Main
Operation Manual
MODEL GFC 7001E FAMILY CARBON MONOXIDE ANALYZERS
Model GFC7001E Carbon Dioxide Analyzer
Teledyne Analytical Instruments 2
Copyright 2013 Teledyne Analytical Instruments
Safety Messages Model GFC7001E Carbon Dioxide Analyzer
Teledyne Analytical Instruments 3
SAFETY MESSAGES
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Warranty Model GFC7001E Carbon Dioxide Analyzer
Teledyne Analytical Instruments 5
WARRANTY
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ABOUT THIS MANUAL
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TABLE OF CONTENTS
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LIST OF APPENDICES
LIST OF FIGURES
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LIST OF TABLES
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1. INTRODUCTION
1.1. GFC 7001E FAMILY OVERVIEW
1.2. ADDITIONAL DOCUMENTATION
Introduction Model GFC7001E Carbon Dioxide Analyzer
Teledyne Analytical Instruments 25
1.2.1. USING THIS MANUAL
TABLE OF CONTENTS:
PART I GENERAL INFORMATION
Introduction Model GFC7001E Carbon Dioxide Analyzer
Teledyne Analytical Instruments 26
PART II OPERATING INSTRUCTIONS
PART III TECHNICAL INFORMATION
APPENDICES
2. SPECIFICATIONS AND APPROVALS
2.1. SPECIFICATIONS
Table 2-1: M 300E/300EM Basic Unit Specifications
2.2. EPA EQUIVALENCY DESIGNATION
2.3. TUV DESIGNATION
2.4. CE MARK COMPLIANCE
2.4.1. EMISSIONS COMPLIANCE
2.4.2. SAFETY COMPLIANCE
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3. GETTING STARTED
3.1. GFC 7001E/EM ANALYZER LAYOUT
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Figure 3-5: Optical Bench Layout
3.2. UNPACKING THE GFC 7001E/EM ANALYZER
3.2.1. VENTILATION CLEARANCE
Getting Started Model GFC7001E Carbon Dioxide Analyzer
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3.3. ELECTRICAL CONNECTIONS
3.3.1. POWER CONNECTION
CAUTION ELECTRICAL SHOCK HAZARD
CAUTION GENERAL SAFETY HAZARD
3.3.2. ANALOG OUTPUT CONNECTIONS
3.3.3. CONNECTING THE STATUS OUTPUTS
Figure 3-8: Status Output Connector Table 3-5: Status Output Signals
3.3.4. CONNECTING THE CONTROL INPUTS
+
-
Figure 3-9: Control Input Connector Table 3-6: Control Input Signals
3.4. PNEUMATIC CONNECTIONS
3.4.1. CALIBRATION GASES
3.4.1.1. Zero Air
3.4.1.2. Span Gas
3.4.2. PNEUMATIC CONNECTIONS TO GFC 7001E/EM BASIC CONFIGURATION
CAUTION
3.4.2.1. Sample Gas Source
3.4.2.2. Calibration Gas Sources
3.4.2.3. Input Gas Venting
3.4.2.4. Exhaust Outlet
3.5. INITIAL OPERATION
3.5.1. STARTUP
3.5.2. WARM UP
3.5.3. WARNING MESSAGES
Table 3-9: Possible Warning Messages at Start-Up
3.5.4. FUNCTIONAL CHECK
3.6. INITIAL CALIBRATION OF THE GFC 7001E/EM
3.6.1. INTERFERENTS FOR CO2 MEASUREMENTS
3.6.2. INITIAL CALIBRATION PROCEDURE FOR GFC 7001E/EM ANALYZERS WITHOUT OPTIONS
3.6.2.1. Verifying the GFC 7001E/EM Reporting Range Settings
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3.6.2.4. Zero/Span Calibration
