Model GFC 7000TA Carbon Dioxide Analyzer
Model GFC7000TA Carbon Dioxide Analyzer
Copyright 2013 Teledyne Analytical Instruments
This page intentionally left blank
Page
Safety Messages
Safety Messages Model GFC7000TA Carbon Dioxide Analyzer
Consignes DE Sécurité
Mise EN Garde
Teledyne Analytical Instruments Vii
Page
07272 05233 06879
Manual Information Model GFC7000TA Carbon Dioxide Analyzer
Rev
Name/Description
This page intentionally left blank
Table of Contents
Setup Mode
Calibration Procedures
Theory of Operation
Maintenance Schedule & Procedures
Troubleshooting & Repair Procedures
Appendix D Electronic Schematics
Primer on ELECTRO-STATIC Discharge
114
103
104
115
198
194
195
199
123
118
120
124
Teledyne Analytical Instruments Xviii
Table of Contents
Features
Using This Manual
Specifications
Instrument Maintenance
FAQ
Calibration Procedures
Troubleshooting
Introduction Model GFC7000TA Carbon Dioxide Analyzer
Page
Model GFC 7000TA Basic Unit Specifications
Specifications
Specifications Model GFC7000TA Carbon Dioxide Analyzer
GFC 7000TA Parameter GFC 7000TA Specification
Specifications Model GFC7000TA Carbon Dioxide Analyzer
CE Mark Compliance
GFC 7000TM Parameter GFC 7000TM Specification
Safety Compliance
Emissions Compliance
Page
Unpacking and Initial Set Up
Getting Started Model GFC7000TA Carbon Dioxide Analyzer
Sides of the instrument
Area Minimum Required Clearance
Front Panel
Front Panel Layout
Getting Started Model GFC7000TA Carbon Dioxide Analyzer
Display and Touchscreen Control Description
Description/Function Field
Display/Touch Control Screen Mapped to Menu Charts
Rear Panel
Provides a description of each component on the rear panel
Purge Sample Exhaust Vent Span Pressure Span IZS RX TX COM
Component Cooling fan AC power connector Model/specs label
DCE DTE Status Analog OUT Control Alarm Ethernet USB
RS-232
Internal Layout
Internal Chassis Layout
Optical Bench Layout
Electrical Connections
GFC 7000TA Internal Gas Flow
Power Connection
Connecting Analog Inputs Option
PIN Description DAS Parameter
Connecting Analog Outputs
Analog Input Pin Assignments
Analog input #
GFC 7000TA Analog Output Pin Outs
PIN Analog Output VDC Signal
Madc Signal
Status Output Pin-outs
Connecting the Status Outputs
3 4 5 6 7 8 D
Input # Status On Condition Definition
Connecting the Control Inputs
Control Input Pin-outs
Connecting to a Personal Computer PC
Connecting the Communications Interfaces
Connecting to a LAN or the Internet
Connecting to a Multidrop Network
Basic Pneumatic Connections
Rear Panel Pneumatic Connections
Getting Started Model GFC7000TA Carbon Dioxide Analyzer
Getting Started Model GFC7000TA Carbon Dioxide Analyzer
Getting Started Model GFC7000TA Carbon Dioxide Analyzer
Connections with Internal Valve Options Installed
Vent
Setting the Internal Purge Air Pressure
15 Example of Pneumatic Set up for Multipoint Calibration
Initial Operation
Startup
Name Color Behavior Significance
Warm Up
Front Panel Display During System Warm-Up
IR source may be faulty
Possible Warning Messages at Start-Up
Setup
Functional Check
Initial Calibration Procedure
Set the Analog Output Range
Set the expected CO2 span gas concentration
Conc
Perform the Zero/Span Calibration Procedure
STABIL=XXX.X PPM
1.2. O2 Calibration Method
Initial O2 Sensor Calibration Procedure
1.1. O2 Calibration Setup
Pneumatic connections for calibrating are as follows
Activate O2 Sensor Stability Function
Previous display
To Sample
O2 Zero/Span Calibration perform by pressing
Model GFC 7000TA Analyzer is now ready for operation
Thank YOU
Frequently Asked Questions
FAQ’s
Glossary
Term Description/Definition
Hydrogen sulfide Nitric oxide
Diagnostics, the diagnostic settings of the analyzer
Nitric acid
Nitrogen dioxide
Gas Filter Correlation
Poly Vinyl Chloride, a polymer used for downstream tubing
Variables, the variable settings of the instrument
Protocol for Ethernet devices
Tthis page intentionally left blank
Option Number Description
Rack Mount Kits Options 20A, 20B, 21
Current Loop Analog Outputs Option
Current Loop Option Installed on the Motherboard
OPT 42D
Expendable Kits Options 42C, 42D
Option Number Description OPT 42C
Ambient Zero/Pressurized Span Valve Operating States
Calibration Valves Options
Ambient Zero/Pressurized Span Valve
