15: GFC 7000TA Diagnostic (DIAG) Functions120Table 6-16: DIAG - Analog I/O Functions123Table 6-17: Analog Output Voltage Ranges124Table 6-18: Analog Output Current Loop Range125Table 6-19: Analog Output Pin Assignments125Table 6-20: Voltage Tolerances for Analog Output Calibration129Table 6-21: Current Loop Output Calibration with Resistor133Table 6-22: Test Parameters Available for Analog Output A4140Table 6-23: CO2 Concentration Alarm Default Settings141Table 6-24: Status Output Pin Assignments144Table 6-25: Control Input Pin Assignments145Table 6-26: Terminal Mode Software Commands146Table 6-27: Command Types147Table 6-28: Serial Interface Documents153Table 6-29: RS-232 Communication Parameters for Hessen Protocol154Table 6-30: Teledyne Instruments Hessen Protocol Response Modes156Table 6-31: Default Hessen Status Bit Assignments158Table 7-1: AUTOCAL Modes173Table 7-2: AutoCal ATTRIBUTE Setup Parameters173Table 7-3: Calibration Data Quality Evaluation176Table 8-1: GFC 7000TA Maintenance Schedule181Table 8-2: GFC 7000TA Test Function Record182Table 8-3: Predictive uses for Test Functions183Table 9-1: Sync/Demod Status LED Activity204Table 9-2: Relay Board Status LED’s206Table 10-1: Warning Messages - Indicated Failures220Table 10-2: Test Functions - Indicated Failures222Table 10-3: Sync/Demod Board Status Failure Indications225Table 10-4: I2C Status LED Failure Indications226Table 10-5: Relay Board Status LED Failure Indications227Table 10-6: DC Power Test Point and Wiring Color Codes241Table 10-7: DC Power Supply Acceptable Levels242Table 10-8: Relay Board Control Devices243Table 10-9: Opto Pickup Board Nominal Output Frequencies244Table 10-10: Analog Output Test Function - Nominal Values Voltage Outputs247Table 10-11: Analog Output Test Function - Nominal Values Current Outputs247Table 10-12: Status Outputs Check248Table 11-1: Static Generation Voltages for Typical Activities255Table 11-2: Sensitivity of Electronic Devices to Damage by ESD256Size: 3.5 MBPages: 280Language: EnglishOpen manual