To perform the zero/span calibration procedure, press:
3.6.3. O2 SENSOR CALIBRATION PROCEDURE
3.6.4. CO2 SENSOR CALIBRATION PROCEDURE
The GFC 7001E/EM Analyzer is now ready for operation
4. FREQUENTLY ASKED QUESTIONS
4.1. FAQS
4.2. GLOSSARY
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5. OPTIONAL HARDWARE AND SOFTWARE
5.1. EXTERNAL PUMPS (OPTIONS 10A-10E, 11, 13)
5.2. RACK MOUNT KITS (OPT 20 TO OPT 23)
5.3. CARRYING STRAP/HANDLE (OPT 29)
5.4. CURRENT LOOP ANALOG OUTPUTS (OPTION 41)
5.4.1. CONVERTING CURRENT LOOP ANALOG OUTPUTS TO STANDARD VOLTAGE OUTPUTS
5.5. EXPENDABLES AND SPARES KITS (OPTIONS 42A, 45)
5.6. CALIBRATION VALVES (OPTIONS 50A, 50B, 50E, 50H)
5.6.1. GENERAL INFORMATION RELATED TO ALL VALVE OPTIONS
5.6.1.1. Gas Flow Rate
5.6.1.2. Valve Control
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5.6.2.2. Pneumatic Set Up (OPT 50A)
5.6.2.3. Input Gas Venting
5.6.2.4. Exhaust Outlet
5.6.3. ZERO/SPAN/SHUTOFF VALVE (OPTION 50B)
5.6.3.1. Internal Pneumatics (OPT 50B)
5.6.3.2. Pneumatic Set Up (OPT 50B)
5.6.4. ZERO/SPAN VALVE WITH INTERNAL CO SCRUBBER (OPTION 50H)
5.6.4.1. Internal Pneumatics (OPT 50H)
Optional Hardware and Software Model GFC7001E Carbon Dioxide Analyzer
Teledyne Analytical Instruments 70
5.6.4.2. Pneumatic Set Up (OPT 50H)
5.6.5. ZERO/SPAN/SHUTOFF WITH INTERNAL ZERO AIR SCRUBBER (OPTION 50E)
5.6.5.1. Internal Pneumatics (OPT 50E)
5.6.5.2. Pneumatic Set Up (OPT 50E)
5.7. COMMUNICATION OPTIONS
5.7.1. RS-232 MODEM CABLE (OPTION 60A)
60C
60A
60B
5.7.3. ETHERNET (OPTION 63A)
5.7.4. ETHERNET + MULTIDROP (OPT 63C)
5.8. SECOND GAS SENSORS
5.8.1. OXYGEN SENSOR (OPTION 65A)
5.8.1.1. Theory of Operation - Paramagnetic measurement of O2
5.8.1.2. Operation within the GFC 7001E/EM Analyzer
5.8.1.3. Pneumatic Operation of the O2 Sensor
Optional Hardware and Software Model GFC7001E Carbon Dioxide Analyzer
Teledyne Analytical Instruments 77
5.9. CARBON DIOXIDE SENSOR (OPTION 67A)
5.9.1. CO2 SENSOR RANGES AND SPECIFICATIONS
67A
5.9.2. THEORY OF OPERATION
5.9.2.1. NDIR measurement of CO2
5.9.2.2. Operation within the GFC 7001E/EM Analyzer
5.9.2.3. Pneumatic Operation of the CO2 Sensor
5.9.2.4. Electronic Operation of the CO2 Sensor
5.10. CONCENTRATION ALARM RELAY (OPTION 61)
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5.11. SPECIAL FEATURES
5.11.1. DILUTION RATIO OPTION
5.11.2. MAINTENANCE MODE SWITCH
5.11.3. SECOND LANGUAGE SWITCH
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6. BASIC OPERATION
6.1. OVERVIEW OF OPERATING MODES
MODE EXPLANATION
6.2. SAMPLE MODE
Table 6-2: Test Functions Defined
6.3. WARNING MESSAGES
6.4. CALIBRATION MODE
6.5. SETUP MODE
6.5.1. SETUP CFG: CONFIGURATION INFORMATION
6.5.2. SETUP ACAL: AUTOMATIC CALIBRATION
6.5.3. SETUP PASS: PASSWORD FEATURE
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6.6. SETUP RNGE: ANALOG OUTPUT REPORTING RANGE CONFIGURATION
6.6.1. PHYSICAL RANGE VERSUS ANALOG OUTPUT REPORTING RANGES