Ambient Zero/Ambient Span Valve
Ambient Zero/Ambient Span Valve Operating States
Internal Pneumatic Flow Ambient Zero/Ambient Span
Communications Cables
FAQModel GFC7000TA Carbon Dioxide Analyzer
Communication Options
RS-232 Multidrop Option
Paramagnetic measurement of O2
Oxygen Sensor OPT
Theory of Operation
Operation within the GFC 7000TA Analyzer
Pneumatic Operation of the O2 Sensor
GFC 7000TA Internal Pneumatics with O2 Sensor Option
Second Language Switch
Special Features
Maintenance Mode Switch
Dilution Ratio Option
This page intentionally left blank
Overview of Operating modes
Front Panel Display
Meaning
Sample Mode
Analyzer Operating modes
Parameter Display Units Meaning
Test Functions
Test Functions Defined
Definitions
Refer to
For
These test
List of Warning Messages
Calibration Mode
To view and clear warning messages
Primary Setup Mode Features and Functions
Secondary Setup Mode Features and Functions
Setup CFG Viewing the Analyzer’s Configuration Information
Setup Acal Automatic Calibration
LED State
Setup DAS Using the Data Acquisition System DAS
Front Panel Sample LED Status Indicators for DAS
OFF
DAS Data Channel Properties
DAS Structure
DAS Channels
DAS Data Parameter Functions
Default DAS Channels
Default DAS Channels Setup
DAS Configuration Limits
Touchscreen Button Functions
Conc ATIMER, 4
Translates to the following configuration Channel No
Trigger Events
A-Z, space ’ ~ ! # $ % & * = + \ , . / ?
From the Data Acquisition menu
To configure a specific data parameter, press
From the Edit Data Parameter Menu see previous section
Report Periods in Progress When Instrument is Powered OFF
From the Data Acquisition menu
Press SET key until…
Compact Report
Starting Date
From the Data Acquisition menu
Press SET key until…
Remote DAS Configuration
Apicom User Interface for DAS Configuration
Setup Rnge Analog Output Reporting Range Configuration
Analog Output Connector Pin Out
Physical Range versus Analog Output Reporting Ranges
Reporting Range Modes
To select the Analog Output Range Type press
Sngl Dual Auto
Single Range Mode Sngl
Dual Range Mode Dual
Range Control Menu
Auto Range Mode Auto
Exit returns To the main menu
Range Units
To change the concentration units
Primary Setup Menu
Dilution Ratio
Password Level Menu Access Allowed
Setup Pass Password Feature
Password Levels
Enter Setup Pass
Setup CLK Setting the Internal Time-of-Day Clock
Teledyne Analytical Instruments 100
Setup MORE Comm Using the Analyzer’s Communication Ports
Analyzer ID
COM Port Default Settings
Teledyne Analytical Instruments 103
Teledyne Analytical Instruments 104
RS-485 Configuration of COM2
DTE and DCE Communication
MODE1 Description
COM Port Communication Modes
10 Com Port Communication Modes
Teledyne Analytical Instruments 107
11 Ethernet Status Indicators
Remote Access via the Ethernet
Configuring the Ethernet Interface using Dhcp
IP Address
Property Default State Description Dhcp
Instrument
Gateway IP
To view the above properties, press
Teledyne Analytical Instruments 111
Teledyne Analytical Instruments 112
13 Internet Configuration Touchscreen Functions
Button Function
Multidrop RS-232 Set Up
Multidrop/LVDS PCA Seated on CPU
Teledyne Analytical Instruments 115
COM Port Baud Rate
To select the baud rate of one of the COM Ports, press
COM Port Testing
Setup More Vars Internal Variables Vars
Teledyne Analytical Instruments 119
Diagnostic Function and Meaning
Setup More Diag Using the Diagnostics Functions
15 GFC 7000TA Diagnostic Diag Functions
To access the Diag functions press the following buttons
Accessing the Diagnostic Features
Signal I/O
To enter the signal I/O test mode, press
Analog Output Step Test
16 Diag Analog I/O Functions
Analog I/O Configuration
To begin the Analog Output Step Test press
Sub Menu Function
17 Analog Output Voltage Ranges
Range Minimum Output Maximum Output
19 Analog Output Pin Assignments
PIN Analog Voltage Current Output Signal
18 Analog Output Current Loop Range
Analog Output Calibration Mode
10V Curr Entr Exit
Teledyne Analytical Instruments 127
Teledyne Analytical Instruments 128
VDC
Manual Analog Output Calibration and Voltage Adjustment
20 Voltage Tolerances for Analog Output Calibration
Teledyne Analytical Instruments 130
Current Loop Output Adjustment
Edit
Teledyne Analytical Instruments 132
21 Current Loop Output Calibration with Resistor
SET
Configuring Analog Inputs Option Channels
Teledyne Analytical Instruments 135
Electric Test
Repeat Pressing Next unti
Dark Calibration Test
Repeat Pressing Next until
Pressure Calibration
Repeat Pressing Next until
Signal I / O Next
Flow Calibration
Test Channel Zero Full Scale
Test Channel Output
22 Test Parameters Available for Analog Output A4
Alarm Status Limit SET Point ALM1
Setup MORE Alrm Using the Gas Concentration Alarms
23 CO2 Concentration Alarm Default Settings
Remote Operation of the Analyzer
Setting the Concentration Alarm Limits
Remote Operation Using the External Digital I/O
Status Outputs
Status
24 Status Output Pin Assignments
DC Power
Pin assignments for the Status Outputs are
Emitter BUS
CAL
Input Status Condition When Enabled External Zero
25 Control Input Pin Assignments
External Span
26 Terminal Mode Software Commands
Remote Operation Using the External Serial I/O
Help Commands in Terminal Mode
Terminal Operating Modes
Data Types
27 Command Types
Command Command Type
Achieved by pressing the Enter button on a computer
Status Reporting
Measurements, DAS reports, variable values, etc
Teledyne Analytical Instruments 149
Teledyne Analytical Instruments 150
COM Port Password Security
To initialize the modem press
Apicom Remote Control Program
Where N is any numeral between 0
General Overview of Hessen Protocol
Using the GFC 7000TA with a Hessen Protocol Network
Additional Communications Documentation
28 Serial Interface Documents
29 RS-232 Communication Parameters for Hessen Protocol
Selecting a Hessen Protocol Type
To select a Hessen Protocol Type press
30 Teledyne Instruments Hessen Protocol Response Modes
Setting The Hessen Protocol Response Mode
Mode ID Mode Description CMD
BCC
Hessen Protocol Gas ID
To Select a Hessen response mode, press
31 Default Hessen Status Bit Assignments
Status Flag Name Default BIT Assignment
To assign or reset the status flag bit assignments, press
Instrument ID Code
Page
Before Calibration
Zero Air and Span Gas
Data Recording Devices
Manual Calibration without Zero/Span Valves
Calibration Gas Traceability
Step TWO Set the expected CO2 Span Gas concentration
Step Three Perform the Zero/Span Calibration Procedure
Span
Manual Calibration Checks
TST TST CAL
Manual Calibration with Zero/Span Valves
Pneumatic Connections Ambient Zero/Pressurized Span Valves
Sample GAS
Pneumatic Connections Ambient Zero/Ambient Span Valves
Sample GAS
Teledyne Analytical Instruments 169
Teledyne Analytical Instruments 170
Manual Calibration Checks with Zero/Span Valves
Analyzer Enters Zero CAL Mode
Zero/Span Calibration on Auto Range or Dual Ranges
Use of Zero/Span Valves with Remote Contact Closure
AutoCal Attribute Setup Parameters
Automatic Zero/Span Cal/Check AutoCal
Autocal Modes
Mode and Attribute Value Comment
To program the Sequence
Next
Calibration Data Quality Evaluation
Calibration Quality
AutoCal with Auto or Dual Reporting Ranges Modes Selected
Function Minimum Value Optimum Value Maximum Value Slope
Teledyne Analytical Instruments 177
Page
Maintenance Schedule & Procedures
Maintenance Schedule
Page
Action
Maintenance Model GFC7000TA Carbon Dioxide Analyzer
GFC 7000TA Maintenance Schedule
Freq
MR Ratio
Stability
CO2 Meas
Pres
Predicting Failures Using the Test Functions
Predictive uses for Test Functions
Maintenance Procedures
Replacing the Sample Particulate Filter
Vacuum Leak Check and Pump Check
Rebuilding the Sample Pump
Performing Leak Checks
Pressure Leak Check
Performing a Sample Flow Check
Cleaning the Optical Bench
Cleaning Exterior Surfaces of the GFC 7000TA
Measurement Fundamentals
Measurement Method
Beer’s Law
Theory of Operation Model GFC7000TA Carbon Dioxide Analyzer
Gas Filter Correlation
GFC Wheel
Measure Reference Ratio
Measurement Fundamentals with GFC Wheel
Interference and Signal to Noise Rejection
Is reduced
Is Shifted
Effects of Interfering Gas on CO2 Meas & CO2 REF
Teledyne Analytical Instruments 192
Pneumatic Operation
Critical Flow Orifice
Sample Gas Flow
Flow Rate Control
Teledyne Analytical Instruments 195
Pneumatic Sensors
Purge Gas Pressure Control
Particulate Filter
Sample Pressure Sensor
Electronic Operation