6.6.2. ANALOG OUTPUT RANGES FOR CO CONCENTRATION
A
NALOG OUT
6.6.3. REPORTING RANGE MODES
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6.6.3.2. RNGE MODE DUAL: Configuring the GFC 7001E/EM Analyzer for DUAL Range Mode
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6.6.3.3. RNGE MODE AUTO: Configuring the GFC 7001E/EM Analyzer for AUTO Range Mode
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6.6.4. SETUP RNGE UNIT: SETTING THE REPORTING RANGE UNITS OF MEASURE
6.6.5. SETUP RNGE DIL: USING THE OPTIONAL DILUTION RATIO FEATURE
7. ADVANCED FEATURES
7.1. SETUP IDAS: USING THE DATA ACQUISITION SYSTEM (IDAS)
On
Blinking
Off
7.1.2. IDAS STRUCTURE
7.1.2.1. iDAS Channels
7.1.3. DEFAULT IDAS CHANNELS
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7.1.4. SETUP DAS VIEW: VIEWING IDAS CHANNELS AND INDIVIDUAL RECORDS
iDAS data and settings can be viewed on the front panel through the following keystroke sequence.
7.1.5. SETUP DAS EDIT: ACCESSING THE IDAS EDIT MODE
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7.1.5.2. Editing iDAS Triggering Events
7.1.5.3. Editing iDAS Parameters
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7.1.5.5. Report Periods in Progress When Instrument Is Powered Off
7.1.5.6. Editing the Number of Records
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7.1.5.9. The Compact Report Feature
7.1.5.10. The Starting Date Feature
7.1.6. DISABLING/ENABLING DATA CHANNELS
7.1.7. REMOTE IDAS CONFIGURATION
7.1.7.2. iDAS Configuration Using Terminal Emulation Programs
Advanced Features Model GFC7001E Carbon Dioxide Analyzer
Teledyne Analytical Instruments 125
7.2. SETUP MORE VARS: INTERNAL VARIABLES (VARS)
4
3
2
1
To access and navigate the VARS menu, use the following key sequence.
In all cases: discards the new setting. accepts the new setting.
7.3. SETUP MORE DIAG: USING THE DIAGNOSTICS FUNCTIONS
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Advanced Features Model GFC7001E Carbon Dioxide Analyzer
Teledyne Analytical Instruments 129
7.4. USING THE GFC 7001E/EM ANALYZERS ANALOG OUTPUTS.
7.4.1. ACCESSING THE ANALOG OUTPUT SIGNAL CONFIGURATION SUBMENU
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7.4.2. ANALOG OUTPUT VOLTAGE / CURRENT RANGE SELECTION
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7.4.3. CALIBRATION OF THE ANALOG OUTPUTS
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7.4.3.4. Manual Calibration of the Analog Outputs Configured for Voltage Ranges
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7.4.3.5. Manual Adjustment of Current Loop Output Span and Offset
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7.4.4. TURNING AN ANALOG OUTPUT OVER-RANGE FEATURE ON/OFF
7.4.5. ADDING A RECORDER OFFSET TO AN ANALOG OUTPUT
7.4.6. SELECTING A TEST CHANNEL FUNCTION FOR OUTPUT A4
*
To activate the TEST Channel and select CO MEASURE a function, press:
setting. accepts the new setting.
7.4.7. AIN CALIBRATION
7.5. SETUP MORE ALRM: USING THE GAS CONCENTRATION ALARMS
ALARM STATUS LIMIT SET POINT
7.5.1. SETTING THE GFC 7001E CONCENTRATION ALARM LIMITS
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8. REMOTE OPERATION
8.1. SETUP MORE COMM: USING THE ANALYSERS COMMUNICATION PORTS
8.1.1. RS-232 DTE AND DCE COMMUNICATION
8.1.2. COMM PORT DEFAULT SETTINGS
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8.1.4. COMM PORT COMMUNICATION MODES
Note Communication Modes for each COMM port must be configured independently.
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8.1.5. COMM PORT TESTING
8.1.6. MACHINE ID
8.1.7. TERMINAL OPERATING MODES
8.1.7.1. Help Commands in Terminal Mode
8.1.7.2. Command Syntax
8.1.7.3. Data Types
8.1.7.4. Status Reporting
8.1.7.5. COMM Port Password Security
8.2. MULTIDROP RS-232 SET UP
Remote Operation Model GFC7001E Carbon Dioxide Analyzer
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CALIBRATOR CALIBRATOR TAPI Analyzer
Last INSTRUMENT
8.3. RS-485 CONFIGURATION OF COM2
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8.4. REMOTE ACCESS VIA THE ETHERNET
8.4.1. ETHERNET CARD COM2 COMMUNICATION MODES AND BAUD RATE
8.4.2. CONFIGURING THE ETHERNET INTERFACE OPTION USING DHCP
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8.4.3. MANUALLY CONFIGURING THE NETWORK IP ADDRESSES
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8.4.4. CHANGING THE ANALYZERS HOSTNAME
8.5. MODBUS SETUP
Minimum Requirements
Actions
8.5.1. REMOTE ACCESS BY MODEM
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8.6. USING THE GFC 7001E/EM WITH A HESSEN PROTOCOL NETWORK
8.6.1. GENERAL OVERVIEW OF HESSEN PROTOCOL
8.6.2. HESSEN COMM PORT CONFIGURATION
8.6.3. ACTIVATING HESSEN PROTOCOL
8.6.4. SELECTING A HESSEN PROTOCOL TYPE
8.6.5. SETTING THE HESSEN PROTOCOL RESPONSE MODE
Remote Operation Model GFC7001E Carbon Dioxide Analyzer
8.6.6. HESSEN PROTOCOL GAS LIST ENTRIES
8.6.6.1. Gas List Entry Format and Definitions
[GAS TYPE],[RANGE],[GAS ID],[REPORTED]
CO, 0, 310, REPORTED CO2, 0, 311, REPORTED O2, 0, 312, REPORTED
CO, 2, 310, REPORTED
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8.6.7. SETTING HESSEN PROTOCOL STATUS FLAGS
OPERATIONAL FLAGS1
SPARE/UNUSED BITS UNASSIGNED FLAGS (0000)
8.6.8. INSTRUMENT ID CODE
8.7. APICOM REMOTE CONTROL PROGRAM
9. CALIBRATION PROCEDURES
9.1. BEFORE CALIBRATION
9.1.1. REQUIRED EQUIPMENT, SUPPLIES, AND EXPENDABLES
9.1.2. CALIBRATION GASES
9.1.2.1. Zero Air
9.1.2.2. Span Gas
9.1.3. DATA RECORDING DEVICES
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9.2.2. PERFORMING A BASIC MANUAL CALIBRATION CHECK
9.2.3. PERFORMING A BASIC MANUAL CALIBRATION