Overview
Sync
CPU Card
Sensor
Demod
Flash Chip
CPU
Disk-On-Module DOM
IR Source
Temperature Control
Optical Bench & GFC Wheel
11 GFC Light Mask Sensor
Segment Sensor
Overview
Synchronous Demodulator Sync/Demod Assembly
IR Photo-Detector
Signal Synchronization and Demodulation
13 GFC 7000TA Sync / Demod Block Diagram
Four sample and hold circuits are
LED Function Status OK Fault Status
Sync/Demod Status LED’s
Sync/Demod Status LED Activity
Relay Board
Dark Calibration Switch
Electric Test Switch
Heater Control
Relay Board Status LED’s
LED Color Function Status When LIT Status When Unlit
Status LEDs
To D Conversion
Mother Board
5.6. I2C Watch Dog Circuitry
Sensor Inputs
Thermistor Interface
Analog Outputs
Internal Digital I/O
Status Outputs
Power up Circuit
7. I2C Data Bus
Control Inputs
Power Supply/ Circuit Breaker
16 Power Distribution Block Diagram
Front Panel Touchscreen/Display Interface PCA
Front Panel Touchscreen/Display Interface
Lvds Transmitter Board
Windows CE
Software Operation
Adaptive Filter
API Firmware
Calibration Slope and Offset
Measurement Algorithm
Temperature and Pressure Compensation
Internal Data Acquisition System DAS
Teledyne Analytical Instruments 216
General Troubleshooting Hints
Troubleshooting Model GFC7000TA Carbon Dioxide Analyzer
Interpreting Warning Messages
To view or clear the various warning messages press
Viewing and Clearing Warning Messages
Conc ALRM1
Conc ALRM2
System Reset
Fault Diagnosis with Test Functions
Fault Condition Possible Causes Message Sample Temp
Source
Test Functions Indicated Failures
Indicated Failures
Using the Diagnostic Signal I/O Function
Test Functions Slope Offset
CPU Status Indicator
Internal Electronic Status LEDs
Sync/Demod Board Status Failure Indications
LED Function Fault Status Indicated Failures
Sync Demodulator Status LED’s
I2C Status LED Failure Indications
LED Function Fault Status Indicated Failures
Relay Board Status LEDs
DC Voltage Test
Relay Board Status LED Failure Indications
Gas Flow Problems
GFC 7000TA Internal Gas Flow Diagrams
Sample Chamber
Teledyne Analytical Instruments 230
Teledyne Analytical Instruments 231
Typical Sample Gas Flow Problems
Flow is Zero
Displayed Flow =
Low Flow
High Flow
Sample Pump
Poor or Stopped Flow of Purge Gas
Actual Flow Does Not Match Displayed Flow
Calibration Problems
Miscalibrated
Non-Repeatable Zero and Span
Inability to Span Touchscreen Span Button Not Visible
Inability to Zero Touchscreen Zero Button Not Visible
Box or Sample Temperature
Other Performance Problems
Temperature Problems
Bench Temperature
GFC Wheel Temperature
IR Photo-Detector TEC Temperature
Excessive Noise
DC Power Test Point and Wiring Color Codes
AC Mains Configuration
DC Power Supply
Name Test POINT# TP and Wire Color
Touchscreen Interface
DC Power Supply Acceptable Levels
10.5.3. I2C Bus
LCD Display Module
Relay Board Control Devices
Sensor Assembly
Sync/Demodulator Assembly
Function Control Socket Device
Opto Pickup Board Nominal Output Frequencies
Opto Pickup Assembly
GFC Wheel Drive
Nominal Measured Frequency
10.5.8.1. A/D Functions
Pressure/Flow Sensor Assembly
Motherboard
Teledyne Analytical Instruments 246
Step Nominal Output Voltage
Analog Outputs Current Loop
Full Scale Output Voltage
Output Range Nominal Output Values Step Current
Control Inputs Remote Zero, Span
12 Status Outputs Check
General RS-232 Troubleshooting
RS-232 Communications
Teledyne Analytical Instruments 250
Repair Procedures
Repairing Sample Flow Control Assembly
11 Opening the GFC Wheel Housing
Removing/Replacing the GFC Wheel
Disk-On-Module Replacement Procedure
12 Removing the GFC Wheel
Teledyne Analytical Instruments 254
Means of Generation
How Static Charges are Created
Static Generation Voltages for Typical Activities
Damage Susceptibility Voltage
How Electro-Static Charges Cause Damage
Sensitivity of Electronic Devices to Damage by ESD
Device Range
General Rules
Common Myths About ESD Damage
Basic Principles of Static Control
Teledyne Analytical Instruments 258
Working at the Instrument Rack
Working at an Anti-ESD Work Bench
Opening Shipments from Teledyne Instruments Customer Service
Transferring Components from Rack to Bench and Back
Teledyne Analytical Instruments 261
Teledyne Analytical Instruments 262