9.2.3.1. Setting the Expected Span Gas Concentration
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9.3. MANUAL CALIBRATION WITH ZERO/SPAN VALVES
9.3.1. SETUP FOR CALIBRATION USING VALVE OPTIONS
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9.3.3. MANUAL CALIBRATION USING VALVE OPTIONS
9.3.3.1. Setting the Expected Span Gas Concentration
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9.3.3.3. Use of Zero/Span Valve with Remote Contact Closure
9.4. AUTOMATIC ZERO/SPAN CAL/CHECK (AUTOCAL)
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9.4.1. SETUP ACAL: PROGRAMMING AND AUTO CAL SEQUENCE
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9.4.1.1. AutoCal with Auto or Dual Reporting Ranges Modes Selected
9.5. CO CALIBRATION QUALITY
9.6. CALIBRATION OF THE GFC 7001E/EMS ELECTRONIC SUBSYSTEMS
9.6.1. DARK CALIBRATION TEST
9.6.2. PRESSURE CALIBRATION
9.6.3. FLOW CALIBRATION
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9.7. CALIBRATION OF OPTIONAL SENSORS
9.7.1. O2 SENSOR CALIBRATION PROCEDURE
9.7.1.1. O2 Calibration Setup
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9.7.2. CO2 SENSOR CALIBRATION PROCEDURE
9.7.2.1. CO2 Calibration Setup
9.7.2.2. Set CO2 Span Gas Concentration:
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10. EPA CALIBRATION PROTOCOL
10.1. CALIBRATION REQUIREMENTS
10.1.1. CALIBRATION OF EQUIPMENT - GENERAL GUIDELINES
10.1.2. CALIBRATION EQUIPMENT, SUPPLIES, AND EXPENDABLES
10.1.2.1. Data Recording Device
10.1.2.2. Spare Parts and Expendable Supplies
10.1.3. RECOMMENDED STANDARDS FOR ESTABLISHING TRACEABILITY
10.1.4. CALIBRATION FREQUENCY
10.1.5. LEVEL 1 CALIBRATIONS VERSUS LEVEL 2 CHECKS
10.2. ZERO AND SPAN CHECKS
10.2.1. ZERO/SPAN CHECK PROCEDURES
10.2.2. PRECISION CHECK
10.3. PRECISIONS CALIBRATION
10.3.1. PRECISION CALIBRATION PROCEDURES
10.4. AUDITING PROCEDURE
10.4.1. CALIBRATION AUDIT
10.4.2. DATA REDUCTION AUDIT
10.4.3. SYSTEM AUDIT/VALIDATION
10.5. DYNAMIC MULTIPOINT CALIBRATION PROCEDURE
10.5.1. LINEARITY TEST
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10.6. REFERENCES
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11. THEORY OF OPERATION
11.1. MEASUREMENT METHOD
11.1.1. BEERS LAW
I = Io e-Lc
I I L C
11.2. MEASUREMENT FUNDAMENTALS
11.2.1. GAS FILTER CORRELATION
11.2.1.1. The GFC Wheel
11.2.1.2. The Measure Reference Ratio
11.2.1.3. Summary Interference Rejection
11.3. PNEUMATIC OPERATION
11.4. FLOW RATE CONTROL
11.4.1.1. Critical Flow Orifice
11.4.2. PARTICULATE FILTER
11.4.3. PNEUMATIC SENSORS
11.4.3.1. Sample Pressure Sensor
11.4.3.2. Sample Flow Sensor
11.5. ELECTRONIC OPERATION
11.5.1. OVERVIEW
PC 104 CPU Card
PC 104 Bus
MOTHER BOARD
Sensor Status & Control Optical Bench
RELAY BOARD
SYNC DEMOD
11.5.2. CENTRAL PROCESSING UNIT (CPU)
11.5.3. OPTICAL BENCH & GFC WHEEL
11.5.3.1. Temperature Control
11.5.3.2. IR Source
11.5.3.3. GFC Wheel
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11.5.3.4. IR Photo-Detector
11.5.4. SYNCHRONOUS DEMODULATOR (SYNC/DEMOD) ASSEMBLY
11.5.4.1. Overview
Sample & Hold Circuits (x4)
CO Reference
11.5.4.2. Signal Synchronization and Demodulation
11.5.4.3. Sync/Demod Status LEDs
11.5.4.4. Photo-Detector Temperature Control
11.5.4.5. Dark Calibration Switch
11.5.4.6. Electric Test Switch
11.5.5. RELAY BOARD
11.5.5.1. Heater Control
11.5.5.2. GFC Wheel Motor Control:
11.5.5.3. Zero/Span Valve Options
11.5.5.4. IR Source
RELAY PCA PN 04135
11.5.5.6. I2C Watch Dog Circuitry
11.5.6. MOTHERBOARD
11.5.6.1. A to D Conversion
11.5.6.2. Sensor Inputs
11.5.6.3. Thermistor Interface
11.5.6.4. Analog Outputs
11.5.6.5. Internal Digital I/O
11.5.6.6. External Digital I/O
11.5.7. I2C DATA BUS
11.5.8. POWER SUPPLY/ CIRCUIT BREAKER
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11.5.9. COMMUNICATION INTERFACE
A4
FRONT PANEL DISPLAY
Mother Board
11.5.10. FRONT PANEL INTERFACE
11.5.10.1. Analyzer Status LEDs
11.5.10.2. Keyboard
11.5.10.3. Display
11.5.10.4. Keyboard/Display Interface Electronics
Keypad Decoder
2 x 40 CHAR. VACUUM FLUORESCENT DISPLAY
I2C Interface
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11.5.11. SOFTWARE OPERATION
11.5.12. ADAPTIVE FILTER
11.5.13. CALIBRATION - SLOPE AND OFFSET
11.5.14. MEASUREMENT ALGORITHM
11.5.15. TEMPERATURE AND PRESSURE COMPENSATION
11.5.16. INTERNAL DATA ACQUISITION SYSTEM (IDAS)
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12. MAINTENANCE SCHEDULE & PROCEDURES
12.1. MAINTENANCE SCHEDULE
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ITEM ACTION FREQ
CAL CHECK REQD
MANUAL
DATE PERFORMED
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12.2. PREDICTING FAILURES USING THE TEST FUNCTIONS
12.3. MAINTENANCE PROCEDURES
12.3.1. REPLACING THE SAMPLE PARTICULATE FILTER
12.3.2. REBUILDING THE SAMPLE PUMP
12.3.3. PERFORMING LEAK CHECKS
12.3.3.1. Vacuum Leak Check and Pump Check
12.3.3.2. Pressure Leak Check
12.3.4. PERFORMING A SAMPLE FLOW CHECK
12.3.5. CLEANING THE OPTICAL BENCH
12.3.6. CLEANING EXTERIOR SURFACES OF THE GFC 7001E/EM
Troubleshooting & Repair Model GFC7001E Carbon Dioxide Analyzer
13. TROUBLESHOOTING & REPAIR
NOTE QUALIFIED PERSONNEL
CAUTION G
13.1. GENERAL TROUBLESHOOTING
13.1.1. FAULT DIAGNOSIS WITH WARNING MESSAGES
Table 13-1: Warning Messages - Indicated Failures
13.1.2. FAULT DIAGNOSIS WITH TEST FUNCTIONS
INDICATED FAILURE(S)
PRES SAMPLE FL SAMP TEMP
BENCH TEMP
WHEEL TEMP
BOX TEMP
Table 13-2: Test Functions - Indicated Failures (cont.)
OFFSET
SLOPE
PHT DRIVE
13.1.3. DIAG SIGNAL I/O: USING THE DIAGNOSTIC SIGNAL I/O FUNCTION
13.1.4. INTERNAL ELECTRONIC STATUS LEDS
13.1.4.1. CPU Status Indicator
Motherboard P/N 04069
13.1.4.2. Sync Demodulator Status LEDs
D2 Segment Sensor Status
JP4 Connector to Opto-Pickup Board
13.1.4.3. Relay Board Status LEDs
STATUS LEDs DC VOLTAGE TEST POINTS
RELAY PCA PN 04135
Table 13-5: Relay Board Status LED Failure Indications
13.2. GAS FLOW PROBLEMS
13.2.1. GFC 7001E/EM INTERNAL GAS FLOW DIAGRAMS
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13.2.2. TYPICAL SAMPLE GAS FLOW PROBLEMS
13.2.2.1. Flow is Zero
13.2.2.2. Low Flow
13.2.2.3. High Flow
13.2.2.4. Displayed Flow = Warnings
13.3. CALIBRATION PROBLEMS
13.3.1. MISCALIBRATED
13.3.2. NON-REPEATABLE ZERO AND SPAN
13.3.3. INABILITY TO SPAN NO SPAN KEY
13.3.4. INABILITY TO ZERO NO ZERO KEY
Troubleshooting & Repair Model GFC7001E Carbon Dioxide Analyzer
13.4. OTHER PERFORMANCE PROBLEMS
13.4.1. TEMPERATURE PROBLEMS
13.4.1.1. Box or Sample Temperature
13.4.1.2. Bench Temperature
CAUTION ELECTRICAL SHOCK HAZARD
Troubleshooting & Repair Model GFC7001E Carbon Dioxide Analyzer
13.4.1.3. GFC Wheel Temperature
CAUTION ELECTRICAL SHOCK HAZARD
13.4.1.4. IR Photo-Detector TEC Temperature
13.4.2. EXCESSIVE NOISE
13.5. SUBSYSTEM CHECKOUT
13.5.1. AC MAINS CONFIGURATION
13.5.2. DC POWER SUPPLY
13.5.3. I2C BUS
13.5.4. KEYBOARD/DISPLAY INTERFACE
13.5.5. RELAY BOARD
13.5.6. SENSOR ASSEMBLY
13.5.6.1. Sync/Demodulator Assembly
13.5.6.2. Electrical Test
13.5.6.3. Opto Pickup Assembly
13.5.6.4. GFC Wheel Drive
13.5.6.5. IR Source
13.5.6.6. Pressure/Flow Sensor Assembly
13.5.7. MOTHERBOARD
13.5.7.1. A/D Functions
13.5.7.2. Test Channel / Analog Outputs Voltage
13.5.7.3. Analog Outputs: Current Loop
13.5.7.4. Status Outputs
13.5.7.5. Control Inputs Remote Zero, Span
13.5.8. CPU
13.5.9. RS-232 COMMUNICATIONS
13.5.9.1. General RS-232 Troubleshooting
13.5.9.2. Troubleshooting Analyzer/Modem or Terminal Operation
13.5.10. THE OPTIONAL CO2 SENSOR
13.6. REPAIR PROCEDURES
13.6.1. REPAIRING SAMPLE FLOW CONTROL ASSEMBLY
13.6.2. REMOVING/REPLACING THE GFC WHEEL
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13.6.3. CHECKING AND ADJUSTING THE SYNC/DEMODULATOR, CIRCUIT GAIN (CO MEAS)
13.6.3.1. Checking the Sync/Demodulator Circuit Gain
13.6.3.2. Adjusting the Sync/Demodulator, Circuit Gain
Sync/Demod PCA Housing
Housing Mounting Screws
V
R1 Adjustment Made He re
Troubleshooting & Repair Model GFC7001E Carbon Dioxide Analyzer
13.6.4. DISK-ON-MODULE REPLACEMENT PROCEDURE
13.7. TECHNICAL ASSISTANCE
TELEDYNE ELECTRONIC TECHNOLOGIES
14. A PRIMER ON ELECTRO-STATIC DISCHARGE
14.1. HOW STATIC CHARGES ARE CREATED
14.2. HOW ELECTRO-STATIC CHARGES CAUSE DAMAGE
14.3. COMMON MYTHS ABOUT ESD DAMAGE
14.4. BASIC PRINCIPLES OF STATIC CONTROL
14.4.1. GENERAL RULES
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14.4.2. BASIC ANTI-ESD PROCEDURES FOR ANALYZER REPAIR AND MAINTENANCE
14.4.2.1. Working at the Instrument Rack
14.4.2.2. Working at an Anti-ESD Work Bench
14.4.2.3. Transferring Components from Rack to Bench and Back
14.4.2.4. Opening Shipments from Teledyne Customer Service
14.4.2.5. Packing Components for Return to Teledynes Customer Service
CAUTION
ESD Hazard
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